Technical Service Bulletins (TSBs) for the 1999 Silverado are official communications between Chevrolet & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

    STEERING

    • TSB #070232001

      Date Announced:
      MAR 01, 2007
      NHTSA ID:
      #10021450

      REDUCED STEERING EFFORT (DIAGNOSE/REPLACE STEERING WHEEL POSITION SENSOR). *KB Read More »

    • TSB #000235003

      Date Announced:
      FEB 01, 2007
      NHTSA ID:
      #10012089

      CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL. *EH UPDATED *EH UPDATED. *KB Read More »

    • TSB #000235003G

      Date Announced:
      APR 01, 2005
      NHTSA ID:
      #628884

      CONCERNS THAT CLUNK NOISE CAN BE HEARD COMING FROM UNDER THE HOOD ALSO FELT IN THE STEERING WHEEL. *TT UPDATED *EH GM ADMINISTRATIVE MESSAGE. *TT Read More »

    • TSB #000235003E

      Date Announced:
      AUG 01, 2004
      NHTSA ID:
      #10011223

      CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL. THIS BULLETIN REPLACES PREVIOUS BULLETIN 00-02-35-003E. *TT Read More »

    • TSB #000235003C

      Date Announced:
      APR 01, 2004
      NHTSA ID:
      #10004716

      CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN THE STEERING WHEEL. *TT Read More »

    • TSB #01634

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10007231

      INTERMEDIATE STEERING SHAFT SERVICE KIT. SERVICE VME. *TT Read More »

    • TSB #01634A

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10007276

      SUPPLEMENT TO 00-02-35-003D - CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN THE STEERING WHEEL. *TT Read More »

    • TSB #030236002

      Date Announced:
      AUG 01, 2003
      NHTSA ID:
      #10012577

      REVISED STEERING WHEEL POSITION SENSOR OR STEERING SHAFT LOWER BEARING REPLACEMENT PROCEDURE AND STEERING WHEEL POSITION SENSOR CENTERING PROCEDURE. *EH Read More »

    • TSB #000235003B

      Date Announced:
      JAN 01, 2003
      NHTSA ID:
      #10000950

      CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN THE STEERING WHEEL. *TT Read More »

    • TSB #201201

      Date Announced:
      DEC 20, 2001
      NHTSA ID:
      #629649

      SUBJECT REGARDING STEERING CLUNK NOISE. *TT Read More »

    • TSB #171201

      Date Announced:
      DEC 17, 2001
      NHTSA ID:
      #629629

      SUBJECT REGARDING STEERING SHAFT CLUNK CONDITION. *TT Read More »

    • TSB #210900

      Date Announced:
      SEP 21, 2000
      NHTSA ID:
      #619055

      SUBJECT REGARDING POWER STEERING SYSTEM NOISE THAT REQUIRES REPLACEMENT OF THE RACK AND PINION ASSEMBLY ON TWO-WHEEL DRIVE MODELS. *TT Read More »

    • TSB #98062

      Date Announced:
      OCT 01, 1998
      NHTSA ID:
      #602764

      VARIOUS INFORMATION ON STEERING GEAR TO FRAME BOLT TORQUE. *YC Read More »

    • TSB #98062

      Date Announced:
      OCT 01, 1998
      NHTSA ID:
      #615113

      PRODUCT RECALL CAMPAIGN TO TORQUE THE STEERING GEAR TO FRAME BOLTS TO THE PROPER SPECIFICATION. *TT Read More »

    STEERING:COLUMN

    • TSB #000235003N

      Date Announced:
      APR 01, 2008
      NHTSA ID:
      #10025148

      CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL AND/OR STEERING COLUMN (REPLACE UPPER INTERMEDIATE STEERING SHAFT [I-SHAFT] ASSEMBLY). *PE Read More »

    STEERING:HYDRAULIC POWER ASSIST SYSTEM

    • TSB #3386

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10013533

      LACK OF STEERING ASSIST OR SHUDDER DURING PARKING LOT TYPE MANEUVERS. *TT Read More »

    STEERING:LINKAGES:TIE ROD ASSEMBLY

    SUSPENSION

    • TSB #3009

      Date Announced:
      MAY 01, 2008
      NHTSA ID:
      #10021013

      SUSPENSION VIBRATION OR FRAME BEAMING AT 40 - 60 MPH. *KB UPDATED 8/25/08. *PE Read More »

    • TSB #030310001

      Date Announced:
      JAN 01, 2008
      NHTSA ID:
      #10000959

      TIRE SLOWLY GOES FLAT AND/OR EXCESSIVE WHEEL VIBRATION CAUSED BY BEAD SPLITS (REPLACE WHEELS WITH NEW HEAVY DUTY RIM VERSION) *TT *AR UPDATED 4/11/08. *NJ Read More »

    • TSB #030309002

      Date Announced:
      JUL 01, 2007
      NHTSA ID:
      #10005181

      REAR LEAF SPRING SLAP OR CLUNK NOISE (REPLACE SPRING INSERTS) *TT UPDATED 10/18/07. *NJ Read More »

    • TSB #030310006

      Date Announced:
      SEP 01, 2005
      NHTSA ID:
      #10005554

      REFERENCE GUIDE FOR THE TECHNICIAN TO UPGRADE A VEHICLE FROM FACTORY WHEELS AND TIRES TO 20 INCH WHEELS AND TIRES, WHICH ARE AVAILABLE THROUGH GMSPO. *TT Read More »

    • TSB #020307002

      Date Announced:
      MAR 01, 2005
      NHTSA ID:
      #10014945

      REVISED FRONT CASTER AND CAMBER ADJUSTMENT PROCEDURE. ORIGINAL NOT YET RECEIVED. *TT Read More »

    • TSB #040310002

      Date Announced:
      APR 01, 2004
      NHTSA ID:
      #10012626

      NEW FLEXIBLE SPARE TIRE HOIST TOOL AVAILABLE TO ASSIST IN LOWERING/REMOVING SPARE TIRE. *TT Read More »

    • TSB #01555

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10005395

      D HEIGHT SPECIFICATION MISSING FROM SI. SIT BULLETIN 1410632. *TT Read More »

    • TSB #270901

      Date Announced:
      SEP 27, 2001
      NHTSA ID:
      #626427

      SOME VEHICLES EQUIPPED WITH 4-WHEEL DRIVE EXTENDED CAB AND SHORT BED MAY EXPERIENCE A BUMP OR CLUNK ON STOP OR ACCELERATION. *SLC Read More »

    • TSB #000310008

      Date Announced:
      DEC 01, 2000
      NHTSA ID:
      #623044

      SOME CUSTOMERS MAY COMMENT THAT THEY ARE UNABLE TO LOWER THE SPARE TIRE. *TT Read More »

    • TSB #990309003

      Date Announced:
      OCT 01, 1999
      NHTSA ID:
      #6088678

      VEHICLES WITH 4L60-E AUTOMATIC TRANSMISSIONS MAY EXHIBIT VIBRATION DURING ACCELERATION FROM 0 - 40 KM/H (0-25 MPH). *TT Read More »

    • TSB #990309002

      Date Announced:
      AUG 01, 1999
      NHTSA ID:
      #607591

      EXPERIENCING A VIBRATION AND LATERAL SHAKE ON SMOOTH ROAD SURFACES. *TT Read More »

    • TSB #3009A

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10008845

      SUSPENSION VIBRATION OR FRAME BEAMING AT 40 -60 MPH. *MJ Read More »

    SUSPENSION:FRONT

    SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE

    • TSB #3340

      Date Announced:
      SEP 23, 2006
      NHTSA ID:
      #10020874

      LEFT FRONT AXLE SHAFT DIFFICULT TO REMOVE. AXLE DIFFERENTIAL LEAK SEAL SHAFT. *KB Read More »

    SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY

    • TSB #06-03-09-004H

      Date Announced:
      JUL 17, 2017
      NHTSA ID:
      #10108599

      This technical bulletin provides a procedure to lube the rear leaf springs on vehicles with the condition of a squeak noise originating from the rear of the vehicle. Read More »

    • TSB #030309002

      Date Announced:
      JUL 01, 2007
      NHTSA ID:
      #10005181

      REAR LEAF SPRING SLAP OR CLUNK NOISE (REPLACE SPRING INSERTS) *TT UPDATED 10/18/07. *NJ Read More »

    SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE

    BRAKES (PWS)

    • TSB #PIT3665C

      Date Announced:
      NOV 06, 2012
      NHTSA ID:
      #10112546

      This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn. Read More »

    SERVICE BRAKES, HYDRAULIC

    • TSB #PIT3665C

      Date Announced:
      NOV 06, 2012
      NHTSA ID:
      #10112546

      This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn. Read More »

    • TSB #040523005

      Date Announced:
      JUN 01, 2004
      NHTSA ID:
      #10012141

      AVAILABILITY OF REAR WHEEL MUD FLAPS TO REDUCE DEBRIS BUILD-UP ON REAR BRAKE CALIPERS AND/OR REAR WHEELS. *TT Read More »

    • TSB #02053

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10007739

      INFORMATION ON RESURFACING THE PARK BRAKE PORTION OF THE REAR BRAKE ROTOR. *TT Read More »

    • TSB #000523005B

      Date Announced:
      JUN 01, 2003
      NHTSA ID:
      #10002132

      RIGHT REAR INNER BRAKE PAD WEAR. VARIOUS MODLES INCLUDING THE 2004 SILVERADO AND SIERRA. *TT Read More »

    • TSB #020522004B

      Date Announced:
      OCT 01, 2002
      NHTSA ID:
      #10000171

      TRAILER BRAKES APPLIED WHEN HEADLIGHTS / PARK LAMPS ARE ON, BRAKE CONTROLLER ILLUMINATION. *TT Read More »

    • TSB #00093

      Date Announced:
      JAN 01, 2001
      NHTSA ID:
      #618102

      SUBJECT PERTAINING TO FRONT BRAKE PIPE CONTACT WITH BODY CROSS SILL. *JB Read More »

    • TSB #00093

      Date Announced:
      JAN 01, 2001
      NHTSA ID:
      #618104

      EXHIBITING FRONT BRAKE PIPE CONTACT WITH BODY CROSS SILL. *JB Read More »

    • TSB #865022

      Date Announced:
      OCT 01, 1998
      NHTSA ID:
      #602980

      COMMENTS OF A CLUNK OR A THUMP NOICE FROM REAR OF VEHICLE WHEN BRAKES ARE APPLIED. Read More »

    SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES

    • TSB #PIT3665E

      Date Announced:
      JAN 31, 2017
      NHTSA ID:
      #10113364

      This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn. Read More »

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS

    • TSB #180202

      Date Announced:
      FEB 18, 2002
      NHTSA ID:
      #629811

      CUSTOMERS MAY COMMENT ABOUT A BRAKE SQUEAK OR A NOISE, PARTICULARLY AFTER A COLD SOAK AND ON THE FIRST BRAKE APPLICATION. *TT Read More »

    • TSB #00024

      Date Announced:
      FEB 21, 2001
      NHTSA ID:
      #617530

      SUBJECT REGARDING CUSTOMER SATISFACTION CAMPAIGN - FRONT BRAKE HOSE ABRASION. *TT Read More »

    • TSB #00093

      Date Announced:
      JAN 12, 2001
      NHTSA ID:
      #618115

      SUBJECT REGARDING A CLEARANCE CONDITION BETWEEN THE FRONT RIGHT-HAND BRAKE PIPE AND THE BODY CROSS SILL. *JB Read More »

    • TSB #865024

      Date Announced:
      JAN 01, 1999
      NHTSA ID:
      #603985

      COMPLAINTS ABOUT A SQUEAL NOISE COMING FROM THE BRAKES. *TT Read More »

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

    • TSB #SB-13-05-22-001

      Date Announced:
      SEP 01, 2014
      NHTSA ID:
      #10054261

      CHEVROLET/GMC/CADILLAC: ANYTIME HYDRAULIC BRAKE PIPES ASSEMBLY NEED REPLACING, PRE-FORMED AND PRE-FLARED BRAKE PIPES ARE AVAILABLE, EXCEPT REAR AXLE CROSSOVER PIPE. Read More »

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

    • TSB #SB-13-05-22-001

      Date Announced:
      SEP 01, 2014
      NHTSA ID:
      #10054261

      CHEVROLET/GMC/CADILLAC: ANYTIME HYDRAULIC BRAKE PIPES ASSEMBLY NEED REPLACING, PRE-FORMED AND PRE-FLARED BRAKE PIPES ARE AVAILABLE, EXCEPT REAR AXLE CROSSOVER PIPE. Read More »

    SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

    • TSB #030525007

      Date Announced:
      MAY 01, 2009
      NHTSA ID:
      #10004310

      ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS (CLEAN WHEEL SPEED SENSOR MOUNTING SURFACE). *TT UPDATED 10/23/09. *PE Read More »

    • TSB #020525006

      Date Announced:
      JAN 01, 2006
      NHTSA ID:
      #10000062

      ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS. *TT Read More »

    • TSB #220101

      Date Announced:
      JAN 22, 2001
      NHTSA ID:
      #618187

      ON SOME VEHICLES, AFTER TURNING OFF THE VEHICLE, THE ABS MOTOR CONTINUES TO RUN. *TT Read More »

    SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

    • TSB #040525002B

      Date Announced:
      NOV 01, 2005
      NHTSA ID:
      #10008659

      ANTI-LOCK BRAKE SYSTEM (ABS) LIGHT ON, DIAGNOSTIC TROUBLE CODES (DTCS) C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE. *TT UPDATE. *TT Read More »

    SERVICE BRAKES, AIR

    • TSB #020526001B

      Date Announced:
      JAN 01, 2005
      NHTSA ID:
      #10006115

      REAR PARKING BRAKE SHOE RETAINING SPRING CLIP SERVICE KIT FOR DRUM-IN-HAT (DIH) EQUIPPED VEHICLES. *TT UPDATE. *TT Read More »

    SERVICE BRAKES, AIR:ANTILOCK

    • TSB #020525006A

      Date Announced:
      DEC 01, 2002
      NHTSA ID:
      #10000749

      ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS ON VARIOUS MODELS INCLUDING THE 1995 AND 1996 ENVOY. *TT Read More »

    SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR

    • TSB #05068

      Date Announced:
      SEP 01, 2005
      NHTSA ID:
      #10016715

      PRODUCT SAFETY RECALL REGARDING FRONT WHEEL SPEED SENSOR CORROSION. *TT Read More »

    • TSB #020525002

      Date Announced:
      JUN 01, 2002
      NHTSA ID:
      #634839

      SUBJECT REGARDING REVISED WHEEL SPEED SENSOR REPLACEMENT PROCEDURE. *TT Read More »

    • TSB #3455

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10017232

      SUPPLEMENT TO 04094 FRONT WHEEL SPEED SENSOR CORROSION. *TT Read More »

    SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT

    • TSB #040525002

      Date Announced:
      JUN 01, 2007
      NHTSA ID:
      #10022470

      ABS LIGHT ON, DTC'S C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE. (REGROUND EBCM GROUND). *KB Read More »

    PARKING BRAKE

    • TSB #010526001

      Date Announced:
      APR 01, 2005
      NHTSA ID:
      #619514

      LOW EFFORT PARKING BRAKE APPLY SYSTEM. *TT Read More »

    • TSB #020526001B

      Date Announced:
      JAN 01, 2005
      NHTSA ID:
      #10006115

      REAR PARKING BRAKE SHOE RETAINING SPRING CLIP SERVICE KIT FOR DRUM-IN-HAT (DIH) EQUIPPED VEHICLES. *TT UPDATE. *TT Read More »

    • TSB #020526002

      Date Announced:
      OCT 01, 2002
      NHTSA ID:
      #10000172

      SCRAPING NOISE FROM REAR OF VEHICLE. *TT Read More »

    • TSB #180900

      Date Announced:
      SEP 18, 2000
      NHTSA ID:
      #619041

      BRIEF INFORMATION CONCERNING PARKING BRAKE SHOE ADJUSTMENT. *TT Read More »

    ENGINE AND ENGINE COOLING

    • TSB #PIP-4138K

      Date Announced:
      JAN 01, 2011
      NHTSA ID:
      #10037933

      GM: THE SERVICE ENGINE SOON LIGHT IS ON, THERE IS ALSO A MISFIRE OR ENGINE NOISE. THERE ARE MULTIPLE POSSIBLE CAUSES. *RM Read More »

    • TSB #040604088

      Date Announced:
      MAR 01, 2005
      NHTSA ID:
      #10014959

      REPLACEMENT OF CONNECTOR WHEN REPLACING FUEL TANK MODULE/FUEL PUMP MODULE. *TT Read More »

    • TSB #040603002

      Date Announced:
      FEB 01, 2004
      NHTSA ID:
      #10012703

      DIAGNOSTIC INFORMATION FOR INTERMITTENT VEHICLE NO CRANK DEAD BATTERY. *EH Read More »

    • TSB #01225

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10007717

      ENGINE COOLANT LEAK AT INTAKE GASKET. * MJ Read More »

    • TSB #3147

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10009957

      CONCERNS REGARDING BULLETIN 00-02-35-003F. ALL FULL SIZE TRUCKS AND UTILITIES AND HUMMER PARTS AVAILABLE. *TC Read More »

    • TSB #3121

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10010056

      EXHAUST VIBRATION RESONANCE OR MOAN. (2004-2005 GMC DENALI) *SC Read More »

    • TSB #3107

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10010197

      P0420 AND P0430 DTSC IN THE DETROIT, MICHIGAN AREA WITH GEN III V-8 ENGINES. *SC Read More »

    • TSB #3232

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10011692

      MISFIRE AT IDLE COLD AND POSSIBLE P0171 AND OR P0174. *EH Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #02-06-04-037

      Date Announced:
      JAN 01, 2010
      NHTSA ID:
      #634786

      SOME CUSTOMERS WHOSE VEHICLES ARE OPERATED IN DUSTY TYPE ENVIRONMENTS, SUCH AS FARMING OR MINING OFF-ROAD TYPE APPLICATIONS, MAY COMMENT ABOUT THE ILLUMINATION OF THE INSTRUMENT PANEL SES LIGHT, WITH DIAGNOSTIC TROUBLE CODE P0446 SET. Read More »

    • TSB #030601024A

      Date Announced:
      MAR 01, 2004
      NHTSA ID:
      #10004301

      RATTLE NOISE IN ENGINE. *TT Read More »

    • TSB #00969A

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10005469

      ENGINE WHISTLE NOISE. *TT Read More »

    • TSB #01484

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10005499

      GEN III REPLACEMENT FLYWHEEL BOLT HOLES LARGER THAN ORIGINAL PART. THE BOLT HOLES FOR THE CRANK SHAFT IN THE REPLACEMENT FLYWHEEL ARE LARGER THAN THE HOLES IN THE ORIGINAL PART. SIT BULLETIN 1400596. Read More »

    • TSB #01119A

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10007576

      ROLL-OUT FOR THE GEN III SMALL BLOCK ENGINES WITH IRIDIUM SPARK PLUGS. ALSO INCLUDES 2003/2004 M/L VANS. *TT Read More »

    • TSB #3015

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10008781

      6.0L LQ4 VIN U ENGINE RESTRICTION. *TT Read More »

    • TSB #3038

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10009648

      ENGINE TICK, RATTLE OR KNOCK NOISE AFTER CYLINDER HEAD GASKET REPLACEMENT ON THE 6.0L ENGINE. *TT Read More »

    • TSB #3055

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10009666

      SERVICE ENGINE SOON LIGHT WITH A P0300 MISFIRE DUE TO MISFIRES MAINLY ON CYLINDER 7. *TT Read More »

    • TSB #00634A

      Date Announced:
      NOV 18, 2003
      NHTSA ID:
      #10004162

      GEN III ENGINE NOISE AFTER HOT SOAK RESTART. *TT Read More »

    • TSB #030604060

      Date Announced:
      OCT 01, 2003
      NHTSA ID:
      #10004733

      INFORMATION ON NEW SPARK PLUGS AND GAPPING. VARIOUS MODELS INCLUDING PONTIAC GTO 2004. *TT Read More »

    • TSB #030601024

      Date Announced:
      AUG 01, 2003
      NHTSA ID:
      #10004371

      RATTLE NOISE IN ENGINE. *TT Read More »

    • TSB #020604054B

      Date Announced:
      MAR 01, 2003
      NHTSA ID:
      #10001273

      INCREASED ACCELERATOR PEDAL EFFORT, IDLE INSTABILITY. *TT Read More »

    • TSB #020601029

      Date Announced:
      SEP 01, 2002
      NHTSA ID:
      #10000064

      NEEDLE BEARINGS FOUND IN OIL PAN. *TT Read More »

    • TSB #3056

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10010364

      CHECK ENGINE LIGHT WITH A P0300 DUE TO 2-4 CYLINDERS MISFIRING ON THE SAME BANK OF THE ENGINE. *TT Read More »

    • TSB #3081

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10010375

      SERVICE ENGINE SOON LIGHT AND P0300 WHEN TOWING, CRUISING UPHILL OR ON HARD ACCELERATION. *TT Read More »

    • TSB #3232

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10014870

      1999 - 2005 GEN II COLD ENGINE MISFIRE AT IDLE WITH POSSIBLE P0171 AND/OR P0174. *TT Read More »

    • TSB #3267

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10017155

      DIAGNOSTIC TROUBLE CODE P0128 OR ENGINE WILL NOT REACH OPERATING TEMPERATURE. *SC Read More »

    • TSB #3691B

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10019426

      GENERATION III V8 ENGINE PISTON REPAIRS. *TT Read More »

    • TSB #4231

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10021021

      SERVICE VME. SUPPLEMENT TO 00-02-35-003L. UPDATE ON NEW I-SHAFT. *KB Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

    • TSB #010417004A

      Date Announced:
      JAN 01, 2005
      NHTSA ID:
      #627861

      CLUNK, BUMP OR SQUAWK WHEN VEHICLE COMES TO A COMPLETE STOP OR ACCELERATION FROM COMPLETE STOP. *YH UPDATE. *TT Read More »

    • TSB #010601029B

      Date Announced:
      JUL 01, 2002
      NHTSA ID:
      #634805

      SOME CUSTOMERS MAY COMMENT ON HIGHER THAN EXPECTED ENGINE OIL CONSUMPTION. *TT Read More »

    • TSB #020604023A

      Date Announced:
      JUN 01, 2002
      NHTSA ID:
      #634788

      SOME CUSTOMERS MAY COMMENT ON A MILD TO SEVERE ENGINE PING (COMMONLY REFERRED TO AS SPARK KNOCK) USUALLY WORSE DURING ACCELERATION AND / OR AN ILLUMINATED MALFUNCTION INDICATOR LAMP. *TT Read More »

    • TSB #020604023

      Date Announced:
      MAY 01, 2002
      NHTSA ID:
      #634723

      SOME CUSTOMERS MAY COMMENT ON A MILD TO SEVERE ENGINE PING (SPARK KNOCK) DURING ACCELERATION AND / OR ILLUMINATED MALFUNCTION INDICATOR LAMP WITH DIAGNOSTIC TROUBLE CODE P0332 SET. *TT Read More »

    • TSB #010604006

      Date Announced:
      FEB 01, 2001
      NHTSA ID:
      #619179

      SOME CUSTOMERS MAY COMMENT ON A LEAN HESITATION, SAG OR STUMBLE PRESENT DURING LIGHT TO MODERATE ACCELERATIONS. *TT Read More »

    • TSB #111200

      Date Announced:
      DEC 11, 2000
      NHTSA ID:
      #617778

      SOME CUSTOMERS MAY COMPLAIN THAT THEIR FULL-SIZE PICKUP TRUCKS MAY BE HARD TO START OR INTERMITTENTLY DOES NOT START. *TT Read More »

    • TSB #021000

      Date Announced:
      OCT 02, 2000
      NHTSA ID:
      #617717

      SUBJECT REGARDING CUSTOMER COMPLAINT OF WHISTLE AND WIND RUSH OR FLUTTER TYPE NOISE. *TT Read More »

    • TSB #00601001

      Date Announced:
      FEB 01, 2000
      NHTSA ID:
      #611288

      SOME CUSTOMERS MAY COMMENT ON A WHIRLING SOUND FROM THE LOWER REAR SIDE OF THE ENGINE, OCCURING AS THE ENGINE WARMS UP, BETWEEN 1500 AND 2000 ENGINE RPM ON VEHICLES WITHIN VARIOUS VIN BREAKPOINTS. Read More »

    • TSB #866506

      Date Announced:
      NOV 01, 1998
      NHTSA ID:
      #602978

      SOME VEHICLES MAY EXPERIENCE ENGINE IDLE SHAKE IN DRIVE, PARK, OR NEUTRAL. *YC Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

    • TSB #030605008B

      Date Announced:
      NOV 01, 2005
      NHTSA ID:
      #10005576

      ADVANCE SERVICE INFORMATION - EXHAUST SYSTEM POPPING/SNAPPING NOISE WHEN VEHICLE IS HOT, AT IDLE OR IMMEDIATELY AFTER VEHICLE IS SHUT OFF. *TT BULLETIN 03-06-05-008, DATED 11/01/2003 REPLACED. Read More »

    • TSB #020605003C

      Date Announced:
      FEB 01, 2004
      NHTSA ID:
      #10002939

      EXHAUST MOAN/VIBRATION. *TT UPDATE. *TT Read More »

    • TSB #020605003A

      Date Announced:
      MAR 01, 2003
      NHTSA ID:
      #10001274

      EXHAUST MOAN/VIBRATION. *TT Read More »

    • TSB #020605003

      Date Announced:
      JUN 01, 2002
      NHTSA ID:
      #634770

      EXHAUST MOAN OR VIBRATION AT LOW VEHICLE SPEEDS BETWEEN 900-1200 RPM UNDER LOAD. *TT Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

    • TSB #99109

      Date Announced:
      MAY 04, 1999
      NHTSA ID:
      #605954

      RECALL CAMPAIGN REGARDING EXHAUST GAS RECIRCULATION VALVE MISBUILDS. *TT Read More »

    • TSB #99009

      Date Announced:
      APR 30, 1999
      NHTSA ID:
      #606540

      VOLUNTARY EMISSION CAMPAIGN REGARDING VEHICLES BUILT WITH THE WRONG EXHAUST GAS RECIRCULATION VALVE. *TT Read More »

    • TSB #99009

      Date Announced:
      APR 01, 1999
      NHTSA ID:
      #604888

      VOLUNTARY EMISSION CAMPAIGN INVOLVING VEHICLES WITH A MISBUILT EXHAUST GAS RECIRCULATION VALVE. *TT Read More »

    • TSB #99009

      Date Announced:
      APR 01, 1999
      NHTSA ID:
      #606536

      SUBJECT REGARDING EXHAUST GAS RECIRCULATION VALVE (EGR) MISBUILDS. *TT Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

    • TSB #3119

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10010101

      ENGINEERING INVESTIGATION - CATALYTIC CONVERTER REPLACEMENT. *SC Read More »

    FUEL SYSTEM, GASOLINE

    • TSB #030602

      Date Announced:
      JUN 03, 2002
      NHTSA ID:
      #637176

      SOME VEHICLES MAY DISPLAY A DIAGNOSTIC TROUBLE CODE OF P0446 (EVAP CANISTER VENT). *TT Read More »

    FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

    • TSB #010101

      Date Announced:
      JAN 01, 2001
      NHTSA ID:
      #623497

      SOME VEHICLES MAY EXPERIENCE REPEAT FUEL PUMP FAILURES. *SLC Read More »

    FUEL SYSTEM, OTHER

    • TSB #3325

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10017191

      SUPPLEMENT TO BULLETIN 99-06-04-047A FOR FUEL SYSTEM CLEANING. *TT Read More »

    FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

    • TSB #PIT-3046E

      Date Announced:
      AUG 01, 2008
      NHTSA ID:
      #10026704

      GMC: FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL, CAUSING THE LOW FUEL LIGHT TO ILLUMINATE. *PE Read More »

    • TSB #3046A

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10009382

      FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL. *TT Read More »

    POWER TRAIN

    • TSB #PIP4138L

      Date Announced:
      DEC 27, 2012
      NHTSA ID:
      #10112697

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Read More »

    • TSB #PIP3259J

      Date Announced:
      DEC 17, 2012
      NHTSA ID:
      #10112681

      This Preliminary Information communication provides information to the technician about vehicles that may have a planetary gear whine noise in first and second gear. Technician should compare the noise to a like vehicle. Read More »

    • TSB #01599

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10007237

      4L60E, 4L65E FORWARD AND LOW REVERSE WAVED STEEL CLUTCH PLATE APPEARANCE CHANGE. *TT Read More »

    • TSB #02086

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10007782

      4L60E, 4L65E INTERMITTENT NEUTRAL FROM A STOP OR STEADY SPEED. *TT Read More »

    • TSB #3054

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10009665

      REPLACEMENT FLEXPLATE MAY HAVE LARGER BOLT HOLES THAN THE ORIGINAL FLEXPLATE. *TT Read More »

    • TSB #01410

      Date Announced:
      NOV 18, 2003
      NHTSA ID:
      #10004214

      POOR PERFORMANCE FROM A STOP IN 2WD, AUTO OR 4WD HI. 2003, 2003 CADILLAC EXT ALSO INCLUDED. *TT Read More »

    • TSB #030421004

      Date Announced:
      MAY 01, 2003
      NHTSA ID:
      #10002374

      DESIGN CHANGE OF REAR OUTPUT SHAFT AND OIL PUMP REPLACEMENT PARTS. *TT Read More »

    • TSB #020421005A

      Date Announced:
      FEB 01, 2003
      NHTSA ID:
      #10001110

      SLIPS IN 4-WHEEL DRIVE, NOISE, VIBRATION, LEAKS, HOT ODOR. *TT Read More »

    • TSB #990730016A

      Date Announced:
      OCT 01, 2002
      NHTSA ID:
      #10007838

      DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN. *TT Read More »

    • TSB #020421005

      Date Announced:
      JUN 01, 2002
      NHTSA ID:
      #634905

      SOME VEHICLES WILL NOT MOVE WHEN 4-WHEEL DRIVE IS REQUESTED, NOISE, SHUDDER, POOR PERFORMANCE, TRANSMISSION / TRANSFER CASE SLIPS, TRANSMISSION WILL NOT UPSHIFT, SLIPS IN 4-WHEEL DRIVE. *TT Read More »

    • TSB #020090002

      Date Announced:
      APR 01, 2002
      NHTSA ID:
      #634226

      SUBJECT REGARDING LUBRICATION OF PROPELLER SHAFT DOUBLE CARDAN CV TYPE U-JOINT CENTERING BALL AND SEAT.*NLM Read More »

    • TSB #220102

      Date Announced:
      JAN 22, 2002
      NHTSA ID:
      #629716

      SOME FOUR-WHEEL DRIVE EXTENDED CAB SHORT BED MODELS MAY EXHIBIT A BUMP/CLUNK ON STOP OR ACCELERATION. *TT Read More »

    • TSB #3002

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10008802

      4L60E/4L65E INTERMITTENT NEUTRAL CONDITION WHILE ACCELERATING FROM A STOP OR WHILE DRIVING. *TT 1999-2006 GM CARS, LIGHT DUTY TRUCKS AND UTILITIES. *TT Read More »

    • TSB #3156

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10010292

      261 TRANSFER CASE DRIVELINES GROWL 1100-1200 RPM. *TT Read More »

    POWER TRAIN:CLUTCH ASSEMBLY

    • TSB #PIP5072

      Date Announced:
      OCT 30, 2012
      NHTSA ID:
      #10112523

      This Preliminary Information communication provides information to the technician about vehicles that have slip in forward ranges immediately after replacing the input housing. Read More »

    POWER TRAIN:MANUAL TRANSMISSION

    • TSB #131101

      Date Announced:
      NOV 13, 2001
      NHTSA ID:
      #628117

      INFORMATION ON 4-WHEEL DRIVE EXTENDED CAB, SHORT BED VEHICLES WITH 4-WHEEL DRIVE EXTENDED CAB, SHORT BED WITH A BUMP OR CLUNK ON STOP OR ACCELERATION. *TT Read More »

    • TSB #011101

      Date Announced:
      NOV 01, 2001
      NHTSA ID:
      #628081

      THIS MESSAGE COVERS TRUCKS WITH FOUR-WHEEL DRIVE EXTENDED CAB SHORT BED WITH A BUMP OR CLUNK ON STOP OR ACCELERATION IN REFERENCE TO BULLETIN NUMBER 01-04-17-004. *TT Read More »

    • TSB #251001

      Date Announced:
      OCT 25, 2001
      NHTSA ID:
      #628027

      SOME EXTENDED CAB SHORT BED VEHICLES WITH FOUR-WHEEL DRIVE MAY EXHIBIT A BUMP OR CLUNK ON STOP OR ACCELERATION FROM A STOP. *TT Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #010730038B

      Date Announced:
      OCT 01, 2005
      NHTSA ID:
      #10005162

      THE SERVICE ENGINE SOON LAMP IS ILLUMINATED, NO 3RD AND 4TH GEAR, THE TRANSMISSION DOES NOT SHIFT CORRECTLY, THE TRANSMISSION FEELS LIKE IT SHIFTS TO NEUTRAL OR A LOSS OF DRIVE OCCURS. *TT Read More »

    • TSB #030730056

      Date Announced:
      NOV 01, 2003
      NHTSA ID:
      #10005566

      4L60-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION. *TT Read More »

    • TSB #020417001A

      Date Announced:
      JUL 01, 2002
      NHTSA ID:
      #634895

      CONCERNS WITH LAUNCH SHUDDER / VIBRATION ON ACCELERATION. *TT Read More »

    • TSB #020417001

      Date Announced:
      FEB 01, 2002
      NHTSA ID:
      #629369

      SOME OWNERS OF C1500 SERIES EXTENDED CAB PICKUP MODELS MAY COMMENT ON A VIBRATION/LAUNCH SHUDDER WHEN ACCELERATING FROM A STOP. *TT Read More »

    • TSB #010730038

      Date Announced:
      DEC 01, 2001
      NHTSA ID:
      #628934

      SOME CUSTOMERS MAY COMMENT THAT THE SERVICE ENGINE SOON LAMP IS ILLUMINATED, NO 3RD AND 4TH GEAR, THE TRANSMISSION DOES NOT SHIFT CORRECTLY, THE TRANSMISSION FEELS LIKE IT SHIFTS TO NEUTRAL OR A LOSS OF DRIVE OCCURS. Read More »

    • TSB #99027A

      Date Announced:
      SEP 01, 1999
      NHTSA ID:
      #607943

      SUBJECT REGARDING AUXILIARY TRANSMISSION OIL COOLER OMITTED. *TT Read More »

    • TSB #99027

      Date Announced:
      AUG 01, 1999
      NHTSA ID:
      #608377

      GENERAL MOTORS HAS DECIDED THAT SOME VEHICLES EQUIPPED WITH 4.8L OR 5.3L ENGINES AND 4L60-E AUTOMATIC TRANSMISSIONS, AND VEHICLES EQUIPPED WITH 3. Read More »

    • TSB #990730010

      Date Announced:
      JUN 01, 1999
      NHTSA ID:
      #606084

      DRIVELINE VIBRATION / GROWL NOISE. *TT Read More »

    • TSB #990730009

      Date Announced:
      JUN 01, 1999
      NHTSA ID:
      #606085

      SUBJECT PERTAINING TO HARSH 1 - 2 AND 3 - 2 SHIFTS. *TT Read More »

    • TSB #990730010A

      Date Announced:
      JUN 01, 1999
      NHTSA ID:
      #607320

      A DRIVELINE VIBRATION / GROWL NOISE. *TT Read More »

    • TSB #3259C

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10005514

      4L80E, 4L85E WHINE NOISE IN FIRST AND SECOND GEAR. *TT Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT

    • TSB #020730024A

      Date Announced:
      AUG 01, 2005
      NHTSA ID:
      #634999

      DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES

    • TSB #99027B

      Date Announced:
      DEC 01, 1999
      NHTSA ID:
      #6089003

      GENERAL MOTORS HAS DECIDED THAT SOME VEHICLES MAY HAVE THE AUXILIARY TRANSMISSION OIL COOLER OMITTED. *TT Read More »

    • TSB #99027B

      Date Announced:
      DEC 01, 1999
      NHTSA ID:
      #6089929

      A CONDITION WITH THE AUXILIARY TRANSMISSION OIL COOLER OMITTED FROM CERTAIN VEHICLES EQUIPPED WITH HEAVY DUTY TRAILERING PACKAGE (Z82). *TT Read More »

    • TSB #99027A

      Date Announced:
      SEP 01, 1999
      NHTSA ID:
      #607680

      GENERAL MOTORS HAS DECIDED THAT SOME VEHICLES MAY NOT HAVE INCLUDED THE MERCHANDISING-INTENT AUXILIARY TRANSMISSION OIL COOLER (KNP). *TT Read More »

    • TSB #99027

      Date Announced:
      AUG 01, 1999
      NHTSA ID:
      #607627

      GENERAL MOTORS HAS DECIDED THAT SOME VEHICLES MAY NOT HAVE INCLUDED THE MERCHANDISING-INTENT AUXILIARY TRANSMISSION OIL COOLER (KNP). *TT Read More »

    POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

    • TSB #01409

      Date Announced:
      NOV 18, 2003
      NHTSA ID:
      #10004212

      THE NVG 136 ALL WHEEL DRIVE (AWD) TRANSFER CASE AND THE 236 AND 246 NVG SELECTABLE TRANSFER CASE SHUDDER ON TURNS. *TT Read More »

    • TSB #020421004

      Date Announced:
      APR 01, 2002
      NHTSA ID:
      #634899

      SOME CUSTOMERS MAY COMMENT ON THE SERVICE 4WD INDICATOR ILLUMINATING WITH DIAGNOSTIC TROUBLE CODE B2725 SET. *TT Read More »

    • TSB #990421003

      Date Announced:
      JUN 01, 1999
      NHTSA ID:
      #606091

      SOME OWNERS MAY COMMENT ABOUT A SLIPPING TYPE CONDITION AT THE FRONT WHEELS WHILE THE VEHICLE IS IN FOUR WHEEL DRIVE (4WD). *TT Read More »

    • TSB #3012B

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10008806

      THE NVG 136 ALL WHEEL DRIVE (AWD) TRANSFER CASE AND THE 236 AND 246 NVG SELECTABLE TRANSFER CASES OPERATING IN THE AUTO MODE MAY EXHIBIT A CONDITION OF A VIBRATION/SHUDDER DURING LOW SPEED TURNS SUCH AS A PARKING LOT MANEUVER, UP TO ... Read More »

    • TSB #3349

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10014809

      4WD INOPERATIVE AND DIAGNOSTIC TROUBLE CODE (DTC) U1026 ATC FUSE OPEN. *TT Read More »

    • TSB #3526

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10016558

      INTERMITTENT SERVICE 4WD LIGHT COMES ON WITH DIAGNOSTIC TROUBLE CODE (DTC) C0306 OR C0308 STORED IN TCCM. *TT Read More »

    • TSB #3389

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10016707

      FOUR WHEEL DRIVE INOPERATIVE AND THE 4WD SERVICE LIGHT WILL ILLUMINATE. DIAGNOSIS MAY REVEAL THAT THE ATC FUSE COULD BE OPEN, POSSIBLE DTC C0308, OR VARIOUS U CODES MAY BE SET. Read More »

    • TSB #3424

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10017299

      ELECTRONIC TRANSFER CASE UNABLE TO COMPLETE SHIFT. *TT Read More »

    POWER TRAIN:DRIVELINE

    • TSB #3300

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10013572

      4WD MODELS WITH NOISE, VIBRATION ON DRY PAVEMENT. *EH Read More »

    POWER TRAIN:DRIVELINE:DRIVESHAFT

    • TSB #040495001

      Date Announced:
      MAR 01, 2004
      NHTSA ID:
      #10008653

      REVISED WHEEL DRIVE SHAFT NUT TORQUE SPECIFICATION. *TT Read More »

    POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT

    • TSB #990421003C

      Date Announced:
      AUG 01, 2003
      NHTSA ID:
      #10004401

      FRONT WHEELS SLIPPING WITH VEHICLE IN FOUR WHEEL DRIVE. *TT Read More »

    • TSB #990421003B

      Date Announced:
      APR 01, 2001
      NHTSA ID:
      #619378

      SOME OWNERS MAY COMMENT ON A SLIPPING TYPE CONDITION AT THE FRONT WHEELS WHILE THE VEHICLE IS IN FOUR WHEEL DRIVE (4WD). *TT Read More »

    POWER TRAIN:AXLE ASSEMBLY

    • TSB #3001

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10008872

      THE SERVICE INFORMATION AND OWNERS MANUAL DO NOT SHOW A SERVICE INTERVAL FOR THE 8.6, 9.5, 9.75, 10.5, AND 11.5 INCH REAR AXLES WITH OR WITHOUT G80 (LOCKING DIFFERENTIAL). Read More »

    • TSB #3364

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10014953

      REAR AXLE RETAINER BUTTON BREAKAGE. *EH Read More »

    • TSB #4030

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10021676

      NEW DESIGN FRONT AXLE SIDE BEARING ADJUSTERS. *KB Read More »

    ELECTRICAL SYSTEM

    • TSB #PIP5072

      Date Announced:
      OCT 30, 2012
      NHTSA ID:
      #10112523

      This Preliminary Information communication provides information to the technician about vehicles that have slip in forward ranges immediately after replacing the input housing. Read More »

    • TSB #00149D

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10005439

      MALFUNCTION INDICATOR LAMP ON WITH A P0300 SET AND A MISFIRE. VARIOUS MODELS INCLUDING 1996 - 1999 P32 MODELS. SIT BULLETIN 1416475. *TT Read More »

    • TSB #00149C

      Date Announced:
      NOV 18, 2003
      NHTSA ID:
      #10004223

      MALFUNCTION INDICATOR LAMP ON WITH A P0300 SET AND A MISFIRE. VARIOUS MODELS INCLUDING THE 1996-1999 P32 AND THE 1996-2002 GMC C/K TRUCK. *TT Read More »

    • TSB #010856002A

      Date Announced:
      JUN 01, 2001
      NHTSA ID:
      #623100

      SOME VEHICLES MAY EXHIBIT A SECURITY LAMP ILLUMINATED ON THE INSTRUMENT PANEL, ENGINE STALL, NO START CONDITION, AND DIAGNOSTIC TROUBLE CODE B2960. *TT Read More »

    • TSB #3777

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10018585

      FUEL AND TEMPERATURE GAUGE INOPERATIVE, LOW FUEL AND BATTERY LIGHT ON, PRNDL INOPERATIVE. *TT Read More »

    ELECTRICAL SYSTEM:HORN

    • TSB #3300C

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10013378

      APPLICATION OF HORN AT HORN PAD INOPERATIVE. RKE FUNCTION FOR PANIC ALARM WORKS. *TT Read More »

    • TSB #3300

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10021206

      HORN INOPERATIVE AT TIMES. *KB Read More »

    EXTERIOR LIGHTING

    EXTERIOR LIGHTING:HEADLIGHTS

    • TSB #020201

      Date Announced:
      FEB 02, 2001
      NHTSA ID:
      #618276

      THIS IS A PRODUCT UPDATE VME THAT INVOLVES CERTAIN PICK-UP TRUCKS. AS INDICATED IN SERVICE BULLETIN NUMBER 00-08-42-010, RELATIVE TO THE DAYTIME RUNNING LIGHTS BEING INOPERATIVE, THE REPLACEMENT BULB IS NOW AVAILABLE. Read More »

    EXTERIOR LIGHTING:FOG LIGHTS

    EXTERIOR LIGHTING:BRAKE LIGHTS

    • TSB #020522004B

      Date Announced:
      OCT 01, 2002
      NHTSA ID:
      #10000171

      TRAILER BRAKES APPLIED WHEN HEADLIGHTS / PARK LAMPS ARE ON, BRAKE CONTROLLER ILLUMINATION. *TT Read More »

    VISIBILITY:WINDSHIELD

    • TSB #PIT3237G

      Date Announced:
      OCT 01, 2013
      NHTSA ID:
      #10112382

      This Preliminary Information communication provides information to the technician about the percentage of UV protection or tint offered by the windshield or side glass. Read More »

    • TSB #040848003

      Date Announced:
      JUN 01, 2004
      NHTSA ID:
      #10012532

      WINDRUSH AROUND WINDSHIELD. *TT Read More »

    • TSB #01698

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10006391

      WINDSHIELD REVEAL MOLDING FLUTERING. SERVICE VME. SIT BULLETIN 1450940. *TT Read More »

    • TSB #990848001

      Date Announced:
      APR 01, 1999
      NHTSA ID:
      #606578

      CONCERNS WITH WIND NOISE FROM REAR QUARTER WINDOW. *TT Read More »

    VISIBILITY:GLASS, SIDE/REAR

    • TSB #10222002

      Date Announced:
      OCT 22, 2002
      NHTSA ID:
      #10009500

      REAR QUARTER GLASS SERVICE REPLACEMENT KITS MAY HAVE DEFORMED SEALING STRIPED WHEN INITIALLY REMOVED FROM THEIR PACKAGING CAUSING DEALERS TO REORDER. *TT Read More »

    VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

    • TSB #040864003

      Date Announced:
      FEB 01, 2004
      NHTSA ID:
      #10011144

      POWER WINDOW MOTOR NOW AVAILABLE SEPARATELY FROM THE POWER WINDOW REGULATORY ASSEMBLY. *TT UPDATED *EH Read More »

    VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR

    • TSB #050864007

      Date Announced:
      MAR 01, 2005
      NHTSA ID:
      #10015034

      OUTSIDE REARVIEW MIRROR HOUSINGS COME LOOSE FROM BASE. *TT Read More »

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

    • TSB #010139007

      Date Announced:
      JAN 01, 2002
      NHTSA ID:
      #628856

      A CONDITION MAY EXIST WHERE THE CUSTOMER CANNOT CONTROL THE HVAC SYSTEM MODES AND / OR THE TEMPERATURE. *TT Read More »

    • TSB #010139007

      Date Announced:
      JAN 01, 2002
      NHTSA ID:
      #628858

      SUBJECT REGARDING LOSS OF HVAC SYSTEM MODE AND/OR TEMPERATURE CONTROL. *TT Read More »

    • TSB #080101

      Date Announced:
      JAN 08, 2001
      NHTSA ID:
      #618163

      SOME CUSTOMER MAY COMMENT THAT THE WINDOWS DO NOT DEFROST ON A TIMELY BASIS. *TT Read More »

    AIR BAGS

    • TSB #3373

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10013523

      SIR LIGHT ON STEADY AFTER BULB TEST AND NO DIAGNOSTIC TROUBLE CODES (DTCS). *TT Read More »

    SEAT BELTS

    • TSB #040850011

      Date Announced:
      JUL 01, 2004
      NHTSA ID:
      #10012127

      REPAIRING NAPPED SEAT FABRIC. *EH Read More »

    • TSB #010940001

      Date Announced:
      JUN 01, 2001
      NHTSA ID:
      #623013

      INFORMATION REGARDING REPLACEMENT OF FRONT SEAT BELT RETRACTOR AND BUCKLE USAGE. *TT Read More »

    • TSB #050301

      Date Announced:
      MAR 05, 2001
      NHTSA ID:
      #619229

      THE SEATBELT REPLACEMENT PARTS DO NOT MATCH OR ARE UNABLE TO LATCH TO THE EXISTING BELT. *TT Read More »

    SEAT BELTS:FRONT:RETRACTOR

    • TSB #010940001

      Date Announced:
      JUN 01, 2001
      NHTSA ID:
      #623024

      INFORMATION REGARDING REPLACEMENT OF THE FRONT SEAT BELT RETRACTOR AND BUCKLE USAGE. *TT Read More »

    STRUCTURE

    • TSB #3128

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10009932

      ALL FULL SIZE TRUCKS PICK UP BOX SHEET METAL FRACTURE/DAMAGE WITH AFTERMARKET ACCESSORIES INSTALLED. *SC Read More »

    • TSB #300701

      Date Announced:
      JUL 30, 2001
      NHTSA ID:
      #625162

      INFORMATION REGARDING FRONTAL WIND NOISE CONDITION. *YH Read More »

    STRUCTURE:BODY

    • TSB #010866014A

      Date Announced:
      FEB 01, 2005
      NHTSA ID:
      #634819

      PICKUP BOX SHEET METAL FRACTURE / DAMAGE WITH AFTERMARKET ACCESSORIES INSTALLED. *TT Read More »

    • TSB #071503

      Date Announced:
      JUL 15, 2003
      NHTSA ID:
      #10003791

      REVISED REQUIREMENTS FOR INSTALLING THE RUNNING BOARD. *TT Read More »

    • TSB #030844011

      Date Announced:
      JUL 01, 2003
      NHTSA ID:
      #10002945

      TWEETER SPEAKER RATTLE IN FRONT SIDE DOOR(S), TWEETER SPEAKER FALLS OUT OF POSITION. *TT Read More »

    • TSB #020849007

      Date Announced:
      SEP 01, 2002
      NHTSA ID:
      #10000072

      CENTER CONSOLE LID HARD TO OPEN OR CLOSE. *TT Read More »

    • TSB #230701

      Date Announced:
      JUL 23, 2001
      NHTSA ID:
      #621226

      SOME CUSTOMERS MAY COMMENT THAT THE CENTER CONSOLE LATCH MAY STICK OR WILL NOT OPEN. *TT Read More »

    • TSB #010866005

      Date Announced:
      JUN 01, 2001
      NHTSA ID:
      #623084

      INFORMATION REGARDING NEW PICKUP BOX REINFORCEMENT KITS WHICH ARE AVAILABLE FOR CUSTOMERS WHO MAY WANT TO INSTALL A CROSS TOOLBOX, SIDE BOX, OR A LADDER RACK SYSTEM AS AN ACCESSORY. Read More »

    • TSB #9908110004

      Date Announced:
      MAY 01, 1999
      NHTSA ID:
      #606014

      SOME OWNERS MAY COMPLAIN OF SQUEAK OR RATTLE NOISE FROM FRONT HINGE PILLAR / INSTRUMENT PANEL AREA. *TT Read More »

    STRUCTURE:BODY:DOOR

    • TSB #010864014A

      Date Announced:
      JUL 01, 2002
      NHTSA ID:
      #634821

      SOME CUSTOMERS MAY COMMENT THAT THE MANUAL LOCK LEVER COMES LOOSE FROM THE DOOR TRIM PANEL. *TT Read More »

    • TSB #010864014

      Date Announced:
      OCT 01, 2001
      NHTSA ID:
      #627425

      SUBJECT ON DOOR MANUAL LOCK LEVER DISENGAGES FROM DOOR TRIM PANEL. *YH Read More »

    • TSB #010864015

      Date Announced:
      OCT 01, 2001
      NHTSA ID:
      #627471

      INFORMATION REGARDING FRONT AND REAR SIDE ACCESS DOOR NOISE. *YH Read More »

    • TSB #160801

      Date Announced:
      AUG 16, 2001
      NHTSA ID:
      #625323

      SUBJECT REGARDING NEW DOOR CHECK LINK. *JG Read More »

    • TSB #060801

      Date Announced:
      AUG 06, 2001
      NHTSA ID:
      #625290

      SOME VEHICLES MAY EXPERIENCE A SQEAKING SOUND COMING FROM THE FRONT DOORS WHILE OPENING AND CLOSING. *SLC Read More »

    • TSB #000864016

      Date Announced:
      DEC 01, 2000
      NHTSA ID:
      #619727

      CUSTOMER COMMENTS THAT THE 3RD OR 4TH DOOR IS HARD TO CLOSE WHEN COLD. *TT Read More »

    • TSB #000864003

      Date Announced:
      FEB 01, 2000
      NHTSA ID:
      #611265

      SOME OWNERS MAY COMMENT ON A RATTLE NOISE WHEN CLOSING EITHER OF THE FRONT DOORS. THIS NOISE MAY BE MORE NOTICEABLE WHEN THE WINDOW IS IN THE DOWN POSITION. *TT Read More »

    • TSB #990864029

      Date Announced:
      DEC 01, 1999
      NHTSA ID:
      #6089971

      EXPERIENCING A RATTLE TYPE NOISE COMING FROM THE DRIVER'S OR PASSENGER'S FRONT SIDE DOOR. *TT Read More »

    • TSB #990864027

      Date Announced:
      OCT 01, 1999
      NHTSA ID:
      #6088952

      CUSTOMER MAY COMMENT THAT A HIGH EFFORT IS REQUIRED TO CLOSE EITHER FRONT DOOR. *TT Read More »

    • TSB #8651520

      Date Announced:
      DEC 01, 1998
      NHTSA ID:
      #603088

      COMMENTS ABOUT A SQUEAK NOISE WHEN OPENING OR CLOSING THE FRONT DOORS. *TT Read More »

    STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS

    • TSB #010864015

      Date Announced:
      OCT 01, 2001
      NHTSA ID:
      #628505

      SUBJECT REGARDING FRONT AND REAR SIDE DOOR ACCESS DOOR NOISE (REPLACE DOOR CHECK LINK). *JG Read More »

    • TSB #3464

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10014808

      DOOR HINGE REPLACEMENT KIT. *TT Read More »

    STRUCTURE:BODY:TAILGATE

    • TSB #PIT3227M

      Date Announced:
      FEB 08, 2017
      NHTSA ID:
      #10113406

      This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Read More »

    • TSB #PIT3227J

      Date Announced:
      JAN 28, 2014
      NHTSA ID:
      #10112034

      This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Read More »

    • TSB #3227

      Date Announced:
      OCT 04, 2006
      NHTSA ID:
      #10011755

      TAILGATE CABLE SLACK. THIS INCLUDES 1998-2006 CHEVROLET AND GMC FULL AND MID SIZE TRUCKS. *EH UPDATED. *KB Read More »

    STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS

    • TSB #PIT3227J

      Date Announced:
      JAN 28, 2014
      NHTSA ID:
      #10112034

      This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Read More »

    STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS

    • TSB #050602

      Date Announced:
      MAY 06, 2002
      NHTSA ID:
      #636609

      SOME CUSTOMERS MAY COMMENT ABOUT HOOD HINGE WIND NOISE . *TT Read More »

    LATCHES/LOCKS/LINKAGES:DOORS:LATCH

    • TSB #010864014

      Date Announced:
      OCT 01, 2001
      NHTSA ID:
      #628508

      SUBJECT REGARDING DOOR MANUAL LOCK LEVER DISENGAGES FROM DOOR TRIM PANEL (REPAIR LOCK LEVER) *JG Read More »

    VEHICLE SPEED CONTROL

    • TSB #000604007

      Date Announced:
      FEB 01, 2000
      NHTSA ID:
      #612670

      SOME CUSTOMERS MAY COMMENT ON A HIGHER THAN EXPECTED ACCELERATOR PEDAL EFFORT FROM THE IDLE POSITION, C/K SERIES PICK UPS (SILVERADO AND SIERRA). *MJS Read More »

    VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

    VEHICLE SPEED CONTROL:LINKAGES

    • TSB #000604007B

      Date Announced:
      FEB 01, 2001
      NHTSA ID:
      #619184

      EXPERIENCING INCREASED ACCELERATOR PEDAL EFFORT. *TT Read More »

    • TSB #990604036

      Date Announced:
      SEP 01, 1999
      NHTSA ID:
      #608394

      SUBJECT ON VARIOUS DRIVEABILITY CONCERNS-SES OR OIL LEVEL LAMP ILLUMINATES, SPARK KNOCK, EXHAUST POPPING. *MJS Read More »

    TIRES

    • TSB #030310006D

      Date Announced:
      SEP 01, 2005
      NHTSA ID:
      #10012161

      20 INCH WHEELS AND TIRES AVAILABLE THROUGH GMSPO. *EH *TT Read More »

    • TSB #030310002

      Date Announced:
      JUN 01, 2004
      NHTSA ID:
      #10012160

      USE OF CORRECT INSTALLATION PROCEDURE FOR LOOSE HUBCAP ASSEMBLY. THIS SERVICE BULLETIN REPLACES 030310002. *EH Read More »

    TIRES:BEAD

    • TSB #030310001

      Date Announced:
      JAN 01, 2008
      NHTSA ID:
      #10000959

      TIRE SLOWLY GOES FLAT AND/OR EXCESSIVE WHEEL VIBRATION CAUSED BY BEAD SPLITS (REPLACE WHEELS WITH NEW HEAVY DUTY RIM VERSION) *TT *AR UPDATED 4/11/08. *NJ Read More »

    TIRES:TEMPORARY/EMERGENCY SPARE TIRE

    • TSB #01848

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10006583

      SPARE TIRE FLEXIBLE TOOL AVAILABILITY. *MR Read More »

    • TSB #02076

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10007773

      RECENT SHIPMENT OF FLEXIBLE SPARE TIRE HOIST TOOL. SERVICE VME. *TT Read More »

    WHEELS

    • TSB #050310005

      Date Announced:
      APR 01, 2005
      NHTSA ID:
      #10017339

      HANDLING CHARACTERISTICS OF VEHICLES WITH 20 INCH WHEEL/TIRE ASSEMBLIES INSTALLED. *TT Read More »

    • TSB #3045

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10009376

      VARIOUS STEERING OR SUSPENSION CONCERNS AFTER GM ACCESSORIES 20 INCH TIRE/WHEEL ASSEMBLIES HAVE BEEN INSTALLED. *TT Read More »

    SEATS

    • TSB #050850012

      Date Announced:
      OCT 01, 2005
      NHTSA ID:
      #10017764

      UNWANTED/LOOSE SEAT MOVEMENT. *TT Read More »

    • TSB #3025

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10008794

      REPAIRING CLOTH SEATS WITH NAPPED FABRIC. *MJ Read More »

    • TSB #510

      Date Announced:
      OCT 01, 2003
      NHTSA ID:
      #10016226

      REPAIRING NAPPED FABRIC-SEATS MAY HAVE BEEN UPHOLSTERED IN NAPPED FABRICS WITH DORCHESTER ON THE BOLSTER AND HONEYCOMB ON THE INSERT. *SC Read More »

    • TSB #990850004

      Date Announced:
      APR 01, 1999
      NHTSA ID:
      #606575

      SUBJECT REGARDING SEAT NOISE / VIBRATION - CREAK IN FRONT SEAT CUSHION, RATTLE / VIBRATION IN 40% FRONT SEAT, JINGLE IN 20% FOLDING CENTER SEAT. *TT Read More »

    • TSB #990850005

      Date Announced:
      APR 01, 1999
      NHTSA ID:
      #606577

      EXPERIENCING RATTLE NOISE AT REAR SEAT UPPER ATTACHMENT WHERE THE SEAT CONNECTS WITH THE REAR CAB WALL. *TT Read More »

    EQUIPMENT:MECHANICAL

    • TSB #PIP4138L

      Date Announced:
      DEC 27, 2012
      NHTSA ID:
      #10112697

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #040138010

      Date Announced:
      AUG 01, 2004
      NHTSA ID:
      #10011190

      DIAGNOSTIC INFORMATION TO ACCURATELY DIAGNOSE A/C LOW PRESSURE SWITCH USING NEW KENT MOORE SPECIAL TOOL GE-47742. *TT Read More »

    • TSB #040139007

      Date Announced:
      JUN 01, 2004
      NHTSA ID:
      #10012175

      LOSS OF HEATING VENTILATION AIR CONDITIONING. SYSTEM MODE AND OR TEMPERATURE CONTROL. *EH Read More »

    • TSB #3086

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10009509

      AIR CONDITIONER (A/C) LOW PRESSURE SWITCH DIAGNOSTIC TOOL. CURRENTLY THE A/C LOW PRESSURE SWITCH OPEN/CLOSE PRESSURES CANNOT BE ACCURATELY DETERMINED BY MEASURING PRESSURE AT THE LOW SIDE SERVICE PORT. Read More »

    • TSB #120299

      Date Announced:
      FEB 19, 1999
      NHTSA ID:
      #604333

      CUSTOMERS MAY COMPLAIN OF COOLANT LEAKS, LOW COOLANT LIGHT 'ON', OVERHEATING, NO HEAT, NO START, OR ODORS EMITTED FROM THE AIR CONDITIONING SYSTEM. *TT Read More »

    UNKNOWN OR OTHER

    • TSB #02-06-04-037

      Date Announced:
      JAN 01, 2010
      NHTSA ID:
      #634786

      SOME CUSTOMERS WHOSE VEHICLES ARE OPERATED IN DUSTY TYPE ENVIRONMENTS, SUCH AS FARMING OR MINING OFF-ROAD TYPE APPLICATIONS, MAY COMMENT ABOUT THE ILLUMINATION OF THE INSTRUMENT PANEL SES LIGHT, WITH DIAGNOSTIC TROUBLE CODE P0446 SET. Read More »

    • TSB #990089015C

      Date Announced:
      JAN 01, 2005
      NHTSA ID:
      #10004347

      LIGHT SERVICE SUPPORT VEHICLE LSSV (FORMERLY COMMERCIAL UTILITY CARGO VEHICLE - CUCV II AND III) SERVICE. *TT Read More »

    • TSB #00677

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10007713

      SNOW PLOW PREP PACKAGE INFORMATION - SERVICE VME. *MJ Read More »

    • TSB #020604054A

      Date Announced:
      JAN 01, 2003
      NHTSA ID:
      #10000936

      INCREASED ACCELERATOR PEDAL EFFORT. *TT Read More »

    • TSB #990089015B

      Date Announced:
      NOV 01, 2002
      NHTSA ID:
      #10000468

      LIGHT SERVICE SUPPORT VEHICLE (LSSV). *TT Read More »

    • TSB #010866005B

      Date Announced:
      AUG 01, 2002
      NHTSA ID:
      #634817

      SUBJECT REGARDING AVAILABILITY OF PICKUP BOX REINFORCEMENT KITS FOR TOOLBOX / REAR WINDOW BARRIER / LADDER RACK APPLICATIONS. *TT Read More »

    • TSB #070801

      Date Announced:
      AUG 07, 2001
      NHTSA ID:
      #625314

      INFORMATION REGARDING PICK-UP BOX REINFORCMENT KITS, FOR WHEN ADDING TOOLBOXES OR LADDER RACKS. *SLC Read More »

    • TSB #010856002

      Date Announced:
      MAY 01, 2001
      NHTSA ID:
      #619745

      SOME CUSTOMERS MAY HAVE CONCERNS WITH THE SECURITY LAMP ILLUMINATING WHILE DRIVING; THE SECURITY LAMP MAY BE ON OR OFF; THE ENGINE CRANKS BUT WILL NOT START AND THE SECURITY LAMP IS FLASHING; AND / OR THE ENGINE STARTS THEN STALLS AND THE ... Read More »

    • TSB #000604024

      Date Announced:
      JUN 01, 2000
      NHTSA ID:
      #614354

      SOME DRIVERS MAY COMMENT ABOUT THE SERVICE ENGINE SOON LAMP ILLUMINATING. THE POWERTRAIN CONTROL MODULE MAY HAVE STORED A DIAGNOSTIC TROUBLE CODE P0300, ENGINE MISFIRE DETECTED. *TT Read More »

    • TSB #868309

      Date Announced:
      FEB 01, 1999
      NHTSA ID:
      #604346

      EXPERIENCING RATTLE NOISES IN INSTRUMENT PANEL COMPARTMENT. *TT Read More »