Technical Service Bulletins (TSBs) for the 1999 LeSabre are official communications between Buick & 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 #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 »

    SERVICE BRAKES, HYDRAULIC

    • TSB #PIP4723F

      Date Announced:
      JAN 14, 2022
      NHTSA ID:
      #10208027

      This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #040601021

      Date Announced:
      JUN 01, 2004
      NHTSA ID:
      #10012148

      NEW REAR MAIN SEAL AND SPECIAL TOOL FOR INSTALLATION. *TT Read More »

    • TSB #010601008A

      Date Announced:
      MAY 01, 2002
      NHTSA ID:
      #634813

      SOME OWNERS MAY COMMENT ON A REPEAT ENGINE OIL PAN LEAK. *TT Read More »

    • TSB #010601008

      Date Announced:
      FEB 01, 2001
      NHTSA ID:
      #619177

      SOME OWNERS MAY COMMENT ON A REPEAT ENGINE OIL PAN LEAK. *TT Read More »

    • TSB #3180

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10010868

      DEALERS MAY COMMENT ON A CHUGGLE, SURGE, MISFIRE CONDITION. *TT Read More »

    ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

    • TSB #130089009

      Date Announced:
      SEP 01, 2013
      NHTSA ID:
      #10246631

      Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

    • TSB #99070

      Date Announced:
      OCT 01, 1999
      NHTSA ID:
      #6089158

      VOLUNTARY EMISSION CAMPAIGN FOR VEHICLES WITH AN OBD-II CALIBRATION THAT CAUSES A FALSE OXYGEN SENSOR CODE, P1133, TO SET UNDER CERTAIN CONDITIONS, RESULTING IN MALFUNCTION INDICATOR LAMP ILLUMINATION. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

    • TSB #040601017

      Date Announced:
      JUN 01, 2004
      NHTSA ID:
      #10008471

      NEW UPPER INTAKE MANIFOLD AND GASKET KITS. *TT Read More »

    • TSB #3115

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10009950

      ENGINE INTAKE MANIFOLD COOLANT LEAK. *SC Read More »

    FUEL SYSTEM, GASOLINE

    • TSB #PIP4723F

      Date Announced:
      JAN 14, 2022
      NHTSA ID:
      #10208027

      This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »

    • TSB #PIP4723C

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157018

      This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »

    • TSB #05-06-04-035D

      Date Announced:
      MAY 09, 2014
      NHTSA ID:
      #10137901

      This informational bulletin provides the technician with information on what E85 fuel may due to a non E85 vehicle. Read More »

    POWER TRAIN

    • TSB #PIP5346

      Date Announced:
      NOV 02, 2015
      NHTSA ID:
      #10115081

      This Preliminary Information communication provides information to the technician about cooler line fittings that come with the 4T65E General Motors remanufactured transmission may not be the same as Original equipment manufacturer quick ... Read More »

    • TSB #PI1217

      Date Announced:
      APR 15, 2014
      NHTSA ID:
      #10135203

      This preliminary bulletin provides a way to aid the technician in diagnosing transmission fluid leaking from the trans breather vent. Read More »

    • TSB #000730007A

      Date Announced:
      FEB 01, 2002
      NHTSA ID:
      #629375

      SUBJECT REGARDING WHINE NOISE IN PARK OR NEUTRAL, SERVICE ENGINE SOON OR SERVICE VEHICLE SOON LAMP ILLUMINATION. *TT Read More »

    POWER TRAIN:MANUAL TRANSMISSION

    • TSB #000730002B

      Date Announced:
      JUL 01, 2002
      NHTSA ID:
      #634985

      CONCERNS WITH SLIPS, HARSH UPSHIFT OR GARAGE SHIFTS, LAUNCH SHUDDERS, FLARES, ERRATIC SHIFTS AND INTERMITTENT CONCERNS, DIAGNOSTIC TROUBLE CODE P1811 OR P0748 SET. *TT Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #010730032B

      Date Announced:
      NOV 01, 2004
      NHTSA ID:
      #628928

      SOME OWNERS MAY COMMENT ON A TRANSMISSION OIL LEAK. *TT UPDATED *EH Read More »

    • TSB #00704A

      Date Announced:
      NOV 18, 2003
      NHTSA ID:
      #10004213

      THE 4T65E AUTOMATIC TRANSMISSION MAY EXHIBIT A CONDITION OF A HARSH GARAGE SHIFT INTO REVERSE OR DRIVE ON A COLD START. *TT Read More »

    • TSB #030730017

      Date Announced:
      MAY 01, 2003
      NHTSA ID:
      #10002394

      GRIND NOISE OR NO VEHICLE MOVEMENT WHEN SHIFTING INTO DRIVE OR REVERSE. *TT Read More »

    • TSB #010730044

      Date Announced:
      JAN 01, 2002
      NHTSA ID:
      #628860

      SUBJECT REGARDING HARSH ENGAGEMENT INTO REVERSE GEAR IN COLD AMBIENT TEMPERATURE. *TT Read More »

    • TSB #99111

      Date Announced:
      MAY 11, 1999
      NHTSA ID:
      #606664

      CAMPAIGN PARTS BULLETIN REGARDING 4T65E MANUAL VALVE / LINK KIT REPLACEMENT. *TT Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES

    • TSB #PIP5346

      Date Announced:
      NOV 02, 2015
      NHTSA ID:
      #10115081

      This Preliminary Information communication provides information to the technician about cooler line fittings that come with the 4T65E General Motors remanufactured transmission may not be the same as Original equipment manufacturer quick ... Read More »

    POWER TRAIN:AXLE ASSEMBLY

    • TSB #990730030A

      Date Announced:
      APR 01, 2001
      NHTSA ID:
      #619370

      OWNERS OF SOME VEHICLES EQUIPPED WITH HYDRA-MATIC 3T40, 4T60, 4T60-E OR 4T65-E TRANSAXLES MAY COMMENT ON A GRINDING AND / OR GROWLING NOISE THAT IS NOTICEABLE WHEN STANDING IN PARK ON A HILL OR SLOPE WITH THE ENGINE RUNNING AND THE ... Read More »

    • TSB #000730002

      Date Announced:
      FEB 01, 2000
      NHTSA ID:
      #611290

      SOME OWNERS OF VEHICLES WITH A HYDRA-MATIC 4T65-E TRANSAXLE MAY COMMENT ON HARSH UPSHIFTS OR HARSH GARAGE SHIFTS, SOFT SHIFTS, SHUDDERS ON HARD ACCELERATION, OR SHIFTS ERRATIC. *TT Read More »

    ELECTRICAL SYSTEM

    • TSB #PIP4723D

      Date Announced:
      JAN 31, 2020
      NHTSA ID:
      #10171318

      This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »

    • TSB #PIC5913

      Date Announced:
      SEP 19, 2013
      NHTSA ID:
      #10113258

      This Preliminary Information communication provides information to the technician about vehicles that have a Supplemental Inflatable Restraint lamp, Service Vehicle Soon lamp on and/or radio locked, possibly after module replacement. Read More »

    ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

    • TSB #03054

      Date Announced:
      MAY 17, 2004
      NHTSA ID:
      #10007859

      UPCOMING PRODUCT SAFETY RECALL FUEL PRESSURE REGULATOR. *MJ Read More »

    ELECTRICAL SYSTEM:WIRING

    • TSB #57

      Date Announced:
      JUL 01, 2003
      NHTSA ID:
      #10016464

      WIRE HARNESS MAY BE STRETCHED, OR THE PCS MAY NOT BE ORIENTED IN THE SAME POSITION, AFTER INSTALLING A SERVICE REPLACEMENT VALVE BODY ASSEMBLY. GM TECH LINK. *TT Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #PIP4723C

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157018

      This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »

    • TSB #PIP4723B

      Date Announced:
      FEB 22, 2017
      NHTSA ID:
      #10113443

      This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »

    VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

    • TSB #839607

      Date Announced:
      OCT 01, 1998
      NHTSA ID:
      #602985

      COMMENTS ON SWITCHING BETWEEN LOCAL STATIONS OR CROSS TALK IN METROPOLITAN AREAS WITH SEVERAL STRONG AM STATIONS. *YC Read More »

    STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS

    • TSB #PI0281D

      Date Announced:
      JAN 01, 2014
      NHTSA ID:
      #10190933

      Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Read More »

    • TSB #PI0281D

      Date Announced:
      JAN 01, 2014
      NHTSA ID:
      #10190934

      Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Read More »

    STRUCTURE:BODY

    • TSB #03232004

      Date Announced:
      MAR 23, 2004
      NHTSA ID:
      #10013044

      THIS IS A FIX IT RIGHT THE FIRST TIME REMINDER GOING OUT TO BUICK DEALERS REGARDING ASHTRAYS THAT ARE EITHER DIFFICULT TO OPEN OR WILL NOT STAY CLOSED. *TT Read More »

    STRUCTURE:BODY:DOOR

    • TSB #990864025

      Date Announced:
      OCT 01, 1999
      NHTSA ID:
      #6088946

      SUBJECT REGARDING WIND NOISE AT DRIVER'S FRONT SIDE DOOR B-PILLAR AREA. *TT Read More »

    • TSB #990864007

      Date Announced:
      MAY 01, 1999
      NHTSA ID:
      #606010

      SOME CUSTOMERS MAY COMMENT THAT THE FRONT AND / OR REAR DOOR TRIM PANEL WILL COME LOOSE OR SEPARATES FROM THE TOP OF THE DOOR AT THE INNER SEALING STRIP. *TT Read More »

    VEHICLE SPEED CONTROL

    • TSB #050604058

      Date Announced:
      SEP 01, 2005
      NHTSA ID:
      #10017568

      INTERMITTENT CHUGGLE OR FISHBITE ON LIGHT ACCELERATION OR A HIGHWAY SPEEDS WITH NO DIAGNOSTIC TROUBLE CODES (DTCS). *TT Read More »

    • TSB #990604045

      Date Announced:
      OCT 01, 1999
      NHTSA ID:
      #6088955

      SUBJECT REGARDING LOW POWER / STUMBLE WHEN ACCELERATING IN TURNS OR STRAIGHT LINE. *TT Read More »

    TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

    • TSB #PIP4723C

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157018

      This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »

    WHEELS

    • TSB #99-08-51-007F

      Date Announced:
      FEB 01, 2014
      NHTSA ID:
      #10190931

      Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Read More »

    • TSB #99-08-51-007F

      Date Announced:
      FEB 01, 2014
      NHTSA ID:
      #10190932

      Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Read More »

    EQUIPMENT

    • TSB #PIC4696D

      Date Announced:
      SEP 05, 2019
      NHTSA ID:
      #10165876

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Read More »

    • TSB #PIC4696C

      Date Announced:
      MAY 31, 2018
      NHTSA ID:
      #10141381

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Read More »

    • TSB #PIP4723C

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157018

      This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »

    • TSB #PIP5346

      Date Announced:
      NOV 02, 2015
      NHTSA ID:
      #10115081

      This Preliminary Information communication provides information to the technician about cooler line fittings that come with the 4T65E General Motors remanufactured transmission may not be the same as Original equipment manufacturer quick ... Read More »

    • TSB #99-08-51-007F

      Date Announced:
      FEB 01, 2014
      NHTSA ID:
      #10190931

      Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Read More »

    • TSB #99-08-51-007F

      Date Announced:
      FEB 01, 2014
      NHTSA ID:
      #10190932

      Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Read More »

    EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES

    • TSB #PIC4696E

      Date Announced:
      NOV 22, 2019
      NHTSA ID:
      #10168979

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Read More »

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #PIC4696E

      Date Announced:
      NOV 22, 2019
      NHTSA ID:
      #10168979

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Read More »

    • TSB #PIC4696C

      Date Announced:
      MAY 31, 2018
      NHTSA ID:
      #10141381

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Read More »

    • TSB #16NA260

      Date Announced:
      AUG 26, 2016
      NHTSA ID:
      #10082506

      THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE MEDIA DISC PLAYER WITH THE LATEST CALIBRATIONS TO CORRECT A CONDITION OF THE REAR ENTERTAINMENT SYSTEM NOT OPERATING AS INTENDED IN COLDER AMBIENT TEMPERATURE AREAS DUE TO ... Read More »

    EQUIPMENT:OTHER:LABELS

    • TSB #98068

      Date Announced:
      JUL 01, 1999
      NHTSA ID:
      #606063

      PRODUCT EMISSION CAMPAIGN REGARDING VEHICLES WITH AN INCORRECT VEHICLE EMISSION CONTROL LABEL. *TT Read More »

    • TSB #98068

      Date Announced:
      JUL 01, 1999
      NHTSA ID:
      #606218

      CERTAIN VEHICLES WERE BUILT WITH INCORRECT VEHICLE EMISSION CONTROL LABELS. THE EMISSION CONTROL (TUNE-UP) LABELS HAVE AN INCORRECT EMISSION VACUUM HOSE ROUTING SCHEMATIC. *TT Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #17-NA-073

      Date Announced:
      FEB 21, 2023
      NHTSA ID:
      #10232287

      This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »

    • TSB #Recalls

      Date Announced:
      JUN 30, 2014
      NHTSA ID:
      #10248444

      Vehicle Recalls Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #PIC4696C

      Date Announced:
      MAY 31, 2018
      NHTSA ID:
      #10141381

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Read More »

    • TSB #99-08-51-007F

      Date Announced:
      FEB 01, 2014
      NHTSA ID:
      #10190931

      Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Read More »

    • TSB #99-08-51-007F

      Date Announced:
      FEB 01, 2014
      NHTSA ID:
      #10190932

      Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Read More »

    • TSB #PI0281D

      Date Announced:
      JAN 01, 2014
      NHTSA ID:
      #10190933

      Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Read More »

    • TSB #PI0281D

      Date Announced:
      JAN 01, 2014
      NHTSA ID:
      #10190934

      Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Read More »

    UNKNOWN OR OTHER

    • TSB #020730014A

      Date Announced:
      JUL 01, 2002
      NHTSA ID:
      #635006

      INFORMATION ON SERVICING 4T65-E TRANSAXLE SPACER PLATE AND GASKETS FOR VARIOUS MODELS FROM 1997 THROUGH 2002. *TT Read More »

    • TSB #020730014

      Date Announced:
      APR 01, 2002
      NHTSA ID:
      #634997

      INFORMATION ON SERVICING 4T65E TRANSAXLE SPACER PLATE AND GASKETS. *TT Read More »

    • TSB #32

      Date Announced:
      FEB 01, 2001
      NHTSA ID:
      #623615

      INFORMATION REGARDING EXTRA CLIPS IN THE 4T65E TRANSMISSION. *SLC Read More »