1999 GMC Envoy
TSBs (Technical Service Bulletins)
Technical Service Bulletins (TSBs) for the 1999 Envoy are official communications between GMC & 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.
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		TSB #SB-06-02-32-013BSAAB/HUMMER/GM: DIAGNOSTIC TIPS/RECOMMENDATIONS WHEN POWER STEERING PUMP REPLACEMENT IS NECESSARY. ANALYSIS OF RETURNED POWER STEERING (PS) PUMPS THAT HAD BEEN REPLACED FOR NOISE, NO POWER ASSIST, NO OR LOW PRESSURE AND LEAKING ... Read More » 
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		TSB #02015POP SNAP NOISE IN THE FRONT SUSPENSION WHEN BRAKING. *MR Read More » 
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		TSB #PIP4723FThis 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 » 
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		TSB #270901SUBJECT REGARDING NECESSARY RESURFACING OF THE PARK BRAKE DRUM. *JG Read More » 
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		TSB #020525006ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS. *TT Read More » 
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		TSB #020525006AANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS ON VARIOUS MODELS INCLUDING THE 1995 AND 1996 ENVOY. *TT Read More » 
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		TSB #040603002DIAGNOSTIC INFORMATION FOR INTERMITTENT VEHICLE NO CRANK DEAD BATTERY. *EH Read More » 
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		TSB #990602012DSUBJECT REGARDING RUST IN COOLING SYSTEM, HEATER INOPERATIVE, BLOWS COLD AIR, ENGINE OVERHEATS (FLUSH COOLING SYSTEM). NLM Read More » 
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		TSB #130089009Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules Read More » 
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		TSB #020605002SOME CUSTOMERS MAY COMMENT ON AN EXHAUST BOOM / GROAN NOISE IN THE PASSENGER COMPARTMENT. *TT Read More » 
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		TSB #311001SOME VEHICLES MAY EXHIBIT AN EXHAUST NOISE, RATTLE NOISE AT 550 RPM. *TT Read More » 
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		TSB #PIP4723FThis 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 » 
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		TSB #PIP4723CThis 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 » 
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		TSB #05-06-04-035DThis informational bulletin provides the technician with information on what E85 fuel may due to a non E85 vehicle. Read More » 
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		TSB #PIT3046GThis Preliminary Information communication provides information to the technician about vehicles that have an inaccurate fuel gauge. Technician should drive the vehicle to duplicate the concern. Read More » 
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		TSB #PIT-3046EGMC: FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL, CAUSING THE LOW FUEL LIGHT TO ILLUMINATE. *PE Read More » 
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		TSB #3046AFUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL. *TT Read More » 
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		TSB #PIP5346This 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 » 
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		TSB #990730016ADIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN. *TT Read More » 
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		TSB #0307300564L60-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION. *TT Read More » 
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		TSB #020730024ADIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT Read More » 
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		TSB #PIP5346This 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 » 
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		TSB #01409THE NVG 136 ALL WHEEL DRIVE (AWD) TRANSFER CASE AND THE 236 AND 246 NVG SELECTABLE TRANSFER CASE SHUDDER ON TURNS. *TT Read More » 
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		TSB #990421003SOME OWNERS MAY COMMENT ABOUT A SLIPPING TYPE CONDITION AT THE FRONT WHEELS WHILE THE VEHICLE IS IN FOUR WHEEL DRIVE (4WD). *TT Read More » 
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		TSB #3012BTHE 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 » 
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		TSB #33494WD INOPERATIVE AND DIAGNOSTIC TROUBLE CODE (DTC) U1026 ATC FUSE OPEN. *TT Read More » 
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		TSB #3424ELECTRONIC TRANSFER CASE UNABLE TO COMPLETE SHIFT. *TT Read More » 
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		TSB #33004WD MODELS WITH NOISE, VIBRATION ON DRY PAVEMENT. *EH Read More » 
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		TSB #990421003CFRONT WHEELS SLIPPING WITH VEHICLE IN FOUR WHEEL DRIVE. *TT Read More » 
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		TSB #990421003BSOME OWNERS MAY COMMENT ON A SLIPPING TYPE CONDITION AT THE FRONT WHEELS WHILE THE VEHICLE IS IN FOUR WHEEL DRIVE (4WD). *TT Read More » 
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		TSB #PIP3720DThis Preliminary Information communication provides information to the technician with the axel setup information from American Axle Manufacturing. Read More » 
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		TSB #PIP4723DThis 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 » 
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		TSB #02038DIAGNOSTIC TROUBLE CODE B1000. *MR Read More » 
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		TSB #01642IPC (INSTRUMENT PANEL CLUSTER) GAUGE FLUCTUATION AFTER KEY-OFF. *TT Read More » 
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		TSB #02010IPC (INSTRUMENT PANEL CLUSTER) INTERIOR HEAD LAMPS FLICKER ON 99-04 CHEVROLET, GMC AND CADILLAC FULL SIZE TRUCKS AND UTILITIES AS WELL AS OTHER MODELS. *TT Read More » 
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		TSB #3170BINSTRUMENT PANEL CLUSTER INTERIOR AND/OR HEAD LAMPS FLICKER. *TT Read More » 
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		TSB #PIP4723CThis 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 » 
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		TSB #PIP4723BThis 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 » 
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		TSB #00502BDAYTIME RUNNING LAMPS (DRLS) TURN OFF TEMPORARILY WHILE THE TURN SIGNALS ARE ACTIVATED. *TT Read More » 
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		TSB #050842003HIGH INTENSITY DISCHARGE (HID) HEADLAMPS - DISPOSAL INSTRUCTIONS. *TTT Read More » 
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		TSB #3170CINSTRUMENT PANEL CLUSTER (IPC) INTERIOR AND/OR HEAD LAMPS FLICKER. *TC Read More » 
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		TSB #3170EIPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. *AK FB2 Read More » 
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		TSB #151200CUSTOMER MAY COMMENT THAT THE REARVIEW MIRRORS, POWER DOOR LOCKS AND REAR HATCH DO NOT OPERATE. *TT Read More » 
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		TSB #250101BRIEF INFORMATION CONCERNING THE OUTSIDE REARVIEW MIRRORS FOLDING RANDOMLY. *TT Read More » 
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		TSB #300800SUBJECT REGARDING THE NEW RECLINCER ASSEMBLY. *TT Read More » 
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		TSB #PI0281DUnderbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Read More » 
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		TSB #PI0281DUnderbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Read More » 
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		TSB #01136CCLUNK NOISE FELT THROUGH FLOOR PAN. *TT Read More » 
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		TSB #57WATER LEAK IN FRONT FLOOR CARPET AREA. GM TECH LINK. *TT Read More » 
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		TSB #4114CLUNK NOISE FELT THROUGH THE FLOOR PAN. *KB Read More » 
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		TSB #00100ON CERTAIN VEHICLES, THE CONSOLE COVER / ARMREST CAM LATCH COULD RELEASE AT LESS THAN THE 10 G VERTICAL LOAD REQUIREMENT OF THE STANDARD. *TT Read More » 
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		TSB #PIP4723CThis 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 » 
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		TSB #99-08-51-007FRefinishing 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 » 
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		TSB #99-08-51-007FRefinishing 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 » 
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		TSB #2010INSTRUMENT PANEL CLUSTER (IPC) INTERIOR HEAD LAMPS FLICKER. *TT Read More » 
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		TSB #3170EIPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. *AK FB2 Read More » 
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		TSB #17NA073This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More » 
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		TSB #PIC4696DThis 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 » 
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		TSB #17NA073This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More » 
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		TSB #PIC4696CThis 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 » 
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		TSB #PIP4723CThis 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 » 
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		TSB #PIP5346This 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 » 
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		TSB #99-08-51-007FRefinishing 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 » 
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		TSB #99-08-51-007FRefinishing 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 » 
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		TSB #PIC4696EThis 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 » 
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		TSB #PIC4696BThis 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 » 
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		TSB #PIC4696AThis 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 » 
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		TSB #PIC4696EThis 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 » 
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		TSB #PIC4696CThis 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 » 
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		TSB #16NA260THIS 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 » 
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		TSB #PIC4696AThis 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 » 
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		TSB #990844002SOME CUSTOMERS MAY COMMENT THAT THE CD CHANGER WILL NOT RELEASE WHEN DEPRESSING THE EJECT BUTTON. *TT Read More » 
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		TSB #17-NA-073This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More » 
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		TSB #17-NA-073This warranty administration bulletin provides policy information with the field action courtesy transportation policy. Read More » 
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		TSB #RecallsVehicle Recalls Read More » 
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		TSB #PIC4696CThis 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 » 
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		TSB #99-08-51-007FRefinishing 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 » 
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		TSB #99-08-51-007FRefinishing 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 » 
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		TSB #PI0281DUnderbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Read More » 
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		TSB #PI0281DUnderbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Read More » 
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		TSB #3176AHEAT COMING FROM VENTS WITH HVAC OFF. *TT Read More » 
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		TSB #060601INFORMATION REGARDING IMPROVED BUS SEAT DECLINER ASSEMBLIES, THE HANDLE ON THE RECLINER ASSEMBLY IS ATTACHED WITH A NUMBER 20 TORQUE WITH A SHANK LENGTH OF 20 MILLIMETERS. *SLC Read More » 
