SUSPENSION

• TSB #98833005

  Date Announced:

  OCT 01, 1998

  NHTSA ID:

  #602751

  SOME CUSTOMERS MAY COMMENT THAT THE VEHICLE Read More »

SERVICE BRAKES, HYDRAULIC:POWER ASSIST

• TSB #970501735019

  Date Announced:

  MAY 01, 1997

  NHTSA ID:

  #53015

  WHEN BRAKES ARE DEPRESSED FORCE OR ENGINE LOAD MAY AFFECT AND CAUSE VARIOUS NOISES. *YC 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 #776110

  Date Announced:

  JUN 01, 1997

  NHTSA ID:

  #52573

  ENGINE OIL LEVEL INDICATES OVER FULL (REPLACE OIL LEVEL INDICATOR TUBE ASSEMBLY). *TW Read More »

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

• TSB #9874T60E04

  Date Announced:

  OCT 01, 1998

  NHTSA ID:

  #602997

  SOME VEHICLES MAY EXPERIENCE VEHICLE SURGING AT 72 TO 89 KM/H ( 45 TO 55 MPH ). *YC Read More »

• TSB #9709016116A

  Date Announced:

  SEP 01, 1997

  NHTSA ID:

  #54327

  COMMENTS OF AN ENGINE OIL LEAK THAT APPEARS TO ORIGINATE TOWARD THE DRIVER'S SIDE OF THE VEHICLE; REAR OF ENGINE. *YC Read More »

ENGINE AND ENGINE COOLING:COOLING SYSTEM

• TSB #010601007

  Date Announced:

  SEP 01, 2007

  NHTSA ID:

  #619176

  ENGINE COOLANT CONSUMPTION OR COOLANT LEAK (INSPECT FOR MATERIAL DEGRADATION/REPLACE INTAKE MANIFOLDS) *TT UPDATED 11/02/07 *NJ Read More »

• TSB #010601007A

  Date Announced:

  JUL 01, 2001

  NHTSA ID:

  #620835

  EXPERIENCING EXCESSIVE ENGINE COOLANT CONSUMPTION, OR AN ENGINE COOLANT LEAK NEAR OR UNDER THE THROTTLE BODY AREA OF THE UPPER INTAKE MANIFOLD. *TT 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 »

FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

• TSB #738325

  Date Announced:

  DEC 01, 1997

  NHTSA ID:

  #600209

  CUSTOMERS MAY COMPLAIN THAT THE FUEL GAUGE REMAINS ON "FULL" TOO LONG. *TT Read More »

POWER TRAIN

• TSB #108150A

  Date Announced:

  DEC 01, 1996

  NHTSA ID:

  #50563

  SOME VEHICLES MAY DISPLAY A CONDITION AT 70 MPH WHERE THE SPEEDOMETER READS ABOUT 4 MPH FASTER OR SLOWER THAN HUD. *TW 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 »

• TSB #97080177715F

  Date Announced:

  AUG 01, 1997

  NHTSA ID:

  #54421

  EXPERIENCE A TRANSAXLE GEAR WHINE NOISE ON COAST DOWN OR LIGHT ACCELERATION. *YC 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 #877175

  Date Announced:

  NOV 01, 1998

  NHTSA ID:

  #602979

  SOME COMMENTS ON VEHICLE SURGE. *YC Read More »

• TSB #9774T65E02

  Date Announced:

  APR 01, 1997

  NHTSA ID:

  #52553

  HARSH GARAGE SHIFT, REVERSE TO DRIVE, HYDRA-MATIC 4T65-E TRANSAXLE. *TW Read More »

• TSB #677164

  Date Announced:

  FEB 01, 1997

  NHTSA ID:

  #51296

  INTERMITTENT NEUTRAL OR LOSS OF DRIVE AT HIGHWAY SPEEDS OR FROM FOURTH GEAR (REPLACE CONTROL VALVE BODY ASSEMBLY). *TW Read More »

• TSB #577106A

  Date Announced:

  DEC 01, 1996

  NHTSA ID:

  #50571

  COLD START RATTLE NOISE. *TW Read More »

POWER TRAIN:DRIVELINE

• TSB #9709017160A

  Date Announced:

  SEP 01, 1997

  NHTSA ID:

  #54344

  VEHICLES EQUIPPED WITH HARSH GARAGE SHIFT REVERSE TO DRIVE. *YC Read More »

POWER TRAIN:DRIVELINE:UNIVERSAL JOINT

• TSB #970801777155

  Date Announced:

  AUG 01, 1997

  NHTSA ID:

  #54285

  EXPERIENCING A TRANSAXLE GEAR WHINE NOISE ON COAST DOWN OR LIGHT ACCELERATION. *YC Read More »

• TSB #970501777160

  Date Announced:

  MAY 01, 1997

  NHTSA ID:

  #53022

  EXPERIENCING HARSH ENGAGEMENT FROM REVERSE TO DRIVE. *YC Read More »

POWER TRAIN:DRIVELINE:DRIVESHAFT

• TSB #577106A

  Date Announced:

  FEB 01, 1997

  NHTSA ID:

  #51497

  COLD START RATTLE NOISE (DIAGNOSIS/SERVICE PROCEDURE). *TW 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 #990730030

  Date Announced:

  DEC 01, 1999

  NHTSA ID:

  #6089996

  SOME VEHICLES EQUIPPED WITH HYDRA-MATIC 3T40, 4T60 OR 4T60-E TRANSXALES MAY COMMENT ON A GRINDING AND / OR GROWLING NOISE THAT IS NOTICEABLE WHEN IN PARK ON INCLINE. *TT Read More »

• TSB #98777155A

  Date Announced:

  APR 01, 1998

  NHTSA ID:

  #601052

  EXPERIENCING A TRANSAXLE GEAR WHINE NOISE ON COAST DOWN OR LIGHT ACCELERATION BETWEEN 20 AND 40 MPH. *YC Read More »

ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH

• TSB #638315

  Date Announced:

  JAN 01, 1997

  NHTSA ID:

  #51237

  CHECK GAGES LAMP ILLUMINATES WITH GAGE READING 1/4 TANK OF FUEL LEFT (REPLACE IPC CLUSTER). *TW Read More »

VISIBILITY:REARVIEW MIRRORS/DEVICES:INTERIOR

• TSB #731608

  Date Announced:

  JUN 01, 1997

  NHTSA ID:

  #52564

  EXCESSIVE VIBRATION OF ELECTROCHROMIC INSIDE REARVIEW MIRROR. *TW Read More »

SEAT BELTS:REAR/OTHER

• TSB #971101731615

  Date Announced:

  NOV 01, 1997

  NHTSA ID:

  #54205

  CONDITION WITH OUTER REAR SEAT BELTS ARE DIFFICULT TO FASTEN. *YC Read More »

STRUCTURE:BODY

• TSB #832006

  Date Announced:

  DEC 01, 1998

  NHTSA ID:

  #603085

  SOME CUSTOMERS MAY COMMENT THAT THERE IS CORROSION ( RUST ) APPEARING ON THE LEFT AND /OR RIGHT ROCKER PANEL(S). *YC Read More »

• TSB #98831519

  Date Announced:

  OCT 01, 1998

  NHTSA ID:

  #602759

  REAR COMPARTMENT LID DIFFICULT TO CLOSE. *YC Read More »

• TSB #831704

  Date Announced:

  OCT 01, 1998

  NHTSA ID:

  #602983

  CONCERNS OF DOOR HANDLES ON WHITE PAINTED VEHICLES TRUNING YELLOW. *YC Read More »

STRUCTURE:BODY:DOOR

• TSB #971101631041

  Date Announced:

  NOV 01, 1997

  NHTSA ID:

  #54065

  COMMENTS ON INOPERATIVE POWER DOOR LOCKS (FRONT AND/OR REAR DOORS). 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 »

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

• 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 »

• TSB #549001A

  Date Announced:

  MAR 01, 1997

  NHTSA ID:

  #52600

  CLN INDICATOR APPEARS ON RADIO DISPLAY AND DOES NOT TURN OFF (RESET CLN INDICATOR WITH THE EJECT BUTTON ON TAPE). *TW Read More »

EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

• TSB #010844005A

  Date Announced:

  OCT 01, 2004

  NHTSA ID:

  #10012745

  INFORMATION ON ERROR CODES ON RADIO DISPLAY THEIR CAUSE AND CORRECTIVE ACTION. *EH Read More »

EQUIPMENT:APPLIANCE:AIR CONDITIONER

• TSB #731207

  Date Announced:

  MAR 01, 1997

  NHTSA ID:

  #52603

  INTERMITTENT A/C SYSTEM THUMP NOISE ON INITIAL START UP FROM FRONT PASSENGER SIDE FLOOR PANEL (REPLACE ACCUMULATOR). *TW Read More »

• TSB #631218

  Date Announced:

  JAN 01, 1997

  NHTSA ID:

  #51240

  A/C SYSTEM FLUTTER AND/OR MOAN NOISE WITH HVAC IN A/C MODES. *TW 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 #98848301

  Date Announced:

  JUN 01, 1998

  NHTSA ID:

  #601905

  COMMENT THAT THE VEHICLE'S COMPASS DISPLAY IS TOO DIM, HAS AN UNEVEN DISPLAY OR NO DISPLAY. *YC Read More »

• TSB #971101739015

  Date Announced:

  NOV 01, 1997

  NHTSA ID:

  #54062

  COMMENTS ON INSUFFICIENT RANGE OF THE KEYLESS ENTRY SYSTEM. *YC Read More »

Browse Other Bonneville Years