WenmarOpen by Wenmar Pro

Service bulletins for the 2002 Pontiac Bonneville

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

409 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
00222A2003-11-18. Service bulletin. SERVICE BRAKES, HYDRAULIC. UNEVEN RIGHT FRONT BRAKE WEAR WITH THE RIGHT FRONT OUTBOARD PAD BEING WORN AN AMOUNT INCONSISTENT WITH THE REST OF THE FRONT BRAKE PADS. *TT
0708032003-11-03. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. THE VME MESSAGE IS TO PROVIDE INFORMATION ABOUT A NEW PRODUCT FIELD ACTION REGARDING A CUSTOMER SATISFACTION PROGRAM FOR AN ENGINE COOLANT LEAK. THE ENGINE COOLANT MAY LEAK AT THE UPPER INTAKE MANIFOLD THROTTLE BODY GASKET OR AT THE UPPER INTAKE MANIFOLD TO LOWER INTAKE MANIFOLD GASKET. *TT
0630032003-10-29. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. INFORMATION ABOUT AN UPCOMING PRODUCT SAFETY RECALL REGARDING VEHICLES EQUIPPED WITH HIGH OUTPUT ENGINES HAVING A FUEL TANK PRESSURE SENSOR THAT MAY MALFUNCTION. *TT
0607032003-10-29. Service bulletin. UNKNOWN OR OTHER. TECHNICAL TELECAST REGARDING CONNECTOR ISSUES, P0573; AIR CONDITIONER COMPRESSOR FAILURE; MEDTRONIC TESTER; 02 SENSOR; CLUNK NOISE ON 2/3 UP SHIFT, 3/2 DOWNSHIFT, AND P0440 FUEL CAP ISSUES. *TT
030342003-10-20. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE COOLANT MAY LEAK AT THE UPPER INTAKE MANIFOLD THROTTLE BODY GASKET, OR AT THE UPPER INTAKE MANIFOLD TO LOWER INTAKE MANIFOLD TO LOWER INTAKE MANIFOLD GASKET. THIS CONDITION MAY RESULT IN A LOW ENGINE COOLANT LEVEL AND HIGHER ENGINE OPERATING TEMPERATURES. *TT
010846002C2003-09-26. Service bulletin. EQUIPMENT. PROGRAMMING OF REPLACEMENT ONSTAR VEHICLE COMMUNICATION AND INTERFACE MODULES (VCIM). *TT
0307300172003-08-27. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. GRIND NOISE OR NO VEHICLE MOVEMENT WHEN SHIFTING INTO DRIVE OR REVERSE. *TT
0308500122003-08-27. Service bulletin. STRUCTURE:BODY. CUPHOLDER ASSEMBLY AND REPLACEMENT PROCEDURE AVAILABLE FOR FRONT SEAT STORAGE ARMREST. *TT
0306010162003-08-26. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. LOSS OF COOLANT, MILKY COLORED OIL. *TT
0306040302003-08-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MULTIPLE DRIVEABILITY SYMPTOMS OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE DUE TO CLOGGED FUEL INJECTORS. *TT
990603009A2003-04-26. Service bulletin. ENGINE AND ENGINE COOLING. FLOOR PAN CORROSION PERFORATION IN BATTERY COMPARTMENT. *TT UPDATE *EH
000310007E2003-04-26. Service bulletin. SUSPENSION. SHAKE/VIBRATION IN STEERING WHEEL, FLOOR, SEAT AT HIGHWAY SPEEDS ON SMOOTH ROADS. *TT UPDATE. *TT
0308500062003-04-15. Service bulletin. SEATS. UNCOMFORTABLE FRONT SEAT CUSHIONS. *TT
010851004A2003-04-05. Service bulletin. STRUCTURE:BODY:HOOD. PREMATURE ALUMINUM HOOD CORROSION / BLISTERING. *TT
0208500092003-02-27. Service bulletin. SEATS. FRONT SEATS UNCOMFORTABLE/HARD IN LUMBAR AREA. *TT
010850012A2003-02-27. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. FRONT HEATED SEAT INOPERATIVE / COLD. *TT
000866003A2003-02-10. Service bulletin. STRUCTURE:BODY. REAR COMPARTMENT SEAT BACK TRIM PANEL ATTACHMENT ARMS / STRAPS SAG OR TRIM PANEL IS LOOSE. *TT
1607022002-11-22. Service bulletin. STRUCTURE:BODY:TRUNK LID. SOME VEHICLES MAY EXPERIENCE A CONDITION WHERE THE CLOSEOUT PANEL INSIDE THE TRUNK, BETWEEN THE TRUNK AND THE REAR SEAT, MAY FALL DOWN. *TT
0706022002-11-21. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. REPORTS OF INOPERATIVE SUNROOFS WHEN DIAGNOSTIC PROCEDURES DOES NOT IDENTIFY A CAUSE. *TT
0514022002-11-12. Service bulletin. SEATS. OWNER COMPLAINTS OF AN UNCOMFORTABLE SEAT CUSHION, BOTH ON THE DRIVER AND PASSENGER SIDES OF THE BUCKET SEATS. *TT
0207300022002-10-16. Service bulletin. UNKNOWN OR OTHER. SOME CUSTOMERS MAY COMMENT THAT THE SERVICE ENGINE SOON (SES) INDICATOR IS ILLUMINATED AND THAT WHILE THE LIGHT IS ILLUMINATED, TRANSMISSION SHIFTS ARE EXTREMELY HARSH. *TT
020730014A2002-10-15. Service bulletin. UNKNOWN OR OTHER. INFORMATION ON SERVICING 4T65-E TRANSAXLE SPACER PLATE AND GASKETS FOR VARIOUS MODELS FROM 1997 THROUGH 2002. *TT
0207300142002-10-11. Service bulletin. UNKNOWN OR OTHER. INFORMATION ON SERVICING 4T65E TRANSAXLE SPACER PLATE AND GASKETS. *TT
00310007B2002-10-11. Service bulletin. SUSPENSION. TECHNICAL INFORMATION REGARDING SHAKE / VIBRATION IN STEERING WHEEL, FLOOR, SEAT AT HIGHWAY SPEEDS ON SMOOTH ROADS. *TT
000730002B2002-10-11. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. CONCERNS WITH SLIPS, HARSH UPSHIFT OR GARAGE SHIFTS, LAUNCH SHUDDERS, FLARES, ERRATIC SHIFTS AND INTERMITTENT CONCERNS, DIAGNOSTIC TROUBLE CODE P1811 OR P0748 SET. *TT

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.