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Service bulletins for the 2002 Buick Regal

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.

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

By type

By component

By trouble code

Bulletins, newest first
35002006-02-23. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT. ABS LIGHT ON AND POSSIBLE DIAGNOSTIC TROUBLE CODES. *AK
7092005-12-16. Service bulletin. SUSPENSION. TIE ROD SPECIFICATIONS REVISED. GM TECH LINK. *TT
7092005-12-15. Service bulletin. ENGINE AND ENGINE COOLING. OIL LIFE SYSTEM RESET PROCEDURES - CARS. GM TECH LINK. *TT
0506040582005-11-11. Service bulletin. VEHICLE SPEED CONTROL. INTERMITTENT CHUGGLE OR FISHBITE ON LIGHT ACCELERATION OR A HIGHWAY SPEEDS WITH NO DIAGNOSTIC TROUBLE CODES (DTCS). *TT
0502320032005-11-09. Service bulletin. STEERING. REVISED OUTER TIE ROD END NUT TIGHTENING SPECIFICATION/TIE ROD END JAM NUT TIGHTENING SPECIFICATION ADDED. *TT
35002005-11-01. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT. ABS LIGHT COMING ON AND CODES C1225, C1226, C1232, C1233, C1276 AND/OR C1277 ARE FOUND IN THE EBCM. *TT
3157A2005-10-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE WHINE OR BUZZ NOISE SOUNDS LIKE A GENERATOR TYPE NOISE ON 3.1L OR 3.8L ENGINES. *TT
055512005-10-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SPECIAL POLICY ADJUSTMENT-CATALYTIC CONVERTER. THE VEHICLE MAY EXPERIENCE A CONDITION WHERE THE VEHICLE'S EXHAUST CATALYTIC CONVERTER WAS REPLACED DUE TO THE COMPLAINTS OF LACK OF POWER OR ILLUMINATION OF THE MALFUNCTION INDICATOR LAMP. *SC
572005-09-13. Service bulletin. ELECTRICAL SYSTEM:WIRING. 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
34772005-05-11. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR. TECH 2 DISPLAYS ASTERISK FOR THE LEFT FRONT WHEEL SPEED SENSOR. *TT
08042005-04-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL LIFE SYSTEM RESET PROCEDURES - CARS. *NM
0406040242005-03-09. Service bulletin. ENGINE AND ENGINE COOLING. POWERTRAIN CONTROL MODULE WILL NOT PROPERLY COMMUNICATE ON BOARD DIAGNOSTIC FREEZE FRAME INFORMATION TO NONTECH2 SERVICE OR TEST EQUIPMENT. *EH
0405230022005-03-09. Service bulletin. SERVICE BRAKES, HYDRAULIC. BRAKE ROTOR MINIMUM ALLOWABLE THICKNESS AFTER REFINISH SPECIFICATION CORRECTION. *TT
0408420062005-03-08. Service bulletin. STRUCTURE:BODY. INOPERATIVE LEFT OR RIGHT FOG LAMP. *EH
0406040232005-03-08. Service bulletin. ENGINE AND ENGINE COOLING. POWERTRAIN CONTROL MODULE WILL NOT PROPERLY COMMUNICATE ON BOARD DIAGNOSTIC EGR TEST RESULT INFORMATION TO NON-TECH2 SERVICE OR TEST EQUIPMENT. *EH
0403080102005-02-17. Service bulletin. SUSPENSION. CHANGES TO LABOR TIME GUIDE RELATING TO FRONT SUSPENSION LABOR OPERATIONS COMPONENTS. *EH
020730013D2005-02-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INCORRECT TRANSMISSION SHIFTS POOR ENGINE PERFORMANCE HARSH 1-2 UPSHIFTS SLIPS 1ST AND REVERSE TORQUE CONVERTER CLUTCH STUCK OFF ON DIAGNOSTIC TROUBLE CODE P0730, P0756, P0757, P0741, P0742. *EH *TT
0406010212005-02-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. NEW REAR MAIN SEAL AND SPECIAL TOOL FOR INSTALLATION. *TT
0406020072005-01-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LOW ENGINE COOLANT LEVEL INDICATOR ALWAYS ON. *TT
31022004-11-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. SERVICE VME 01-04 VEHICLE EQUIPPED WITH 4T65E AUTOMATIC TRANSMISSION 4T65E TRANSMISSION VALVE BODY INSPECTION PROCEDURE. (TO INCLUDE 2004 PONTIAC AZTEC) *SC ALL 2001 - 2006 PASSENGER VEHICLES WITH 4T65E TRANSAXLE. *TT
30972004-11-05. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC SIDE TO SIDE TEMPERATURE DIFFERENCE. *SC
31292004-11-03. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. A/C EVAPORATOR FREEZING. *TC
30592004-10-08. Service bulletin. EQUIPMENT. WHEN USING ONSTAR PERSONAL CALLING FEATURE, THE CALLER CANNOT BE HEARD ON OUTBOUND CALL ONLY. *TT
30472004-10-08. Service bulletin. EQUIPMENT. 99 THROUGH 05 YEAR VEHICLES, EQUIPPED WITH THREE-BUTTON ONSTAR SYSTEMS. *TT
30522004-10-08. Service bulletin. EQUIPMENT. BREAKPOINTS FOR RELEASE 5 FOR THE F1 (GEN 5) EQUIPPED PRODUCTS. *TT

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