WenmarOpen by Wenmar Pro

Service bulletins for the 2007 Chevrolet Trailblazer

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
0606040482007-01-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.2L LL8 ENGINE FLASHING AND/OR MIL/SES LIGHT. ROUGH IDLE, MISFIRE. DTC P0300, P0301, P0302, P0303, P0304, P0305, AND P0306. *KB
41082007-01-25. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. TRANSMISSION SHIFT INDICATOR ADJUSTMENT. *KB
0608450062007-01-24. Service bulletin. ELECTRICAL SYSTEM:WIRING. INFORMATION TO CLARIFY THE INSTALLATION OF TRAILER WIRING HARNESS. *KB UPDATED 04-04-07. *KB
38322006-02-22. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP; SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT. ABS, RED BRAKE ,SVC AND 4WD LIGHT ON HVAC BLOWER INOPERATIVE. *AK UPDATED 1/30/08. *NJ
05-04-21-0032005-11-09. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). SERVICE 4WD LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) C0374 SET. *TT UPDATED 10/05/07. *NJ INSPECT WIRING HARNESS TO TRANSFER CASE SPEED SENSORS, REPLACE WIRING HARNESS. UPDATED 7/18/08 *PE
34242005-11-02. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). ELECTRONIC TRANSFER CASE UNABLE TO COMPLETE SHIFT. *TT
32222004-12-03. Service bulletin. SUSPENSION:FRONT:SPRINGS:COIL SPRINGS; POWER TRAIN. INTERMITTENT BOOM, RUMBLING NOISE AT HIGHWAY SPEED. *TT UPDATED 2/27/08. *NJ
32082004-12-02. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. 4WD INOPERATIVE AND OR ERRATIC FUEL GAUGE AND OR DIAGNOSTIC TROUBLE CODE'S. *EH
0108660072004-11-22. Service bulletin. INTERIOR LIGHTING; STRUCTURE:BODY:HATCHBACK/LIFTGATE. CENTER HIGH-MOUNT STOP LAMP (CHMSL) APPLIQUE LOOSE (RE-TAPE APPLIQUE) *TT UPDATED 11/02/07 *NJ
31542004-11-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MISFIRE, BUMP OR MULTIPLE BUMPS AFTER A 1-2 UPSHIFT. *TT
31162004-11-05. Service bulletin. ELECTRICAL SYSTEM. ENGINE STALLS WHEN AIR CONDITIONING IS TURNED ON AT IDLE. (TO INCLUDE 2005 CHEVROLET TRAILBLAZER, 2005 OLDSMOBILE BRAVADA, AND BUICK RAINIER) *SC UPDATED 01-26-07. *KB
3046A2004-09-27. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL. *TT
0406030052004-08-13. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE. PROPER CONNECTION INFORMATION TO AVOID BLOWN 125 AMP FUSE AND VARIOUS INTERIOR ELECTRICAL SYSTEM CONDITIONS WHEN JUMP STARTING VEHICLE. *TT
0308640062003-04-25. Service bulletin. STRUCTURE:BODY:DOOR. DOORS HARD TO CLOSE. *TT UPDATED 07-24-07. *KB
0304170022003-04-15. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. WHINE NOISE FROM REAR AXLE. *TT

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