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Service bulletins for the 2005 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.

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

By type

By component

By trouble code

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
3420A2005-10-20. Service bulletin. POWER TRAIN. PING, POP OR CLICK NOISE FROM UNDER THE REAR. *SC
33692005-05-11. Service bulletin. POWER TRAIN. TO BETTER UNDERSTAND SPRAG DAMAGE AN ENGINEERING INVESTIGATION IS BEING CONDUCTED. TYPICAL SYMPTOMS INCLUDE NO FORWARD MOVEMENT IN D4 OR D3 SHIFT LEVER POSITION. MOVEMENT CAN BE OBTAINED IN D2, D1 OR REVERSE. *TT
33632005-05-11. Service bulletin. POWER TRAIN. 4L60E/4L65E NO REVERSE. *TT
3335A2005-05-11. Service bulletin. POWER TRAIN. INVESTIGATION OF PUMP AREA LEAKS. *TT
33512005-05-11. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). INTERMITTENT MALFUNCTION INDICATOR LAMP (MIL) WITH DIAGNOSTIC TROUBLE CODE (DTC) C0374 OR ERRATIC 4WD/AWD OPERATION. *TT
33002005-04-21. Service bulletin. POWER TRAIN:DRIVELINE. 4WD MODELS WITH NOISE, VIBRATION ON DRY PAVEMENT. *EH
33092005-04-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INVESTIGATION OF EXTENSION SEAL LEAKS ON 4L60E AUTOMATIC TRANSMISSION. *TT
0407300412005-03-12. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SERVICE ENGINE SOON (SES) LIGHT ON, DIAGNOSTIC TROUBLE CODE (DTC) P0741, HARSH SHIFT, CRUISE CONTROL INOPERATIVE. *TT
0406040722005-03-12. Service bulletin. POWER TRAIN:DRIVELINE. DRIVELINE CLUNK HEARD/FELT WHEN APPLYING OR RELEASING THROTTLE QUICKLY. *TT UPDATE. *TT
32352005-01-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ENGINEERING INVESTIGATION ON THE NEW TRANSMISSION CONTROL MODULE. *EH
0407300352005-01-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. RELEASE OF REAR TRANSMISSION MOUNT SEPARATE FROM EXHAUST MOUNT. *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
31372004-12-02. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SERVICE 4WD LIGHT ON AND NO COMMUNICATION WITH TRANSFER CASE CONTROL MODULE. *EH
31702004-12-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. HARSH 1-2 SHIFT. *EH
0304190022003-04-15. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SQUEAK, SQUEAL OR WHISTLE NOISE FROM FRONT AXLE. *TT
0304170022003-04-15. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. WHINE NOISE FROM REAR AXLE. *TT
020730024A2002-10-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT

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