2004 Chevrolet TrailblazerService bulletins
2004 Chevrolet Trailblazer Technical Service Bulletins
525 technical service bulletins (TSBs) are on record for the 2004 Chevrolet Trailblazer. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.
- 10011217Aug 1, 2004Transmission and drivetrain. Release of rear transmission mount separate from exhaust mount.
- 10011209Aug 1, 2004Fuel system. Vehicle is difficult to fill with fuel or filling station pump shuts off before tank is full or fuel spits back/out when filling tank.
- 10011205Aug 1, 2004Engine cooling. Higher than normal engine coolant temperature gauge readings.
- 10011191Aug 1, 2004Visibility (wipers, defrost, mirrors). Hvac blower motor inoperative or stays running.
- 10013185Jul 8, 2004Engine cooling. Higher that perceived normal engine coolant temperature gauge readings when operating the vehicle in very high out side ambient temperatures and in stop and go or slow moving traffic conditions.
- 10014251Jul 1, 2004Equipment. Oil life system reset procedures-trucks. Buick terazza 2005, gmc sierra denali 2002-2003, gmc b7 chassis medium duty 2003-2005 and gmc 560 c-series 2003-2005
- 10012114Jul 1, 2004Engine cooling. Service engine soon light on p0133, p0172.
- 10012109Jul 1, 2004Engine cooling. New cylinder bore liner/piston sleeve replacement procedure.
- 10012546Jun 1, 2004Body and structure. Rear license plate pocket parts new available individually.
- 10012538Jun 1, 2004Body and structure. Liftgate glass unlatches on rough/bumpy road surfaces. This bulletin replaces previous bulletin number 04-08-66-004.
- 10012537Jun 1, 2004Body and structure. Rattle noise under hood.
- 10012163Jun 1, 2004Engine cooling. Unable to reset engine oil life monitor.
- 10012157Jun 1, 2004Body and structure. Front fascia wavy. This service bulletin replaces 020862004.
- 10012153Jun 1, 2004Engine cooling. Service engine soon light on, p1680.
- 10013212May 6, 2004Engine cooling. S engine possible false code dtc p0172.
- 10012605May 1, 2004Transmission and drivetrain. Harsh garage shift from park to drive or from park to reverse with transmission fluid at cold ambient temperatures.
- 10012585Apr 1, 2004Brakes. Revised rear brake caliper bracket mounting bolt fastener specification.
- 10013019Mar 9, 2004Equipment. Popping noise heard through the speaker systems when the rear seat audio is turned on or off.
- 10012992Feb 12, 2004Equipment. Inadequate hvac for passengers seated in the second and third row.
- 10012703Feb 1, 2004Engine cooling. Diagnostic information for intermittent vehicle no crank dead battery.
- 10012696Feb 1, 2004Transmission and drivetrain. Diagnostic trouble code (dtc) c0379 set, service 4wd light on, 4wd inoperative.
- 10011130Jan 1, 2004Transmission and drivetrain. Rattle type noise coming from under the vehicle.
- 10013261Nov 20, 2003Transmission and drivetrain. Rattle noise underneath the vehicle or an automatic transmission fluid leak.
- 10016220Oct 1, 2003Engine cooling. 2004 secondary air injection system- in 6 cylinder engine incorporates a new air pump and an electronic air shut off valve.
- 10012548Jul 1, 2003Equipment. Vehicle content changes for the 2004 model year.
← All problems reported for the 2004 Chevrolet Trailblazer
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.