2004 Chevrolet Express Technical Service Bulletins

510 technical service bulletins (TSBs) are on record for the 2004 Chevrolet Express. 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.

• 10024345Feb 1, 2008Transmission and drivetrain, Suspension. Eaton locking differential chatter shudder noise on turns, equipped with a locking rear differential rpo g80. *nj updated 7/17/2008.
• 10024344Feb 1, 2008Engine cooling. Possible engine oil leak due to pcv freeze-up, equipped with the 4.8, 5.3, 6.0, and 6.2 v-8 engines.
• 10022928Jan 1, 2008Steering. Steering wheel shake and/or tire wear (inspect steering linkage). *nj updated 4/11//08.
• 10023995Dec 1, 2007Transmission and drivetrain. Transfer case front input shaft seal is popped out. Equipped with (awd).
• 10017067Dec 1, 2007Electrical system. Stabilitrak disable switch is inoperative. *tt updated 2/27/08.
• 10096433Sep 18, 2007Equipment, Body and structure. Merlin multiplex system when a proer/ground lug is not correctly tightened or becomes loose for any reason; erratic system operation is possible.
• 10023584Sep 1, 2007Electrical system. Engine compartment fuse block cover on some 2003-2007 chevrolet express and gmc savana vehicles may break when the cover is removed, allowing water and road contaminates to enter the fuse block.
• 10020818Jul 1, 2007Engine cooling. Diagnostic information for noise in steering and inspection of idler arm bracket. *kb updated on 09/19/07.
• 10022537May 1, 2007Steering. Steering idler arm attaching bracket fracture.
• 10021851May 1, 2007Body and structure. Various rear sliding door conditions.
• 10021019Feb 22, 2007Transmission and drivetrain. Slip condition in 2nd, 3rd, or 4th. Damaged 2-4 or 3-4 clutch. *kb updated 10/31/07.
• 10020954Oct 1, 2006Brakes. Hydro-boost unit/power brake booster appears to be leaking.
• 10020952Oct 1, 2006Body and structure. Side cargo door is hard to open. Install new hinge pins.
• 10020489Sep 27, 2006Transmission and drivetrain. Engine with a repeat cracked flywheel.
• 10020221Aug 19, 2006Brakes. Abs and traction off lights comes on intermittently. *tt updated 03-01-07.
• 10017390Aug 1, 2006Engine cooling. Crank and no start, reduced power, intermittent hesitation, hesitates in high altitude/high ambient temperatures.
• 10020072Jul 19, 2006Engine cooling. Turbocharger oil feed line kinked or restricted.
• 10019426Mar 15, 2006Engine cooling. Generation iii v8 engine piston repairs.
• 10019186Feb 16, 2006Exterior lighting, Interior lighting. Ipc, interior lights and/or headlamps flicker. *ak fb2
• 10018925Jan 25, 2006Electrical system. Installing trailer wiring harness without the z82 option.
• 10018924Jan 25, 2006Electrical system. Harness location for trailer brake installation rpo z82 and/or uy7.
• 10017243Oct 29, 2005Transmission and drivetrain. Replacement two piece propshaft information. Vibration while driving.
• 10017186Oct 27, 2005Electrical system. Instrument panel cluster will not illuminate in drl mode.
• 10017154Oct 26, 2005Engine cooling. Supplement to 03-06-01-024b 4.3l lu3 l35 timing chain tensioner. Rattle-type noise coming from the engine at approximately 1800 to 2200 rpms.
• 10017145Oct 26, 2005Transmission and drivetrain. 4l80e/4l85e harsh shift or slip no tcc apply.
• 10017141Oct 26, 2005Engine cooling. Upper radiator hose may have a coolant leak, because it has rubbed through on the fan shroud.
• 10017023Oct 21, 2005Electrical system. Additional diagnostic information dtc p0757.
• 10017016Oct 21, 2005Fuel system, Other or unknown. Highway speed excessive smoke and fuel knock.
• 10016711Sep 28, 2005Brakes. Anti-lock braking system (abs) light on speedometer may be erratic. Diagnostic trouble code (dtc) c0055 c0235 c0236 or c0237 stored in the ebcm. *tt 1998-2008 all chevrolet, gmc, buick, and oldsmobile mid-sized trucks and utilities. 1998-2008 all chevrolet, gmc, and cadillac full sized trucks and utilities. *kb updated on 09/20/07.
• 10015018Sep 1, 2005Equipment. Information on upgrading certain onstar generation 5 analog/digital-ready systems to onstar generation 6 dual-mode (analog/digital).
• 10014953May 12, 2005Transmission and drivetrain. Rear axle retainer button breakage.
• 10014899May 11, 2005Steering. Steering idler arm inspection procedure.
• 10014888May 11, 2005Body and structure. The sliding door is hard to open or will not open.
• 10014870May 11, 2005Engine cooling. 1999 - 2005 gen ii cold engine misfire at idle with possible p0171 and/or p0174.
• 10017409May 1, 2005Engine cooling. Oil leak under extreme cold temperatures (-34 degrees c) (-30 degrees f) or colder).
• 10017354May 1, 2005Transmission and drivetrain. 4l60-e/4l65-e automatic transmission second gear start, lack/loss of power when accelerating from a stop.
• 10013536Apr 21, 2005Suspension. Clunk pop noise in the front suspension over bumps.
• 10013502Apr 20, 2005Fuel system. Rust found in the injector inlet filter during injector repairs.
• 10013496Apr 20, 2005Transmission and drivetrain. 4l80e output carrier thrust washer changes.
• 10013493Apr 20, 2005Engine cooling. Coolant leak from the lower radiator hose.
• 10014845Mar 10, 2005Steering. Steering gear whistle noise on turns.
• 10015005Mar 1, 2005Engine cooling. Revised inspection/maintenance (I/m) evaporative emission (evap) system set procedure.
• 10014945Mar 1, 2005Suspension. Revised front caster and camber adjustment procedure. Original not yet received.
• 10017322Feb 1, 2005Brakes. Diagnostic information on antilock brake system (abs) diagnostic trouble code(s) (dtc) c0035, c0040, c0050, c0055 and/or p0609.
• 10016395Feb 1, 2005Engine cooling. Coolant leak from the lower radiator hose.
• 10011753Jan 31, 2005Transmission and drivetrain. Leak from the vent 4l80e/4l85e transmission.
• 10012742Oct 1, 2004Body and structure. Sunvisor is wet, puddling water on floor.
• 10013055Aug 19, 2004Transmission and drivetrain. Transmission shift cable assembly that may separate.
• 10011208Aug 1, 2004Engine cooling. Coolant leak at cap of coolant recovery reservoir.
• 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

← All problems reported for the 2004 Chevrolet Express