2004 Chevrolet Avalanche Technical Service Bulletins

168 technical service bulletins (TSBs) are on record for the 2004 Chevrolet Avalanche. 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.

• 10036464May 1, 2011Engine cooling. Buick/cadillac/chevrolet/gmc/hummer/pontiac/saab: oil consumption and/or exhaust smoke-possible pcv baffle or lifter concern. Upon inspection, obvious oil will be found in the intake manifold and/or pcv vacuum tube. *pe updated 3/21/11. *pe updated 5/9/11. *pe updated 5/25/11. *pe updated 06/16/2011. *kb updated a second time on 06/16/2011. *kb updated 6/27/11.
• 10022671Apr 1, 2011Steering. Gear box power steering pump, p/s performance concerns. *nj updated on 6/30/2011.
• 10038295Feb 1, 2011Other or unknown. Gm: information on fixing multiple situations right the first time.
• 10037933Jan 1, 2011Engine cooling. Gm: the service engine soon light is on, there is also a misfire or engine noise. There are multiple possible causes.
• 10036545Oct 1, 2010Steering. Buick/cadillac/chevrolet/gmc/oldsmobile and hummer: information on pitman arm shaft seal service kit. Do not replace entire steering gear for pitman seal leak. Technicians have been replacing entire steering gears due to not being able to service just leaking pitman shaft seal. *pe updated 5/9/11.
• 10018591Sep 1, 2009Brakes. Brake pedal assembly replacement bracket service kit. *tt updated 3/26/10.
• 10027804Nov 1, 2008Electrical system, Equipment. General motors corp: special coverage adjustment; analog onstar deactivation. *pe updated 2/17/09.
• 10026804Oct 1, 2008Transmission and drivetrain. Gmc: fluid leak from transmission oil cooler lines due to corrosion. All 2000-2006 light duty trucks equipped with the light duty automatic transmission.
• 10025770Sep 5, 2008Equipment. Some customers may comment on various hvac concerns including temperature doors defaulting to full hot position or unable to obtain defrost position.
• 10026805Sep 1, 2008Equipment. Buick chevrolet gmc service campaign: see document search button for owner letter. Special coverage adjustment-analog onstar deactivation. Csc letter was received.
• 10023585Sep 1, 2008Electrical system. Cadillac chevrolet gmc service campaign: see document search button for owner letter. Instrument panel cluster gauge needle function may cause inaccurate readings on some 2003-2004 cadillac, chevrolet, and gmc vehicles. *nj updated 2/5/08. *nj updated 9/5/08. *pe updated 11/4/08.
• 10026704Aug 1, 2008Fuel system. Gmc: fuel gauge fluctuation in park or neutral, causing the low fuel light to illuminate.
• 10026744Jun 1, 2008Seats, Electrical system. Gmc: sir mil dtc b0084 and/or b0085. This concern could be caused by broken seat position sensor circuits under the driver or passenger front seats. Over time, from repeated seat movement, the wiring could break.
• 10026586Jun 1, 2008Equipment. Buick cadillac chevrolet gmc hummer oldsmobile pontiac saab saturn service campaign: see document search button for owner letter. Special coverage adjustment-analog onstar deactivation. Fcc ruled in 2002 wireless carriers would no longer re required to support analog wireless network starting in 2008. *pe csc letter was received. Updated 12/1/08.
• 10024345Feb 1, 2008Suspension, Transmission and drivetrain. 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.
• 10024342Feb 1, 2008Tires. Low tire light on and/or dic check tire pressure message when cold, with rpo uj6.
• 10017464Jan 1, 2008Transmission and drivetrain. 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
• 10022914Oct 4, 2007Electrical system. One of the following concerns when programming the mileage or the hours into an exchange instrument panel cluster that is received from an electronic service center (esc).
• 10022766Sep 26, 2007Electrical system. Blown mbec 1 or lbec 1 fuse.
• 10023217Sep 1, 2007Exterior lighting. Turn signal in camper style outside rearview mirror (rpo dpn) does not illuminate turn signal flash (replace upper mirror glass)
• 10022482Aug 15, 2007Electrical system. Additional diagnostic for yaw/lat sensor dtc's.
• 10021676Jun 15, 2007Transmission and drivetrain. New design front axle side bearing adjusters.
• 10022470Jun 1, 2007Brakes. Abs light on, dtc's c0265, c0201, u1041 set and/or loss of communication with brake module. (reground ebcm ground).
• 10021133Mar 13, 2007Brakes. Service brake booster message.
• 10021075Mar 1, 2007Tires. Unable to program tire size in ebcm/vses.
• 10021021Feb 22, 2007Engine cooling. Service vme. Supplement to 00-02-35-003l. Update on new I-shaft.
• 10021019Feb 22, 2007Transmission and drivetrain. Slip condition in 2nd, 3rd, or 4th. Damaged 2-4 or 3-4 clutch. *kb updated 10/31/07.
• 10021015Feb 22, 2007Electrical system. Unable to locate emergency light relay and/or blunt cut wires.
• 10021010Feb 22, 2007Tires. Bridgestone dueler product information update.
• 10012089Feb 1, 2007Steering. Clunking noise under hood and can be felt in steering wheel. *eh updated *eh updated.
• 10017373Nov 1, 2006Equipment. Ei05082 - loss of blower motor speeds except for high speed or inoperative. *tt updated. *kb updated
• 10011755Oct 4, 2006Body and structure. Tailgate cable slack. This includes 1998-2006 chevrolet and gmc full and mid size trucks. *eh updated.
• 10021017Sep 27, 2006Visibility (wipers, defrost, mirrors). Door glass pops out of run channel.
• 10020874Sep 23, 2006Suspension. Left front axle shaft difficult to remove. Axle differential leak seal shaft.
• 10019852Mar 1, 2006Suspension. Revised upper control arm replacement.
• 10017462Feb 1, 2006Transmission and drivetrain. 4l60-e/4l65-e automatic transmission/torque converter clutch (tcc) shudder, water in transmission.
• 10014986Feb 1, 2006Brakes. Service stability message on, diagnostic trouble code (dtc) c0131, c0196, c0290 and/or c0292 set.
• 10013456Feb 1, 2006Air bags. Supplemental inflatable restraint (sir) light on, diagnostic trouble codes (dtc) b0026 and/or b004. To include 2003-2006 chevrolet/gmc full size pickup and utility models.
• 10018926Jan 25, 2006Transmission and drivetrain. 4wd inoperative and possible dtc c0327 stored in the transfer case control module.
• 10018623Jan 9, 2006Visibility (wipers, defrost, mirrors). Front hvac blower inoperative.
• 10018566Jan 6, 2006Visibility (wipers, defrost, mirrors). Front blower inoperative stay running during low ambient temperature.
• 10018544Jan 6, 2006Seats. Heated seat inoperative or shut off in 30 seconds. Diagnostic trouble codes b2435, b2440, b3606 and/or b1825 set in the drivers seat module.
• 10017308Nov 2, 2005Suspension. Service vme - 8.6 inch rear axle which exhibit a gear whine condition (until december 23, 2005).
• 10017299Nov 2, 2005Transmission and drivetrain. Electronic transfer case unable to complete shift.
• 10017277Nov 1, 2005Visibility (wipers, defrost, mirrors). Unwanted operation of rear windows.
• 10011197Nov 1, 2005Suspension. 20 inch wheels and tires available through gmspo. *tt updated.
• 10017145Oct 26, 2005Transmission and drivetrain. 4l80e/4l85e harsh shift or slip no tcc apply.
• 10017132Oct 25, 2005Visibility (wipers, defrost, mirrors). Blower motor inoperative at low ambient temperatures.
• 10017123Oct 25, 2005Visibility (wipers, defrost, mirrors). Service vme-outside rear view mirror inoperative.

← All problems reported for the 2004 Chevrolet Avalanche