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Service bulletins for the 2002 Chevrolet Avalanche

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
000842010A2003-09-26. Service bulletin. EXTERIOR LIGHTING. DAYTIME RUNNING LAMP (DRL) BULB REPLACEMENT. *TT
0306040302003-08-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MULTIPLE DRIVEABILITY SYMPTOMS OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE DUE TO CLOGGED FUEL INJECTORS. *TT
0306010112003-04-28. Service bulletin. ENGINE AND ENGINE COOLING. ACCESSORY DRIVE BELT WHINE. *TT
020604054B2003-04-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INCREASED ACCELERATOR PEDAL EFFORT, IDLE INSTABILITY. *TT
030417001C2003-04-17. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. WHINE NOISE FROM REAR AXLE. *TT UPDATE. *TT
0307300052003-04-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SERVICE ENGINE SOON INDICATOR ILLUMINATED, TRANSMISSION SLIPS, ENGINE FLARE, DELAYED 2-3 SHIFT, SHIFTS MISSING, NO SHIFT, DIAGNOSTIC TROUBLE CODES P0730, P0756, P0757. *TT
020421005A2003-04-15. Service bulletin. POWER TRAIN. SLIPS IN 4-WHEEL DRIVE, NOISE, VIBRATION, LEAKS, HOT ODOR. *TT
000235003B2003-04-05. Service bulletin. STEERING. CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN THE STEERING WHEEL. *TT
0206010382003-03-29. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE KNOCK OR LIFTER NOISE. *TT
020605005A2003-03-27. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. EXHAUST / MUFFLER HEAT SHIELD RATTLE, POPPING NOISE UNDER VEHICLE. *TT
0205230042003-03-25. Service bulletin. SERVICE BRAKES, HYDRAULIC. SOME VEHICLES MAY EXHIBIT A REDUCED BRAKE POWER MESSAGE ON THE DRIVER'S INFORMATION CENTER (DIC). *TT
0205260022003-02-14. Service bulletin. PARKING BRAKE. SCRAPING NOISE FROM REAR OF VEHICLE. *TT
020522004B2003-02-14. Service bulletin. EXTERIOR LIGHTING:BRAKE LIGHTS; SERVICE BRAKES, HYDRAULIC. TRAILER BRAKES APPLIED WHEN HEADLIGHTS / PARK LAMPS ARE ON, BRAKE CONTROLLER ILLUMINATION. *TT
0206010352003-02-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. HIGH OIL CONSUMPTION. *TT
0208630032003-02-14. Service bulletin. STRUCTURE:BODY:BUMPERS. BUMPER FASCIA COVER RETAINERS PULLING OUT OF FASCIA. *TT
0205220042003-02-12. Service bulletin. SERVICE BRAKES, HYDRAULIC. TRAILER BRAKES APPLIED WHEN HEADLIGHTS / PARK LAMPS ARE ON, BRAKE CONTROLLER ILLUMINATION. *TT
0206010292003-02-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. NEEDLE BEARINGS FOUND IN OIL PAN. *TT
020522004A2003-02-10. Service bulletin. SERVICE BRAKES, HYDRAULIC. TRAILER BRAKES APPLIED WHEN HEADLIGHTS / PARK LAMPS ARE ON, BRAKE CONTROLLER ILLUMINATION. *TT
1906022002-11-21. Service bulletin. STRUCTURE. SUBJECT REGARDING THE OPTIONAL CHROME TUBULAR ASSIST STEPS. *TT
1106022002-11-21. Service bulletin. STRUCTURE:BODY. THIS MESSAGE INVOLVES THE THREE-PIECE HARD SURFACE CARGO COVER. *TT
1006022002-11-21. Service bulletin. UNKNOWN OR OTHER. INFORMATION REGARDING THE JUNE EDITION OF EMERGING ISSUES FOR VARIOUS MODELS. *TT
0406022002-11-20. Service bulletin. STRUCTURE:BODY. SUBJECT REGARDING WET CARPET AT PASSENGER FOOT WELL CONDITION. *TT
0514022002-11-12. Service bulletin. LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH. CUSTOMERS MAY COMMENT THAT THE END GATE DOES NOT LATCH PROPERLY FROM SIDE TO SIDE. *TT
0418022002-11-10. Service bulletin. STRUCTURE. INFORMATION ON DIAGNOSING WATER LEAKS IN THE REAR PASSENGER AND THE FRONT SEATING AREAS. *TT
0409022002-11-09. Service bulletin. VISIBILITY:GLASS, SIDE/REAR. CERTAIN VEHICLES MAY BE SUSPECT OF A MID GATE GLASS ENCAPSULATION CRACKING CONDITION. *TT

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