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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.

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Bulletins, newest first
31472004-11-03. Service bulletin. ENGINE AND ENGINE COOLING. CONCERNS REGARDING BULLETIN 00-02-35-003F. ALL FULL SIZE TRUCKS AND UTILITIES AND HUMMER PARTS AVAILABLE. *TC
30552004-10-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON LIGHT WITH A P0300 MISFIRE DUE TO MISFIRES MAINLY ON CYLINDER 7. *TT
30542004-10-14. Service bulletin. POWER TRAIN. REPLACEMENT FLEXPLATE MAY HAVE LARGER BOLT HOLES THAN THE ORIGINAL FLEXPLATE. *TT
30472004-10-08. Service bulletin. EQUIPMENT. 99 THROUGH 05 YEAR VEHICLES, EQUIPPED WITH THREE-BUTTON ONSTAR SYSTEMS. *TT
30732004-10-08. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL. DOWNHILL CRUISE CONTROL SURGE. *TT
30862004-10-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. WHISTLE NOISE FROM THE THROTTLE BODY AREA ON LIGHT THROTTLE ACCELERATION ON VEHICLES WITH GEN III ENGINES AND ELECTRONIC THROTTLE. *TT
30862004-10-04. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. AIR CONDITIONER (A/C) LOW PRESSURE SWITCH DIAGNOSTIC TOOL. CURRENTLY THE A/C LOW PRESSURE SWITCH OPEN/CLOSE PRESSURES CANNOT BE ACCURATELY DETERMINED BY MEASURING PRESSURE AT THE LOW SIDE SERVICE PORT. *TT
091820022004-10-01. Service bulletin. STRUCTURE:BODY. LIGHT COLORED GREASE LIKE SUBSTANCE COMING FROM THE THREE-PANEL BED HARDCOVER AREA. *TT
091820022004-10-01. Service bulletin. STRUCTURE:BODY. FIELD REPORTS THAT EXTERIOR NON-PAINTED CLADDING AND BED COVERS APPEAR TO LIGHTEN IN COLOR OR FADE. *TT
091720022004-10-01. Service bulletin. EQUIPMENT:MECHANICAL:CARRIER/RACK. ROOF RACKS EXHIBITING STAINING AND THE PRESENCE OF CORROSION IN AREAS OF THE RUBBER SEALS THAT RUN ALONG THE SIDES OF THE ROOF PANEL ABOVE BOTH DOORS. *TT
091720022004-10-01. Service bulletin. VISIBILITY:GLASS, SIDE/REAR. MID GATE GLASS ENCAPSULATION CRACKING CONDITION. *TT
30452004-09-27. Service bulletin. WHEELS. VARIOUS STEERING OR SUSPENSION CONCERNS AFTER GM ACCESSORIES 20 INCH TIRE/WHEEL ASSEMBLIES HAVE BEEN INSTALLED. *TT
042220042004-09-20. Service bulletin. STRUCTURE:BODY. THIS MESSAGE RELATES TO THE PURCHASE OF ARMOR-DILLO TO TREAT FADED OR STAINED CARGO COVERS AND CLADDING. GM VOICEMAIL EXPRESS. *TT
3000A2004-08-25. Service bulletin. SUSPENSION:REAR. REAR AXLE LOCKING DIFFERENTIAL CHATTER SHUDDER NOISE ON TURNS. *MJ
30042004-08-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.8L 5.3L 6.6L 8.1L P1285 P1286 OR P2133 AFTER REPLACING APP SENSOR. *MJ
30012004-08-25. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. THE SERVICE INFORMATION AND OWNERS MANUAL DO NOT SHOW A SERVICE INTERVAL FOR THE 8.6, 9.5, 9.75, 10.5, AND 11.5 INCH REAR AXLES WITH OR WITHOUT G80 (LOCKING DIFFERENTIAL). *TT 2006 ALL GENERAL MOTORS LIGHT DUTY TRUCKS, VANS AND UTILITIES. *TT
30022004-08-23. Service bulletin. POWER TRAIN. 4L60E/4L65E INTERMITTENT NEUTRAL CONDITION WHILE ACCELERATING FROM A STOP OR WHILE DRIVING. *TT 1999-2006 GM CARS, LIGHT DUTY TRUCKS AND UTILITIES. *TT
30282004-08-23. Service bulletin. SUSPENSION:REAR. REPLACEMENT TAILGATE CABLES BIND AT SHOULDER BOLT. *MJ
30252004-08-23. Service bulletin. SEATS. REPAIRING CLOTH SEATS WITH NAPPED FABRIC. *MJ
30322004-08-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON (SES) LIGHT ON WITH P0446 DUE TO DUST IN THE EVAP VENT VALVE ON VEHICLES THAT ARE OPERATED IN DUSTY ENVIRONMENTS, SUCH AS FARMING OR OFF-ROAD APPLICATIONS. *TT
040525002B2004-08-13. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE. ANTI-LOCK BRAKE SYSTEM (ABS) LIGHT ON, DIAGNOSTIC TROUBLE CODES (DTCS) C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE. *TT UPDATE. *TT
0404950012004-08-12. Service bulletin. POWER TRAIN:DRIVELINE:DRIVESHAFT. REVISED WHEEL DRIVE SHAFT NUT TORQUE SPECIFICATION. *TT
110620022004-08-10. Service bulletin. TIRES. INFORMATION WHEN PERFORMING A FOUR-WHEEL BALANCE USING LABOR CODE E0203 AND/OR TIRE REPLACING USING LABOR CODE E0431 OR E0437. *TT
0108600012004-08-03. Service bulletin. STRUCTURE. REVISED RECOMMENDATIONS REGARDING PAINT FOR STRUCTURAL REACTION INJECTION MOLDING (SRIM) COMPOSITE BOX. *TT
013532004-07-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE MISFIRE DUE TO INJECTOR FRETTING CORROSION. *TT

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