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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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By component

By trouble code

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Bulletins, newest first
020730024A2002-10-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT
0204210052002-10-10. Service bulletin. POWER TRAIN. SOME VEHICLES WILL NOT MOVE WHEN 4-WHEEL DRIVE IS REQUESTED, NOISE, SHUDDER, POOR PERFORMANCE, TRANSMISSION / TRANSFER CASE SLIPS, TRANSMISSION WILL NOT UPSHIFT, SLIPS IN 4-WHEEL DRIVE. *TT
0204210042002-10-10. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). SOME CUSTOMERS MAY COMMENT ON THE SERVICE 4WD INDICATOR ILLUMINATING WITH DIAGNOSTIC TROUBLE CODE B2725 SET. *TT
010864014A2002-10-09. Service bulletin. STRUCTURE:BODY:DOOR. SOME CUSTOMERS MAY COMMENT THAT THE MANUAL LOCK LEVER COMES LOOSE FROM THE DOOR TRIM PANEL. *TT
010601029B2002-10-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME CUSTOMERS MAY COMMENT ON HIGHER THAN EXPECTED ENGINE OIL CONSUMPTION. *TT
020604023A2002-10-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME CUSTOMERS MAY COMMENT ON A MILD TO SEVERE ENGINE PING (COMMONLY REFERRED TO AS SPARK KNOCK) USUALLY WORSE DURING ACCELERATION AND / OR AN ILLUMINATED MALFUNCTION INDICATOR LAMP. *TT
0206040232002-10-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME CUSTOMERS MAY COMMENT ON A MILD TO SEVERE ENGINE PING (SPARK KNOCK) DURING ACCELERATION AND / OR ILLUMINATED MALFUNCTION INDICATOR LAMP WITH DIAGNOSTIC TROUBLE CODE P0332 SET. *TT
0208420022002-10-03. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. SUBJECT REGARDING HEADLAMP CONDENSATION. *TT
0208660082002-10-03. Service bulletin. STRUCTURE:BODY:TAILGATE. SOME CUSTOMERS MAY COMMENT THAT THE ENDGATE APPEARS TO BE CLOSED BUT OPENS PERIODICALLY WHILE DRIVING. *TT
0101022002-09-28. Service bulletin. STRUCTURE:BODY. SUBJECT REGARDING WATER LEAK REPAIRS FOR WET CARPETING IN THE PASSENGER COMPARTMENT IN CERTAIN MODELS INCLUDING THE EXT MODEL. *TT
0101022002-09-28. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. PRODUCT FEEDBACK REQUEST FOR VEHICLE EXHIBITING REAR AXLE WHINE CONDITION UNTIL MAY 24, 2002. *TT
0206041122002-05-21. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY. SOME CUSTOMERS MAY COMMENT THAT THE FUEL TANK ON 2002 CHEVROLET AND GMC C/K SERIES IS DIFFICULT TO FILL FROM APPROXIMATELY 3/4 TO FULL . *SLC
0208660022002-05-21. Service bulletin. STRUCTURE:BODY. SOME CUSTOMERS MAY COMMENT ON WATER LEAKING DOWN THE INSIDE OF THE ENDGATE. *SLC
2201022002-04-05. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY. CUSTOMERS MAY COMMENT THAT IT MAY BE DIFFICULT TO COMPLETELY FILL THE FUEL TANK. *TT
0801022002-04-04. Service bulletin. VISIBILITY:WINDSHIELD. SUBJECT REGARDING FLUTTER NOISE IN THE AREA OF THE LOWER WINDSHIELD PILLARS. *TT
1112012002-04-04. Service bulletin. STRUCTURE:BODY. EXHIBITING A CONDITION WHERE THE UPPER REAR CORNERS OF THE FRONT FASCIA ARE DEFLECTED OUTBOARD OF THE FRONT FENDER AT THE WHEELHOUSE OPENING. *TT
0412012002-04-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. INFORMATION ON CUSTOMERS REPORTING INTERMITTENT STALL OR NO START CONDITION. *TT
0208660012002-04-02. Service bulletin. STRUCTURE:BODY. CARGO COVER SEAL PULLS OFF. *YD
0208570022002-04-02. Service bulletin. UNKNOWN OR OTHER. SOME CUSTOMERS MAY COMMENT THAT THE REAR FLOOR CARPET IS WET. *TT
0203100012002-04-02. Service bulletin. TIRES:TEMPORARY/EMERGENCY SPARE TIRE. INFORMATION CONCERNING THE SPARE TIRE HAVING A DIFFERENT SIZE THAN OTHER TIRES. *TT
0101022002-03-26. Service bulletin. STRUCTURE:BODY. SUBJECT REGARDING FRONT FACIA FIT TO FENDER. *TT
0101022002-03-25. Service bulletin. VISIBILITY:GLASS, SIDE/REAR. SUBJECT REGARDING REVISED REMOVABLE BACK GLASS TO ADDRESS CRACKED ENCAPSULATION. *TT
0108660152002-03-21. Service bulletin. STRUCTURE:BODY:TAILGATE. SOME CUSTOMERS MAY COMMENT THAT THE END GATE HANDLE BINDS WHEN OPENING. *TT
0101390072002-03-21. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. SUBJECT REGARDING LOSS OF HVAC SYSTEM MODE AND/OR TEMPERATURE CONTROL. *TT
0101390072002-03-21. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A CONDITION MAY EXIST WHERE THE CUSTOMER CANNOT CONTROL THE HVAC SYSTEM MODES AND / OR THE TEMPERATURE. *TT

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