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Service bulletins for the 2001 GMC Savana

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.

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

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By component

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Bulletins, newest first
3691B2006-03-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GENERATION III V8 ENGINE PISTON REPAIRS. *TT
33252005-10-28. Service bulletin. FUEL SYSTEM, OTHER. SUPPLEMENT TO BULLETIN 99-06-04-047A FOR FUEL SYSTEM CLEANING. *TT
007732005-10-27. Service bulletin. POWER TRAIN. 4L60E, 4L65E REPLACEMENT VALVE BODY GASKETS DOES NOT SEEM TO FIT. *TT
35212005-09-28. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT; SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT. 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. *NJ
33642005-05-12. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. REAR AXLE RETAINER BUTTON BREAKAGE. *EH
0203070022005-05-12. Service bulletin. SUSPENSION. REVISED FRONT CASTER AND CAMBER ADJUSTMENT PROCEDURE. ORIGINAL NOT YET RECEIVED. *TT
34992005-05-11. Service bulletin. STEERING:LINKAGES:ARM:IDLER AND ATTACHMENT. STEERING IDLER ARM INSPECTION PROCEDURE. *TT
32322005-05-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 1999 - 2005 GEN II COLD ENGINE MISFIRE AT IDLE WITH POSSIBLE P0171 AND/OR P0174. *TT
33502005-04-20. Service bulletin. STEERING:HYDRAULIC POWER ASSIST SYSTEM. MOAN NOISE FROM POWER STEERING MORE NOTICEABLE ON RIGHT HAND TURNS. *TT
32762005-04-20. Service bulletin. POWER TRAIN. 4L80E OUTPUT CARRIER THRUST WASHER CHANGES. *TT
33562005-04-20. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT. TURN SIGNAL FLASH TOO FAST, OPPOSITE SIDE DIM. *TT
0406040202005-03-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. REVISED DIAGNOSTIC SYSTEM CHECK - ENGINE CONTROLS. *TT
010603010A2005-03-08. Service bulletin. ENGINE AND ENGINE COOLING. DRIVE BELT NOISE, SERVICE ENGINE SOON/GENERATOR LIGHT ILLUMINATED, ENGINE WILL NOT START OR QUITS RUNNING. THIS SERVICE BULLETIN REPLACES 010603010 *EH
0303100022005-02-16. Service bulletin. TIRES. USE OF CORRECT INSTALLATION PROCEDURE FOR LOOSE HUBCAP ASSEMBLY. THIS SERVICE BULLETIN REPLACES 030310002. *EH
32322005-01-28. Service bulletin. ENGINE AND ENGINE COOLING. MISFIRE AT IDLE COLD AND POSSIBLE P0171 AND OR P0174. *EH
32612005-01-28. Service bulletin. STEERING. STEERING NOISE RIGHT TURN. *EH
32612005-01-27. Service bulletin. STEERING. STEERING NOISE RIGHT TURN. THIS IS A SUPPLEMENT TO SERVICE BULLETIN 030232046. *EH
0406040052005-01-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON LIGHT ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE P0135 OR P0155. *TT
0406040042005-01-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. REVISED DIAGNOSTIC TROUBLE CODE P1217. *TT
32382004-12-04. Service bulletin. ELECTRICAL SYSTEM:IGNITION. PRNDL LIGHT UP WITH KEY OUT OF IGNITION AND DOOR OPEN. *EH
30812004-11-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON LIGHT AND P0300 WHEN TOWING, CRUISING UPHILL OR ON HARD ACCELERATION. *TT
30472004-11-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 00-01 4L80-E AUTOMATIC TRANSMISSION MAY EXPERIENCE A HARSH TCC APPLY AND/OR DIAGNOSTIC TROUBLE CODE P1870 OR P074. *TC
30472004-09-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. HARSH TCC APPLY AND OR A DIAGNOSTIC TROUBLE CODE P1870. 4L80E AUTOMATIC TRANSMISSION. *TT
3000A2004-08-25. Service bulletin. SUSPENSION:REAR. REAR AXLE LOCKING DIFFERENTIAL CHATTER SHUDDER NOISE ON TURNS. *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

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