WenmarOpen by Wenmar Pro

Service bulletins for the 2004 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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
0507300132005-11-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60-E/4L65-E AUTOMATIC TRANSMISSION SECOND GEAR START, LACK/LOSS OF POWER WHEN ACCELERATING FROM A STOP. *TT
0505250022005-11-03. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP. DIAGNOSTIC INFORMATION ON ANTILOCK BRAKE SYSTEM (ABS) DIAGNOSTIC TROUBLE CODE(S) (DTC) C0035, C0040, C0050, C0055 AND/OR P0609. *TT
35282005-10-29. Service bulletin. POWER TRAIN. REPLACEMENT TWO PIECE PROPSHAFT INFORMATION. VIBRATION WHILE DRIVING. *TT
33402005-10-27. Service bulletin. ELECTRICAL SYSTEM. INSTRUMENT PANEL CLUSTER WILL NOT ILLUMINATE IN DRL MODE. *TT
3048A2005-10-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUPPLEMENT TO 03-06-01-024B 4.3L LU3 L35 TIMING CHAIN TENSIONER. RATTLE-TYPE NOISE COMING FROM THE ENGINE AT APPROXIMATELY 1800 TO 2200 RPMS. *TT
32602005-10-26. Service bulletin. POWER TRAIN. 4L80E/4L85E HARSH SHIFT OR SLIP NO TCC APPLY. *TT
33042005-10-26. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. UPPER RADIATOR HOSE MAY HAVE A COOLANT LEAK, BECAUSE IT HAS RUBBED THROUGH ON THE FAN SHROUD. *TT
35892005-10-21. Service bulletin. ELECTRICAL SYSTEM. STABILITRAK DISABLE SWITCH IS INOPERATIVE. *TT UPDATED 2/27/08. *NJ
34272005-10-21. Service bulletin. ELECTRICAL SYSTEM. ADDITIONAL DIAGNOSTIC INFORMATION DTC P0757. *TT
34912005-10-21. Service bulletin. FUEL SYSTEM, OTHER. HIGHWAY SPEED EXCESSIVE SMOKE AND FUEL KNOCK. *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
7022005-09-12. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. COOLANT LEAK FROM THE LOWER RADIATOR HOSE. *TT
050846006A2005-05-14. Service bulletin. EQUIPMENT. INFORMATION ON UPGRADING CERTAIN ONSTAR GENERATION 5 ANALOG/DIGITAL-READY SYSTEMS TO ONSTAR GENERATION 6 DUAL-MODE (ANALOG/DIGITAL). *TT
0506040212005-05-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. REVISED INSPECTION/MAINTENANCE (I/M) EVAPORATIVE EMISSION (EVAP) SYSTEM SET PROCEDURE. *TT
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
34872005-05-11. Service bulletin. STRUCTURE:BODY:DOOR. THE SLIDING DOOR IS HARD TO OPEN OR WILL NOT OPEN. *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
031020052005-05-10. Service bulletin. STEERING. STEERING GEAR WHISTLE NOISE ON TURNS. *EH
070120042005-04-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. OIL LIFE SYSTEM RESET PROCEDURES-TRUCKS. BUICK TERAZZA 2005, GMC SIERRA DENALI 2002-2003, GMC B7 CHASSIS MEDIUM DUTY 2003-2005 AND GMC 560 C-SERIES 2003-2005 *SC
33202005-04-21. Service bulletin. SUSPENSION:FRONT. CLUNK POP NOISE IN THE FRONT SUSPENSION OVER BUMPS. *TT
32802005-04-20. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. RUST FOUND IN THE INJECTOR INLET FILTER DURING INJECTOR REPAIRS. *TT
32762005-04-20. Service bulletin. POWER TRAIN. 4L80E OUTPUT CARRIER THRUST WASHER CHANGES. *TT
33752005-04-20. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. COOLANT LEAK FROM THE LOWER RADIATOR HOSE. *TT

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