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Service bulletins for the 2003 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.

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

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Bulletins, newest first
PIT-3749D2011-05-26. Service bulletin. STRUCTURE:FRAME AND MEMBERS. GM: ON SOME TRUCK MODELS THERE IS SOME FRAME CORROSION. *RM UPDATED ON 5/2/2012. *KB
SB-10-02-33-0012011-03-28. Service bulletin. STEERING; STEERING:GEAR BOX:SHAFT PITMAN. BUICK/CADILLAC/CHEVROLET/GMC/OLDSMOBILE AND HUMMER: INFORMATION ON PITMAN ARM SHAFT SEAL SERVICE KIT. DO NOT REPLACE ENTIRE STEERING GEAR FOR PITMAN SEAL LEAK. TECHNICIANS HAVE BEEN REPLACING ENTIRE STEERING GEARS DUE TO NOT BEING ABLE TO SERVICE JUST LEAKING PITMAN SHAFT SEAL. *PE UPDATED 5/9/11. *PE
PIP-4492P2011-03-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). BUICK/CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC/SAAB: OIL CONSUMPTION AND/OR EXHAUST SMOKE-POSSIBLE PCV BAFFLE OR LIFTER CONCERN. UPON INSPECTION, OBVIOUS OIL WILL BE FOUND IN THE INTAKE MANIFOLD AND/OR PCV VACUUM TUBE. *PE UPDATED 3/21/11. *PE UPDATED 5/9/11. *PE UPDATED 5/25/11. *PE UPDATED 06/16/2011. *KB UPDATED A SECOND TIME ON 06/16/2011. *KB UPDATED 6/27/11. *PE
08089-B2009-02-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). GENERAL MOTORS CORP: SPECIAL COVERAGE ADJUSTMENT; ANALOG ONSTAR DEACTIVATION. *PE UPDATED 2/17/09. *PE
08-0892008-11-15. Service bulletin. EQUIPMENT:ELECTRICAL. BUICK CADILLAC CHEVROLET GMC HUMMER OLDSMOBILE PONTIAC SAAB SATURN SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT-ANALOG ONSTAR DEACTIVATION. FCC RULED IN 2002 WIRELESS CARRIERS WOULD NO LONGER RE REQUIRED TO SUPPORT ANALOG WIRELESS NETWORK STARTING IN 2008. *PE CSC LETTER WAS RECEIVED. UPDATED 12/1/08. *PE
08-07-30-0152008-08-12. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. DIAGNOSTIC INFORMATION ON MN8, MT1 SES/MIL ILLUMINATED, DTC P0757, HARSH SHIFT, DELAYED 2-3 SHIFT, 2-3 SHIFT FLARE, NO THIRD GEAR, SLIPS IN THIRD GEAR OR REVERSE. *PE
PIP4054A2008-04-07. Service bulletin. SUSPENSION:REAR; POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. EATON LOCKING DIFFERENTIAL CHATTER SHUDDER NOISE ON TURNS, EQUIPPED WITH A LOCKING REAR DIFFERENTIAL RPO G80. *NJ UPDATED 7/17/2008. *PE
PIP33432008-04-07. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). POSSIBLE ENGINE OIL LEAK DUE TO PCV FREEZE-UP, EQUIPPED WITH THE 4.8, 5.3, 6.0, AND 6.2 V-8 ENGINES. *NJ
40702008-02-28. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). TRANSFER CASE FRONT INPUT SHAFT SEAL IS POPPED OUT. EQUIPPED WITH (AWD). *NJ
070952008-01-10. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. ENGINE COMPARTMENT FUSE BLOCK COVER ON SOME 2003-2007 CHEVROLET EXPRESS AND GMC SAVANA VEHICLES MAY BREAK WHEN THE COVER IS REMOVED, ALLOWING WATER AND ROAD CONTAMINATES TO ENTER THE FUSE BLOCK. *NJ
071032007-08-20. Service bulletin. STEERING. STEERING IDLER ARM ATTACHING BRACKET FRACTURE. *KB
0708640102007-06-22. Service bulletin. STRUCTURE:BODY:DOOR. VARIOUS REAR SLIDING DOOR CONDITIONS. *KB
31362007-02-22. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION. SLIP CONDITION IN 2ND, 3RD, OR 4TH. DAMAGED 2-4 OR 3-4 CLUTCH. *KB UPDATED 10/31/07. *NJ
0605220062007-02-01. Service bulletin. SERVICE BRAKES, AIR. HYDRO-BOOST UNIT/POWER BRAKE BOOSTER APPEARS TO BE LEAKING. *KB
0608640322007-02-01. Service bulletin. STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS. SIDE CARGO DOOR IS HARD TO OPEN. INSTALL NEW HINGE PINS. *KB
0503080192007-01-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. DIAGNOSTIC INFORMATION FOR NOISE IN STEERING AND INSPECTION OF IDLER ARM BRACKET. *KB UPDATED ON 09/19/07. *NJ
40802006-08-19. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT. ABS AND TRACTION OFF LIGHTS COMES ON INTERMITTENTLY. *TT UPDATED 03-01-07. *KB
0506040772006-03-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LACK OF POWER LU3 ENGINE) AT HIGH AMBIENT TEMPERATURES ONLY (IF NECESSARY, REPROGRAM PCM WITH NEW SERVICE CALIBRATION).*AK
3691B2006-03-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GENERATION III V8 ENGINE PISTON REPAIRS. *TT
38152006-01-25. Service bulletin. ELECTRICAL SYSTEM:WIRING. INSTALLING TRAILER WIRING HARNESS WITHOUT THE Z82 OPTION. *TT
35142006-01-25. Service bulletin. ELECTRICAL SYSTEM. HARNESS LOCATION FOR TRAILER BRAKE INSTALLATION RPO Z82 AND/OR UY7. *TT
0506010142005-11-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL LEAK UNDER EXTREME COLD TEMPERATURES (-34 DEGREES C) (-30 DEGREES F) OR COLDER). *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
007732005-10-27. Service bulletin. POWER TRAIN. 4L60E, 4L65E REPLACEMENT VALVE BODY GASKETS DOES NOT SEEM TO FIT. *TT

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