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.
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Only bulletins with component: Engine are shown. Show all
| 050308019 | 2007-01-23. 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 |
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| 050604077 | 2006-03-31. 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 |
| 3691B | 2006-03-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GENERATION III V8 ENGINE PISTON REPAIRS. *TT |
| 050601014 | 2005-11-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL LEAK UNDER EXTREME COLD TEMPERATURES (-34 DEGREES C) (-30 DEGREES F) OR COLDER). *TT |
| 050604046 | 2005-11-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CRANK AND NO START, REDUCED POWER, INTERMITTENT HESITATION, HESITATES IN HIGH ALTITUDE/HIGH AMBIENT TEMPERATURES. *TT |
| 3048A | 2005-10-26. 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 |
| 3304 | 2005-10-26. 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 |
| 702 | 2005-09-12. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. COOLANT LEAK FROM THE LOWER RADIATOR HOSE. *TT |
| 050604021 | 2005-05-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. REVISED INSPECTION/MAINTENANCE (I/M) EVAPORATIVE EMISSION (EVAP) SYSTEM SET PROCEDURE. *TT |
| 3232 | 2005-05-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 1999 - 2005 GEN II COLD ENGINE MISFIRE AT IDLE WITH POSSIBLE P0171 AND/OR P0174. *TT |
| 3375 | 2005-04-20. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. COOLANT LEAK FROM THE LOWER RADIATOR HOSE. *TT |
| 040603002 | 2005-03-11. Service bulletin. ENGINE AND ENGINE COOLING. DIAGNOSTIC INFORMATION FOR INTERMITTENT VEHICLE NO CRANK DEAD BATTERY. *EH |
| 040603001 | 2005-03-10. Service bulletin. ENGINE AND ENGINE COOLING. INCORRECT AMP CODE GENERATOR. *EH |
| 040602002 | 2005-03-10. Service bulletin. ENGINE AND ENGINE COOLING. THROTTLE BODY COOLANT RETURN HOSE FALLING OUT OF CLIP. *EH |
| 040604028 | 2005-03-08. Service bulletin. ENGINE AND ENGINE COOLING. VARIOUS DRIVEABILITY CONCERNS CHECK ENGINE LIGHT ON DIAGNOSTIC TROUBLE CODE SET. *EH |
| 040604043 | 2005-02-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. UNABLE TO RESET ENGINE OIL LIFE MONITOR. *TT |
| 040601020 | 2005-02-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OIL LEAK NEAR OIL FILTER. *TT |
| 040602008 | 2005-01-11. Service bulletin. ENGINE AND ENGINE COOLING. COOLANT LEAK AT CAP OF COOLANT RECOVERY RESERVOIR. *TT |
| 3239 | 2004-12-04. Service bulletin. ENGINE AND ENGINE COOLING. LIGHT IS ON AND DIAGNOSTIC TROUBLE CODES P1125 AND P2125 SET. *EH |
| 3056 | 2004-11-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CHECK ENGINE LIGHT WITH A P0300 DUE TO 2-4 CYLINDERS MISFIRING ON THE SAME BANK OF THE ENGINE. *TT |
| 3097 | 2004-11-05. Service bulletin. ENGINE AND ENGINE COOLING. OIL PAN OR OIL COOLER LINE LEAK. *SC |
| 3103 | 2004-11-04. Service bulletin. ENGINE AND ENGINE COOLING. NO ENHANCED EVAP DATA LIST ON TECH ON TECH 2 *SC |
| 3058 | 2004-10-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GOODWRENCH ENGINE AND REPLACEMENT CRANKSHAFT INFORMATION. *TT |
| 3055 | 2004-10-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON LIGHT WITH A P0300 MISFIRE DUE TO MISFIRES MAINLY ON CYLINDER 7. *TT |
| 3038 | 2004-10-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE TICK, RATTLE OR KNOCK NOISE AFTER CYLINDER HEAD GASKET REPLACEMENT ON THE 6.0L ENGINE. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.