WenmarOpen by Wenmar Pro

Service bulletins for the 2004 Pontiac GTO

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.

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

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
06-06-01-010B2017-08-15. Service bulletin. EQUIPMENT:MECHANICAL; ENGINE AND ENGINE COOLING. This informational bulletin provides information on close-coupled converter and engine replacement.
PIP5029H2017-08-15. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on or engine misfire, rough idle, extended crank, or crank no start in some cases. Technician will need to perform published Service Information diagnostics. If technician finds carbon, an upper engine and valve cleaning should be performed. Update added part numbers for the cleaner and model years.
PIT3173C2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician that fluid contamination may be directed to one of the following testing centers according to the type of fluid needing testing. Dealer should send the correct fluid to the proper testing center.
PIP51632017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.
06-06-01-010C2017-08-15. Service bulletin. ENGINE. This informational bulletin provides information on close coupled converters and there affect on newly installed engines or engines during there break in period.
PIP52262017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.
PIP5163A2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.
PIP5029G2017-05-16. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE A MALFUNCTION INDICATOR LAMP ON OR ENGINE MISFIRE, ROUGH IDLE, EXTENDED CRANK, OR CRANK NO START IN SOME CASES. TECHNICIAN WILL NEED TO PERFORM PUBLISHED SERVICE INFORMATION DIAGNOSTICS. IF TECHNICIAN FINDS CARBON, AN UPPER ENGINE AND VALVE CLEANING SHOULD BE PERFORMED.
PI1394A2016-10-19. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES ADDITIONAL INFORMATION ON HOW TO INSTALL PISTONS AND SUGGEST WHAT TOOLS TO USE.
030604017I2016-10-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. THIS INFORMATIONAL BULLETIN EXPLAINS THE USE OF DIESEL FUEL ADDITIVES IN AN ENGINE, ARE NOT REQUIRED UNLESS THE CUSTOMER DESIRES ADDITIVES TO PREVENT FUEL CONCERNS DEPENDING ON FUEL OR TEMPERATURE RELATED CONDITIONS.
000601012F2016-10-18. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION TO GM DEALERS ON THE CORRECT CLEANING METHODS WHEN CLEANING ENGINE GASKET SEALING SURFACES.
0601370082007-03-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE REPLACEMENT OF HEATER HOSES DUE TO CONTACT/RUBBING WITH REAR OF RH CYLINDER HEAD. *KB
0506010342006-01-12. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE OIL LEAK AT REAR COVER ASSEMBLY AREA. *TT
7092005-12-15. Service bulletin. ENGINE AND ENGINE COOLING. OIL LIFE SYSTEM RESET PROCEDURES - CARS. GM TECH LINK. *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
08042005-04-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL LIFE SYSTEM RESET PROCEDURES - CARS. *NM
33372005-04-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ERRATIC MOVEMENT OF SPEEDOMETER, AND OR FUEL GAUGE NOT MOVING OFF EMPTY WHEN FUEL TANK FILLED. *TT
0508490032005-04-20. Service bulletin. ENGINE AND ENGINE COOLING. SPEEDOMETER ERRATIC MOVEMENT FUEL GAUGE DOES NOT GO TO FULL AFTER FILLING ENGINE COOLANT TEMPERATURE GAUGE READS HOT AND COOLANT TEMPERATURE LIGHT ILLUMINATES. *EH
052020042005-04-13. Service bulletin. ENGINE AND ENGINE COOLING. STAIN COMING FROM THE CYLINDER HEAD EXPANSION PLUG. *TT
0406030062004-12-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. PROPER JUMP STARTING PROCEDURE. *TT
30562004-11-17. 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
30252004-08-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 04 MODEL YEAR 4.8.5.3.7.6.0 GEN III ENGINE PISTON PIN INFORMATION. *MJ
30172004-08-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE LOW POWER WITH TRACTION CONTROL TURNED ON AND AGGRESSIVE ACCELERATION. *TT
30182004-08-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE CYLINDER HEAD CUP PLUG COOLANT LEAK. *MJ
0406040162004-08-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. REVISED DIAGNOSTIC TROUBLE CODE (DTC) P0135, P0141, P0155, OR P0161 HEATER PERFORMANCE AND REVISED DTC P0140, P0160, P0134, P0154 HO2S INSUFFICIENT ACTIVITY. *TT

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