GM Recalls, Technical Service Bulletins TSB's, Diagnostic & Repair Tips
NHTSA ID Number: 10198879 Manufacturer Communication Number: 21NA108 Summary This service bulletin provides diagnostic information for the technician regarding a customer concern of engine overheating, cooling system contaminated with engine oil. Condition Engine is overheating. One or more of the following conditions: Cause This condition may be caused by a leakage from the … Read more
NHTSA ID Number: 10222734 Manufacturer Communication Number: 01-06-01-011M Summary This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. All engines require oil to lubricate and protect the load bearing and internal moving parts from wear including cylinder walls, pistons and piston rings. When a piston moves down its cylinder, a … Read more
NHTSA ID Number: 10116587 Manufacturer Communication Number: 07-06-04-025L Summary This informational bulletin provides information on Clicking/Ticking Sound/Noise Heard During Cold Start and that this should be considered a normal characteristic. Clicking/Ticking Sound/Noise Heard During Cold Start This is normal operation of the high pressure fuel pump and injectors. DO NOT replace the high pressure fuel … Read more
NHTSA ID Number: 10161030 Manufacturer Communication Number: PIT5363E Summary This Preliminary Information communication provides information to the technician about vehicles that may have a click or tick noise heard inside cab with engine running. Technician may find the engine or High Pressure Fuel Pump tick noise that is very loud in the cab of the truck. Comparison with … Read more
NHTSA ID Number: 10187375 Manufacturer Communication Number: 17NA166 Summary This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in Drive concern. Condition Rough idle and/or vibration at idle in Drive. This condition may be most noticeable following extended driving, after hard acceleration, while idling at … Read more
