NHTSA ID Number: 10205744 Manufacturer Communication Number: 120089002E Summary This service bulletin provides the dealer with information on what to do when requesting a new key code for the customer. Lost or Stolen Keys In the event of lost or stolen keys, the customer may request to have a new key code or new key … Read more
NHTSA ID Number: 10184131 Manufacturer Communication Number: PIT5074N Summary This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in … Read more
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: Oil in the coolant overflow reservoir Coolant discharging from the coolant reservoir … 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: 10184105 Manufacturer Communication Number: PIT3271K Summary This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use … Read more