GM Service Manual Online
For 1990-2009 cars only

DIESEL ALTERNATOR BELT NEW BELT INFORMATION for Chevrolet Impala 1981

An alternator belt utilizing new material for the 5.7 V8 diesel is now in production. This new belt P/N 22517019 is available from WDDGM and replaces P/N 22511773. This belt, when installed properly, will increase durability and should be used as a service replacement on all V8 diesel engines with a step drive alternator. A step drive belt runs over water pump and alternator pulleys only.

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.