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For 1990-2009 cars only

SERVICE MANUAL UPDATE CRANKSHAFT JOURNAL BEARINGS

Model and Year: 1987-89 R CAR

TO: ALL CHEVROLET DEALERS

The NOTICE shown on page 6A1-32 of the 1987 Spectrum Service Manual and Page 6A1-31 of the 1988 and 1989 Spectrum Service Manual references the Number 3 journal bearing lower side as grooveless. This NOTICE should be disregarded as all lower journal bearings are grooveless.

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.