Early in January, 1987, a production change will be made to the rear brake wheel cylinder attachment on subject models. The wheel Cylinders will be retained to the brake parking plate by bolts instead of the currently used retainer clip. Refer to Illustration. Refer to your current parts catalog when requiring service parts for these vehicles.
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.