SERVICE PARTS UPDATE:TRANS. FILTER AND SEAL-THM 200-4R

MODELS AFFECTED: 1987-1988 BROUGHAMS

Some 1987-1988 Broughams were built with a 2nd design filter and seal, refer to Figure 1. These filters should be serviced using the lst design filter; P/N 8639951 includes a lst design filter, two O-ring seals and a pan gasket, refer to Figure 2.

In August, 1987 the filter seal was changed from two O-rings to a one piece lip seal, refer to Figure 1. Either seal can be used with either filter, however, it is recommended that the lip seal, P/N 8657767, be used for service of both filters.

Refer to Section 200-4R, "Automatic Transmission Unit Repair" for fluid filter service procedures.

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.