SERVICE GUILD: POWER STEERING FLUID (PROPER FLUID USAGE). Buick Century 1985

ANALYSIS OF RETURNED PARTIAL GEARS INDICATE THAT SOME CONTAINED AUTOMATIC TRANSMISSION FLUID. AUTOMATIC TRANSMISSION FLUIDS SUCH AS DEXRON-II ARE NOT COMPATIBLE WITH STEERING SYSTEM SEALS. USAGE OF AUTOMATIC TRANSMISSION FLUID IN THE STEERING SYSTEM CAN REDUCE SEAL LIFE.

USE ONLY POWER STEERING FLUID THAT MEETS REQUIREMENTS OF GM SPEC. 9985010 SUCH AS GMSPO PART NUMBERS 1050017 (QUART) AND 1052884 (PINT) IN THE POWER STEERING SYSTEM. PLEASE MAKE SURE ALL SERVICE PERSONNEL ARE ADVISED. THIS INFORMATION IS CONTAINED IN THE OWNERS MANUAL AND SERVICE MANUALS. PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

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.