POWER STEERING PUMP NOISE HIGHER FLUID PRESSURE

SOME OF THE ABOVE SUBJECT VEHICLES MAY EXPERIENCE HIGHER NOISE DUE TO VACUUM BUILDUP IN THE POWER STEERING RESERVIOR.

TO CORRECT THIS CONDITION, IT IS NECESSARY TO REPLACE THE POWER STEERING RESERVOIR CAP WITH A NEW VENTED CAP AND INSTALL A LONGER VENT HOSE WITH A NEW FASTENING CLAMP.

SERVICE PARTS INFORMATION

PART NUMBER DESCRIPTION QUANTITY REQUIRED ----------- ----------- ----------------- 26018909 CAP 1 15654401* HOSE 1 1648216 CLAMP 1

* HOSE MUST BE CUT TO 870MM LENGTH FOR PROPER PROTECTION OF RADIATOR FROM VENTED FLUID.

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

DISCLAIMER

COPYRIGHT 1990 GMC TRUCK DIVISION, GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.

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.