REAR COIL SPRING CLICKING (ORIENT SPRINGS TO NEW SPEC.)

SUBJECT: REAR OIL SPRING CLICK/CLUNK NOISE (SERVICE MANUAL UPDATE ORIENTATE SPRINGS TO NEW SPECIFICATION)

VEHICLES AFFECTED: 1992 U-VANS ------------------

Condition:

--------- Some 1992 U-vans assembled prior to VIN breakpoints indicated below may exhibit a metallic click/clunk noise audible in the passenger compartment, coming from the rear of the vehicle.

VIN Breakpoints

Chevrolet - NT100600 Pontiac - NT200360 Oldsmobile - NT300214 Cause: ----- Rear coil spring contacts axle spring seat due to incorrect spring orientation.

Correction:

---------- Following applicable procedure in Service Manual, Section 3D orientate rear springs as shown in attached Illustration insuring insulators are also properly positioned under spring.

This orientation supersedes that which is shown in the 1992 Service Manual, Section 3D. Please note your copies of the Service Manual accordingly.

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.