STEERINGSTOP NOISE/CRUNCH (TRIM/ALTER STEERING KNUCKLE)

SUBJECT: STEERING STOP NOISE/CRUNCH (TRIM/ALTER STEERING KNUCKLE MOUNTED STEERING STOP)

VEHICLES AFFECTED: 1991-92 "B" CAR SEDANS CHEVROLET CAPRICE BUICK ROADMASTER

CONDITION:

---------- Some 1991-92 B-car sedans, with suspension systems indicated below by RPO, may exhibit a noise condition noted during a low speed full right or left turning maneuver.

Chevrolet Suspension RPO's -------------------------- FE2 FE3 7B3

Buick Suspension RPO's ---------------------- FE1 FE2

CAUSE:

----- Steering knuckle mounted steering stops contacting attaching rivets of the steering stops mounted to the lower control arms on those vehicles equipped with suspension RPO's noted above.

CORRECTION:

----------- To eliminate potential steering stop to rivet contact, both right and left steering knuckle mounted steering stops must be removed and trimmed per Service Procedure below.

Service Procedure:

1. Raise vehicle on hoist. Refer to General Information (Section 0A) of applicable Service Manual.

2. Remove front wheel and tire assemblies. Refer to Tires and Wheels (Section 3E) of applicable Service Manual.

3. Utilizing a back-up wrench on bolt securing brake shield and steering stop to knuckle, remove nut and steering stop on both sides of vehicle.

NOTICE: It is essential that back-up wrench be utilized to eliminate the potential for bolt backing out, resulting in brake rotor to bolt contact.

4. Trim both knuckle mounted stops as shown in illustration.

5. Install stops on attaching bolts and utilizing a back-up wrench on bolts, install nuts and torque to 27 N.m (20 Lbs.Ft.).

6. Install wheel and tire assemblies. Refer to Tires and Wheels (Section 3E) of applicable Service Manual.

7. Lower vehicle.

For vehicles repaired under warranty use:

Labor Time: 0.6 Hour.

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.