GM Service Manual Online
For 1990-2009 cars only

Problem

Action

The exhaust system is contacting the vehicle underbody.

Inspect and service as needed. Refer to Exhaust System Inspection in Engine Exhaust.

The adjustable link is worn or damaged.

Inspect and service as needed.

Refer to Adjust Link Replacement in Rear Suspension.

The control arm bushings are worn or damaged.

Service and/or replace as needed.

The stabilizer shaft is loose or the bushings are worn.

Service and/or replace as needed.

Refer to Fastener Tightening Specifications in Rear Suspension.

The wheel nuts are loose.

Tighten the wheel nuts. Refer to Fastener Tightening Specifications in Tires and Wheels.

The suspension mounting bolts are loose.

Service and/or replace as needed.

Refer to Fastener Tightening Specifications in Rear Suspension.

The tires are worn or damaged.

Service and/or replace as needed.

Refer to Tire Diagnosis - Irregular or Premature Wear in Tires and Wheels.