GM Service Manual Online
For 1990-2009 cars only

Causes

Correction

Incorrect front wheel alignment

Set the front end alignment to specification.

Contaminated brake linings

Replace the brake linings.

Incorrect tire pressure

Set the tire pressure to specification.

Loose front suspension parts

Locate and tighten, repair or replace the loose front suspension components.

Contaminated or improper brake fluid

Flush the brake system and repair the affected brake components.

Worn out brake linings

Replace the brake linings.

Uneven brake lining material

Replace the brake linings.

Glazed brake linings

Replace the brake linings.

Incorrect lining material

Replace the brake linings.

Lining damaged by abusive use

Replace the brake linings.

Scored rotor

Refinish the rotor surface or replace the rotor.

Loose front or rear brake assembly attachment

Locate and tighten the loose brake components.

Restricted brake fluid passage

Locate and repair the source of the brake fluid restriction.

Leaking brake pipe or connection

Locate and repair the brake pipe or the connection.

Leaking piston seal

Replace the caliper piston seal

Sticky caliper or caliper pistons

Repair or replace the caliper.

Parking brake not releasing

Repair the malfunctioning park brake lever or frozen parking brake cables.

Improper caliper to knuckle clearance

Repair as necessary.

Improper rotor surface finish

Refinsh the rotor surface or replace the rotor.