Contaminated or improper brake fluid.

Refer to Master Cylinder Description .

Worn-out brake lining. Replace the brake pads.

Refer to Brake Pads Replacement in Disc Brakes.

Uneven brake wear. Replace or correct. Glazed brake pads.

Refer to Brake Pad Inspection in Disc Brakes.

Incorrect brake pads material. Replace the brake pads.

Refer to Brake Pads Replacement in Disc Brakes.

Contaminated brake lining. Replace the linings.

Refer to Brake Pads Replacement in Disc Brakes.

Brake pads damaged by abuse.

Refer to Brake Pads Replacement in Disc Brakes.

Heat spotted or scored discs.

Refer to Brake Pad and Rotor Burnishing .

Brake assembly attachments are missing or loose.

Refer to Hydraulic Brake System Bleeding .

Restricted brake fluid passage.

Refer to Hydraulic Brake System Bleeding .

Improperly adjusted parking brake.

Refer to Parking Brake Shoe Adjustment in Park Brake.

Incorrect front end alignment.

Refer to Front Caster Adjustment , Front Camber Adjustment , Front Toe Adjustment , Checking and Correcting King Pin Inclination , and Stop Screw Adjustment in Wheel Alignment.

Incorrect tire pressure.

Refer to Tire Inflation Description in Tires and Wheels.

Loose front suspension attachments.

Refer to Wander or Poor Steering Stability in Front Suspension.

Sticking caliper or caliper pistons.

Refer to Brake Caliper Replacement .

Parking brake not releasing.

Refer to Park Brake. Parking Brake Shoe Inspection