Damaged booster.

Refer to Power Brake Booster Replacement .

Worn-out brake lining.

Replace the linings. Refer to

Uneven lining wear.

Replace the lining or correct the condition.

Refer to

Brake Pad Inspection .

Incorrect lining material.

Replace the brake pads.

Refer to

Brake pads damaged by abuse. Replace the brake pads.

Refer to 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 .