BRAKE SYSTEM PROBLEM SYMPTOMS TABLE
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Symptom |
Suspected Area |
Link |
|---|---|---|
Low or spongy pedal |
Brake fluid leaks in brake system |
- |
Air in brake system |
||
Front brake piston seal (worn or damaged) |
||
Brake master cylinder sub-assembly*1 (faulty) |
||
Brake master cylinder sub-assembly*2 (faulty) |
||
Brake drag |
Brake pedal free play*1 (insufficient) |
|
Brake pedal free play*2 (insufficient) |
||
Parking brake lever travel (out of adjustment) |
||
Rear drum brake shoe clearance (out of adjustment) |
||
Parking brake cable (sticking) |
||
Front brake pad (cracked or distorted) |
||
Rear brake shoe (cracked or distorted) |
||
Front brake piston (stuck) |
||
Front brake piston (seized) |
||
Tension or return spring (faulty) |
||
Vacuum leaks in booster system*1 |
||
Vacuum leaks in booster system*2 |
||
Brake master cylinder sub-assembly*1 (faulty) |
||
Brake master cylinder sub-assembly*2 (faulty) |
||
Brake pull |
Front brake piston (stuck) |
|
Front brake pad (oily) |
||
Rear brake shoe (oily) |
||
Front brake piston (seized) |
||
Front disc (scored) |
||
Rear drum (scored) |
||
Front brake pad (cracked or distorted) |
||
Rear brake shoe (cracked or distorted) |
||
Hard pedal but braking inefficient |
Brake fluid leaks in brake system |
- |
Air in brake system |
||
Front brake piston (stuck) |
||
Front brake pad (cracked or distorted) |
||
Rear brake shoe (cracked or distorted) |
||
Front brake pad (oily) |
||
Rear brake shoe (oily) |
||
Front brake pad (glazed) |
||
Rear brake shoe (glazed) |
||
Front disc (scored) |
||
Rear drum (scored) |
||
Vacuum leaks in booster system*1 |
||
Vacuum leaks in booster system*2 |
||
Noise from brakes |
Front brake pad (cracked or distorted) |
|
Rear brake shoe (cracked or distorted) |
||
Front brake cylinder mounting bolt (loose) |
||
Rear wheel cylinder mounting bolt (loose) |
||
Front disc (scored) |
||
Rear drum (scored) |
||
Front brake pad support plate (loose) |
||
Rear brake shoe hold down spring (loose) |
||
Front brake slide pin (worn) |
||
Rear brake shoe hold down spring pin (worn) |
||
Front brake pad (dirty) |
||
Rear brake shoe (dirty) |
||
Front brake pad (glazed) |
||
Rear brake shoe (glazed) |
||
Tension or return spring (faulty) |
||
Front brake anti-squeal shim (damaged) |
||
Rear brake shoe hold down spring (damaged) |
*1: for LHD
*2: for RHD