Use the table below to help you find the cause of the problem.
The numbers indicate the priority of the likely
cause of the problem. Check each part in order. If necessary, replace these
parts.
Symptom |
Suspect Area |
Low pedal or spongy pedal |
- Fluid leaks for brake system
- Air in brake system
- Piston seals (Worn or damaged)
- Rear brake shoe clearance (Out of adjustment)
- Master cylinder (Fauly)
- Booster push rod (Out of adjustment)
|
Brake drag |
- Brake pedal freeplay (Minimal)
- Parking brake pedal travel (Out of adjustment)
- Parking brake wire (Sticking)
- Rear brake shoe clearance (Out of adjustment)
- Parking brake shoe clearance (Out of adjustment)
- Pad or lining (Cracked or distorted)
- Piston (Stuck)
- Piston (Frozen)
- Anchor, tension or return spring (Faulty)
- Booster push rod (Out adjustment)
- Master cylinder (Faulty)
|
Brake pull |
- Piston (Stuck)
- Pad or lining (Oily)
- Piston (Frozen)
- Disc (Scored)
- Pad or lining (Cracked or distorted)
|
Hard pedal but brake inefficient |
- Fluid leaks for brake system
- Air in brake system
- Pad or lining (Worn)
- Pad or lining (Cracked or distorted)
- Rear brake shoe clearance (Out of adjustment)
- Pad or lining (Oily)
- Pad or lining (Glanzed)
- Disc (Scored)
- Booster push rod (Out of adjustment)
|