Problem Symptoms Table
Use the table below to help you find the cause of the problem. The numbers indicate the priority of the like cause of the problem. Check each part in order. If necessary, replace these parts
PROBLEM SYMPTOM TABLE - ANTI-LOCK BRAKE SYSTEM
| Symptom |
Suspect Area |
Remedy |
| Lower pedal or spongy pedal |
- Brake system (Fluid leaks)
- Brake system (Air in)
- Piston seals (Worn or damaged)
- Rear brake shoe clearance (Out of adjustment)
- Master cylinder (Faulty)
|
Correct
Bleeding
Replace
Adjust
Replace |
| Brake drag |
- Brake pedal freeplay (Minimal)
- Parking brake lever travel (Out of adjustment)
- Parking brake wire (Sticking)
- Rear brake shoe clearance (Out of adjustment)
- Pad or lining (Cracked or distorted)
- Piston (Stuck)
- Piston (Frozen)
- Return spring (Faulty)
- Booster system (Vacuum leaks)
- Master cylinder (Faulty)
|
Adjust
Adjust
Correct
Adjust
Replace
Replace
Replace
Replace
Replace
Replace |
| Brake pull |
- Pad or lining (Oily)
- Piston (Frozen)
- Disc (Scored)
- Pad or lining (Cracked or distorted)
|
Replace
Replace
Replace
Replace |
| Hard pedal but brake inefficient |
- Brake system (Fluid leaks)
- Brake system (Air in)
- Pad or lining (Worn)
- Pad or lining (Cracked or distorted)
- Rear brake shoe clearance (Out of adjustment)
- Pad or lining (Oily)
- Pad or lining (Glazed)
- Disc (Scored)
- Booster system (Vacuum leaks)
|
Correct
Bleeding
Replace
Replace
Adjust
Replace
Replace
Replace
Replace |
| Noise from brake |
- Pad or lining (Cracked or distorted)
- Installation bolt (Loosen)
- Disc (Scored)
- Pad retainers (Loosen)
- Sliding pin (Worn)
- Pad or lining (Dirty)
- Pad or lining (Glazed)
- Return spring (Faulty)
- Brake pad shim (Damage)
- Shoe hoid-down spring (Damage)
|
Replace
Retighten
Replace
Replace
Replace
Clearing
Replace
Replace
Replace
Replace |