BRAKE SYSTEM PROBLEM SYMPTOMS TABLE
Tech Tips
Use the table below to help you find the cause of the problem. The numbers indicate the ranked order of probability of each of the possible causes. Check each part in the order suggested. If necessary, replace the applicable parts.
| Symptom | Suspected area | See page |
|---|---|---|
| Low pedal or spongy pedal | 1. Fluid leakage in brake system | - |
| 2. Air in brake system | ||
| 3. Piston seal (Worn or damaged) | ||
| 4. Brake master cylinder (Faulty) | ||
| Brake drag | 1. Brake pedal free play (Minimum) | |
| 2. Parking brake lever travel (Out of adjustment) | ||
| 3. Parking brake wire (Sticking) | ||
| 4. Brake shoe clearance (Out of adjustment) | ||
| 5. Pad (Cracked or distorted) | ||
| 6. Brake shoe (Cracked or distorted) | ||
| 7. Front disc brake piston (Stuck) | ||
| 8. Wheel brake cylinder (Piston stuck) | ||
| 9. Front disc brake piston (Frozen) | ||
| 10. Wheel brake cylinder (Piston frozen) | ||
| 11. Retaining strut, return shoe or retaining shoe spring. (Fauly) | ||
| 12. Booster system (Vacuum leakage) | ||
| 13. Brake master cylinder (Faulty) | ||
| Brake pull | 1. Front disc brake piston (Stuck) | |
| 2. Wheel brake cylinder (Piston stuck) | ||
| 3. Pad (Oily) | ||
| 4. Brake shoe (Oily) | ||
| 5. Front disc brake piston (Frozen) | ||
| 6. Wheel brake cylinder (Piston frozen) | ||
| 7. Front disc (Scored) | ||
| 8. Rear brake drum (Scored) | ||
| 9. Pad (Cracked or distorted) | ||
| 10. Brake shoe (Cracked or distorted) | ||
| Hard pedal but braking inefficient | 1. Fluid leakage in brake system | - |
| 2. Air in brake system | ||
| 3. Front disc brake piston (Stuck) | ||
| 4. Wheel brake cylinder (Piston stuck) | ||
| 5. Pad (Cracked or distorted) | ||
| 6. Brake shoe (Cracked or distorted) | ||
| 7. Pad (Oily) | ||
| 8. Brake shoe (Oily) | ||
| 9. Pad (Glazed) | ||
| 10. Brake shoe (Glazed) | ||
| 11. Front disc (Scored) | ||
| 12. Rear brake drum (Scored) | ||
| 13. Booster system (Vacuum leakage) | ||
| Noise from brakes | 1. Pad (Cracked or distorted) | |
| 2. Brake shoe (Cracked or distorted) | ||
| 3. Installation bolt (Loose) | ||
| 4. Front disc (Scored) | ||
| 5. Rear brake drum (Scored) | ||
| 6. Pad support plate (Loose) | ||
| 7. Sliding pin (Worn) | ||
| 8. Pad (Dirty) | ||
| 9. Brake shoe (Dirty) | ||
| 10. Pad (Glazed) | ||
| 11. Brake shoe (Glazed) | ||
| 12. Retaining strut, return shoe or retaining shoe spring (Faulty) | ||
| 13. Shoe hold down spring (Damaged) |