Problem Symptoms Table
Use the table below to help find the cause of each problem. The numbers indicate the priority of the likely cause of the problem. Check each part in order. If necessary, replace these parts.
PROBLEM SYMPTOMS
| Symptom | Suspected Area | See |
|---|---|---|
| Low pedal or spongy pedal | 1. Fluid leaks in the brake system | - |
| 2. Air in the brake system | BRAKE FLUID | |
| 3. Piston seals are worn or damaged (for front) | FRONT BRAKE | |
| 4. Piston seals are worn or damaged (for rear) | REAR BRAKE | |
| 5. Master cylinder is faulty | BRAKE MASTER CYLINDER | |
| 6. Booster push rod clearance is out of adjustment | BRAKE MASTER CYLINDER | |
| Brake drag | 1. Brake pedal free play (Minimal) | BRAKE PEDAL |
| 2. Parking brake lever travel clearance is out of adjustment | PARKING BRAKE SYSTEM | |
| 3. Parking brake cable is stuck | PARKING BRAKE CABLE | |
| 4. Parking brake shoe clearance is out of adjustment | REASSEMBLY | |
| 5. Pad is cracked or distorted (for front) | FRONT BRAKE | |
| 6. Pad is cracked or distorted (for rear) | REAR BRAKE | |
| 7. Piston is stuck (for front) | FRONT BRAKE | |
| 8. Piston is stuck (for rear) | REAR BRAKE | |
| 9. Piston is frozen (for front) | FRONT BRAKE | |
| 10. Piston is frozen (for rear) | REAR BRAKE | |
| 11. Booster push rod clearance is out of adjustment | BRAKE MASTER CYLINDER | |
| 12. Vacuum check valve | - | |
| 13. Vacuum leaks in the booster system | BRAKE BOOSTER | |
| 14. Master cylinder is faulty | BRAKE MASTER CYLINDER | |
| Brake pull | 1. Piston is stuck (for front) | FRONT BRAKE |
| 2. Piston is stuck (for rear) | REAR BRAKE | |
| 3. Pad is oily (for front) | FRONT BRAKE | |
| 4. Pad is oily (for rear) | REAR BRAKE | |
| 5. Piston is frozen (for front) | FRONT BRAKE | |
| 6. Piston is frozen (for rear) | REAR BRAKE | |
| 7. Disc is scored (for front) | FRONT BRAKE | |
| 8. Disc is scored (for rear) | REAR BRAKE | |
| 9. Pad is cracked or distorted (for front) | FRONT BRAKE | |
| 10. Pad is cracked or distorted (for rear) | REAR BRAKE | |
| Hard pedal but brake inefficient | 1. Fluid leaks in the brake system | - |
| 2. Air in the brake system | BRAKE FLUID | |
| 3. Pad is worn (for front) | FRONT BRAKE | |
| 4. Pad is worn (for rear) | REAR BRAKE | |
| 5. Pad is cracked or distorted (for front) | FRONT BRAKE | |
| 6. Pad is cracked or distorted (for rear) | REAR BRAKE | |
| 7. Pad is oily (for front) | FRONT BRAKE | |
| 8. Pad is oily (for rear) | REAR BRAKE | |
| 9. Pad is glazed (for front) | FRONT BRAKE | |
| 10. Pad is glazed (for rear) | REAR BRAKE | |
| 11. Disc is scored (for front) | FRONT BRAKE | |
| 12. Disc is scored (for rear) | REAR BRAKE | |
| 13. Booster push rod clearance is out of adjustment | BRAKE MASTER CYLINDER | |
| 14. Vacuum check valve | - | |
| 15. Vacuum leaks in the booster system | BRAKE BOOSTER | |
| Brake noise | 1. Pad is cracked or distorted (for front) | FRONT BRAKE |
| 2. Pad is cracked or distorted (for rear) | REAR BRAKE | |
| 3. Installation bolt is loose (for front) | FRONT BRAKE | |
| 4. Installation bolt is loose (for rear) | REAR BRAKE | |
| 5. Disc is scored (for front) | FRONT BRAKE | |
| 6. Disc is scored (for rear) | REAR BRAKE | |
| 7. Pad support plate is loose (for front) | FRONT BRAKE | |
| 8. Pad support plate is loose (for rear) | REAR BRAKE | |
| 9. Sliding pin is worn (for front) | FRONT BRAKE | |
| 10. Sliding pin is worn (for rear) | REAR BRAKE | |
| 11. Pad is dirty (for front) | FRONT BRAKE | |
| 12. Pad is dirty (for rear) | REAR BRAKE | |
| 13. Pad is glazed (for front) | FRONT BRAKE | |
| 14. Pad is glazed (for rear) | REAR BRAKE | |
| 15. Anti-squeal shim is damaged (for front) | FRONT BRAKE | |
| 16. Anti-squeal shim is damaged (for rear) | REAR BRAKE |