Problem Symptoms Table
Use the table below to help determine 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.
BRAKE SYSTEM
BRAKE SYSTEM
| Symptom | Suspected area | See |
|---|---|---|
| Low pedal or spongy pedal | 1. Fluid leaks in brake system | BRAKE FLUID |
| 2. Air in brake system | BRAKE FLUID | |
| 3. Piston seals (Worn or damaged) (FRONT) | REMOVAL | |
| 4. Piston seals (Worn or damaged) (REAR) | REMOVAL | |
| 5. Master cylinder (Faulty) | REMOVAL | |
| 6. Booster push rod (Out of adjustment) | INSPECTION | |
| Brake drag | 1. Brake pedal free play (Insufficient) | DISASSEMBLY |
| 2. Parking brake lever travel (Out of adjustment) | PARKING BRAKE LEVER | |
| 3. Parking brake pedal travel (Out of adjustment) | PARKING BRAKE LEVER | |
| 4. Parking brake cable (Sticking) | REMOVAL | |
| 5. Parking brake shoe clearance (Out of adjustment) | ADJUSTMENT | |
| 6. Pad (Cracked or distorted) (FRONT) | REMOVAL | |
| 7. Pad (Cracked or distorted) (REAR) | REMOVAL | |
| 8. Piston (Stuck) (FRONT) | REMOVAL | |
| 9. Piston (Stuck) (REAR) | REMOVAL | |
| 10. Piston (Seized) (FRONT) | REMOVAL | |
| 11. Piston (Seized) (REAR) | REMOVAL | |
| 12. Booster push rod (Out of adjustment) | INSPECTION | |
| 13. Vacuum leaks in booster systems | ON-VEHICLE INSPECTION | |
| 14. Master cylinder (Faulty) | REMOVAL | |
| Brake pull | 1. Piston (Stuck) (FRONT) | REMOVAL |
| 2. Piston (Stuck) (REAR) | REMOVAL | |
| 3. Pad (Oily) (FRONT) | REMOVAL | |
| 4. Pad (Oily) (REAR) | REMOVAL | |
| 5. Piston (Seized) (FRONT) | REMOVAL | |
| 6. Piston (Seized) (REAR) | REMOVAL | |
| 7. Disc (Scored) (FRONT) | INSPECTION | |
| 8. Disc (Scored) (REAR) | INSPECTION | |
| 9. Pad (Cracked or distorted) (FRONT) | INSPECTION | |
| 10. Pad (Cracked or distorted) (REAR) | INSPECTION | |
| Hard pedal but brake inefficient | 1. Fluid leaks in brake systems | BRAKE FLUID |
| 2. Air in brake system | BRAKE FLUID | |
| 3. Pad (Worn) (FRONT) | INSPECTION | |
| 4. Pad (Worn) (REAR) | INSPECTION | |
| 5. Pad (Cracked or distorted) (FRONT) | INSPECTION | |
| 6. Pad (Cracked or distorted) (REAR) | INSPECTION | |
| 7. Pad (Oily) (FRONT) | INSPECTION | |
| 8. Pad (Oily) (REAR) | INSPECTION | |
| 9. Pad (Glazed) (FRONT) | INSPECTION | |
| 10. Pad (Glazed) (REAR) | INSPECTION | |
| 11. Disc (Scored) (FRONT) | INSPECTION | |
| 12. Disc (Scored) (REAR) | INSPECTION | |
| 13. Booster push rod (Out of adjustment) | INSPECTION | |
| 14. Vacuum leaks in booster system | ON-VEHICLE INSPECTION | |
| Noise from brakes | 1. Pad (Cracked or distorted) (FRONT) | INSPECTION |
| 2. Pad (Cracked or distorted) (REAR) | INSPECTION | |
| 3. Cylinder mounting bolt (Loose) (FRONT) | REMOVAL | |
| 4. Caliper support bolt (Loose) (REAR) | DISASSEMBLY | |
| 5. Disc (Scored) (FRONT) | INSPECTION | |
| 6. Disc (Scored) (REAR) | INSPECTION | |
| 7. Pad support plate (Loose) (FRONT) | INSPECTION | |
| 8. Pad support plate (Loose) (REAR) | INSPECTION | |
| 9. Sliding pin (Worn) (FRONT) | REMOVAL | |
| 10. Sliding pin (Worn) (REAR) | REMOVAL | |
| 11. Pad (Dirty) (FRONT) | REMOVAL | |
| 12. Pad (Dirty) (REAR) | REMOVAL | |
| 13. Pad (Glazed) (FRONT) | REMOVAL | |
| 14. Pad (Glazed) (REAR) | REMOVAL | |
| 15. Anti-squeal shim (Damaged) (FRONT) | REMOVAL | |
| 16. Anti-squeal shim (Damaged) (REAR) | REMOVAL |