Tech Tips
Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
| Symptom | Suspected Area | See page |
|---|---|---|
| Low pedal or spongy pedal | Fluid leaks in brake system | - |
| Air in brake system | ||
| Piston seals (worn or damaged) | ||
| Rear brake shoe clearance (adjustment necessary) | ||
| Brake master cylinder (faulty) | ||
| Booster push rod (adjustment necessary) | ||
| Brake drag | Brake pedal free play (minimal) | |
| Parking brake lever travel (adjustment necessary) | ||
| Parking brake cable (stuck) | ||
| Rear brake shoe clearance (adjustment necessary) | ||
| Pad (cracked or distorted) | ||
| Lining (cracked or distorted) | ||
| Piston, front (stuck or frozen) | ||
| Piston, rear (stuck or frozen) | ||
| Tension or return spring (faulty) | ||
| Booster push rod (adjustment necessary) | ||
| Vacuum leaks in booster system | ||
| Brake master cylinder (faulty) | ||
| Brake pull | Piston, front (stuck or frozen) | |
| Piston, rear (stuck or frozen) | ||
| Pad (oily, cracked or distorted) | ||
| Lining (oily, cracked or distorted) | ||
| Disc (scored) | ||
| Brake pedal is depressed firmly but brake is insufficient | Fluid leaks in brake system | - |
| Air in brake system | ||
| Pad (worn, cracked, distorted, oily or glazed) | ||
| Lining (worn, cracked, distorted, oily or glazed) | ||
| Rear brake shoe clearance (adjustment necessary) | ||
| Disc (scored) | ||
| Booster push rod (adjustment necessary) | ||
| Vacuum leaks in booster system | ||
| Noise from brakes | Pad (cracked, distorted, dirty or glazed) | |
| Lining (cracked, distorted, dirty or glazed) | ||
| Installation bolt (loose) | ||
| Disc (scored) | ||
| Anchor, return or tension spring (faulty) | ||
| Anti-squeal shim (damaged) | ||
| Shoe hold down spring (damaged) |