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 TABLE - BRAKE SYSTEM
| Symptom |
Suspected Area |
| Low pedal or spongy pedal |
- Fluid leaks in the brake system
- Air in the brake system
- Piston seals (Worn or damaged)
- Master cylinder (Faulty)
- Booster push rod (Out of adjustment)
|
| Brake drag |
- Brake pedal free play (Minimal)
- Parking brake lever travel (Out of adjustment)
- Parking brake wire (Sticking)
- Parking brake shoe clearance (Out of adjustment)
- Pad (Cracked or distorted)
- Piston (Stuck)
- Piston (Frozen)
- Booster push rod (Out of adjustment)
- Vacuum leak in the booster system
- Master cylinder (Faulty)
|
| Brake pull |
- Piston (Stuck)
- Pad (Oily)
- Piston (Frozen)
- Disc (Scored)
- Pad (Cracked or distorted)
|
| Hard pedal but brake inefficient |
- Fluid leaks in the brake system
- Air in the brake system
- Pad (Worn)
- Pad (Cracked or distorted)
- Pad (Oily)
- Pad (Glazed)
- Disc (Scored)
- Booster push rod (Out of adjustment)
- Vacuum leaks in the booster system
|
| Brake noise |
- Pad (Cracked or distorted)
- Installation bolt (Loose)
- Disc (Scored)
- Pad support plate (Loose)
- Sliding pin (Worn)
- Pad (Dirty)
- Pad (Glazed)
- Anti-squeal shim (Damaged)
|