Problem Symptoms Table
Use the table below to help you find 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.
| Symptom | Expected cause | Countermeasure |
|---|---|---|
| Lower pedal or sponge pedal | Brake system (oil leakage) | Repair |
| Brake system (air inflow) | Air bleeding out procedure | |
| Piston seal (worn out or damaged) | Replace | |
| Rear brake shoe separation (faulty adjustment) | Adjust | |
| Master cylinder (malfunction) | Replace | |
| Dragged brake | Brake pedal free separation (minimum) | Adjust |
| Parking brake cable length (adjustment trouble) | Adjust | |
| Parking brake cable (trapped) | Repair | |
| Rear brake shoe separation (adjustment trouble) | Adjust | |
| Pad and lining (twisted or cracked) | Replace | |
| Piston (trapped) | Replace | |
| Piston (frozen) | Replace | |
| Anchor or return spring (malfunction) | Replace | |
| Booster system (leakage of vacuum) | Repair | |
| Master cylinder (malfunction) | Replace | |
| Uneven brake | Piston (trapped) | Replace |
| Pad and lining (oil stain, cracked or twisted) | Replace | |
| Heavy pedal and brake trouble | Brake system (oil leakage, air inflow) | Perform air bleeding procedure |
| Pad or lining (worn out) | Replace | |
| Pad or lining (cracked or twisted) | Replace | |
| Rear brake shoe separation (adjustment trouble) | Adjust | |
| Pad or lining (oil stain) | Replace | |
| Pad or lining (slippery) | Replace | |
| Disc (scratched) | Replace | |
| Booster system (leakage of vacuum) | Repair | |
| Noise from brake | Pad or lining (cracked or twisted) | Replace |
| Looseness of wheel bolt and caliper | Adjust | |
| Pad sliding trouble (Pad uneven worn out) | Replace | |
| Pad or lining (dirty) | Cleaning | |
| Pad or lining (slippery) | Pad replacement | |
| Anchor or return spring (malfunction) | Replace | |
| Brake pad shim (damaged) | Replace | |
| Hold down spring (damaged) | Replace | |
| Foreign substance stuck between disc and pad | Cleaning | |
| Corrosion on disc | Test drive brake and cleaning *get rid of corrosion by friction while test drive brake |
|
| Caved disc | Replace | |
| Not fully functioning on brake (when drive speed is fast) | Pad or lining (worned out) | Replace |
| Master cylinder (malfunction) | Replace | |
| Brake vibration | Brake booster (leakage of vacuum) | Repair |
| Pedal free separation | Adjust | |
| Master cylinder (malfunction) | Replace | |
| Damaged on master cylinder cap | Replace | |
| Damaged on brake line | Replace | |
| Caliper returning trouble (while tire is turning, check the noise) | Replace | |
| Transformed disc | Replace |