Symptom
|
Suspect Area
|
Reference
|
Lower pedal or
spongy pedal
|
1. |
Brake system (Fluid
leaks) |
3. |
Piston seals (Worn or
damaged) |
4. |
Rear brake shoe clearance(Out of
adjustment) |
5. |
Master cylinder
(Inoperative) | |
repair air·bleed replace adjust replace
|
Brake
drag
|
1. |
Brake pedal freeplay
(Minimum) |
2. |
Parking brake lever travel (Out of
adjustment) |
3. |
Parking brake wire
(Sticking) |
4. |
Rear brake shoe clearance(Out of
adjustment) |
5. |
Pad or lining (Cracked or
distorted) |
8. |
Anchor or Return spring
(Inoperative) |
9. |
Booster system (Vacuum
leaks) |
10. |
Master cylinder
(Inoperative) | |
adjust adjust repair adjust replace replace replace replace repair replace
|
Brake
pull
|
5. |
Pad or lining (Cracked or
distorted) | |
replace replace replace replace replace
|
Hard pedal but
brake inefficient
|
1. |
Brake system (Fluid
leaks) |
4. |
Pad or lining (Cracked or
distorted) |
5. |
Rear brake shoe clearance(Out of
adjustment) |
7. |
Pad or lining
(Glazed) |
9. |
Booster system (Vacuum
leaks) | |
repair air·bleed replace replace adjust adjust replace replace repair
|
Noise from
brake
|
1. |
Pad or lining (Cracked or
distorted) |
2. |
Installation bolt
(Loosen) |
6. |
Pad or lining
(Glazed) |
7. |
Anchor or Return spring
(Faulty) |
8. |
Brake pad shim
(Damage) |
9. |
Shoe hold-down spring
(Damage) | |
replace adjust replace replace clean replace replace replace replace
|
Brake
fades
|
|
replace
|
Brake
vibration, pulsation
|
5. |
master cylinder cap
seal |
|
replace adjust replace replace replace replace
|
Brake
Chatter
|
Brake chatter is
usually caused by loose or worn components, or glazed or burnt
linings. Rotors with hard spots can also contribute to brake
chatter. Additional causes of chatter are out-of-tolerance rotors,
brake lining not securely attached to the shoes, loose wheel
bearings and contaminated brake lining.
|
|