Problem Symptoms Table |
Symptom |
Suspect Area |
Reference |
Lower pedal or spongy pedal |
1. Brake system (Fluid leaks) 2. Brake system (Air in) 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 free play (Minimum) 2. Parking brake lever travel (Out of adjustment) 3. Parking brake wire (Sticking) 4. Rear brake shoe clearance(Out of adjustment) 5. Pad (Cracked or distorted) 6. Piston (Stuck) 7. Piston (Frozen) 8. Anchor or Return spring (Inoperative) 9. Booster system (Vacuum leaks) 10. Master cylinder (Inoperative) |
adjust adjust repair adjust replace replace replace replace replace replace |
Brake pull |
1. Piston (Sticking) 2. Pad (Oily) 3. Piston (Frozen) 4. Disc (Scored) 5. Pad (Cracked or distorted) |
replace replace replace replace replace |
Hard pedal but brake inefficient |
1. Brake system (Fluid leaks) 2. Brake system (Air in) 3. Pad (Worn) 4. Pad (Cracked or distorted) 5. Rear brake shoe clearance(Out of adjustment) 6. Pad (Oily) 7. Pad (Glazed) 8. Disc (Scored) 9. Booster system (Vacuum leaks) |
repair air·bleed replace replace adjust replace replace replace replace |
Noise from brake |
1. Pad (Cracked or distorted) 2. Installation bolt (Loosen) 3. Disc (Scored) 4. Sliding pin (Worn) 5. Pad (Dirty) 6. Pad (Glazed) 7. Anchor or Return spring (Faulty) 8. Brake pad shim (Damage) |
replace adjust replace replace clean replace replace replace |
Brake fades |
1. Pad (Worn) 2. Master cylinder (Inoperative) |
replace replace |
Brake vibration, pulsation |
1. Brake booster (Vacuum leaks) 2. Pedal free play 3. Master cylinder (Inoperative) 4. Caliper (Damage) 5. Master cylinder cap seal 6. Damaged brake lines |
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. |
Front Hub / Knuckle Reassembly
1.
Install the hub bearing to the knuckle assembly.
(1)
Lay the knuckle assembly (A) on press.
(2)
...
Scheduled maintenance service
Follow the Normal Maintenance Schedule if the vehicle is usually operated where
none of the following conditions apply. If any of the following conditions apply,
follow the Maintenance Under Severe ...
Parking Brake Cable Adjustment
Parking Brake Lever Stroke Adjustment
1.
Remove the floor console.
(Refer to Body group - "Floor console")
2.
Apply the b ...