Troubleshooting
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 bleeding 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. Pad (Cracked or distorted) 5. Piston (Stuck) 6. Piston (Frozen) 7. Booster system (Vacuum leaks) 8. Master cylinder (Inoperative) |
adjust adjust repair replace replace replace repair 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 bleeding replace replace adjust replace replace replace repair |
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. Brake pad shim (Damage) |
replace adjust replace replace clean replace replace |
Brake fades |
1. master cylinder |
replace |
Brake vibration, pulsation |
1. brake booster 2. pedal free play 3. master cylinder 4. caliper 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. |
|
To decrease the cruising speed
Follow either of these procedures:
Move the lever down (to SET-) and hold it. Your vehicle will gradually
slow down. Release the lever at the speed you want to maintain.
Move the lever down ...
Engine compartment fuse replacement
1. Turn the ignition switch and all other switches off. 2. Remove the fuse
panel cover by pressing the tab and pulling up. 3. Check the removed fuse; replace
it if it is blown. To remove or inse ...
Immobilizer system
Your vehicle is equipped with an electronic engine immobilizer system to reduce
the risk of unauthorized vehicle use.
Your immobilizer system is comprised of a small transponder in the ignition key ...