Hyundai Accent: TroubleshootingTroubleshooting
| 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. Rear brake shoe clearance(Out of adjustment) 5. Pad or lining (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 repair replace |
|
Brake pull |
1. Piston (Sticking) 2. Pad or lining (Oily) 3. Piston (Frozen) 4. Disc (Scored) 5. Pad or lining (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 or lining (Worn) 4. Pad or lining (Cracked or distorted) 5. Rear brake shoe clearance(Out of adjustment) 6. Pad or lining (Oily) 7. Pad or lining (Glazed) 8. Disc (Scored) 9. Booster system (Vacuum leaks) |
repair Air bleeding replace replace adjust replace replace replace repair |
|
Noise from brake |
1. Pad or lining (Cracked or distorted) 2. Installation bolt (Loosen) 3. Disc (Scored) 4. Sliding pin (Worn) 5. Pad or lining (Dirty) 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 |
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. |
|
Special Service Tools
Brake SystemReplacement
Rear Brake Pads
1.
Loosen the guide rod bolt (B) and then remove the rear caliper
body (A).
Tightening torque:
21.6 ~ 31 ...
Transaxle Control Module (TCM). Description and Operation
Description
Transaxle Control Module (TCM) is the automatic transaxle's brain. The
module receives and processes signals from various sensors and implements a
wide range of transaxle con ...
Adjustment
ETC module learning
procedure
When installing new ETC module or re-installing it, ETC module
learning procedure must be performed.
1.
Hold the ignition k ...