Kia Sportage: Troubleshooting| 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·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 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·bleed 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 (Inoperative) | 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. |
Special Service Tools
Brake SystemComponents and Components Location
Component Location (1)
1. Hood switch2. Burglar horn3. RKE receiver4. BCM (Body Control Module)5. Front door switch6. Front door lock actuator & switch7. Rear door lock actuator & switch8 ...
How does the air bag system operate
Air bags are activated (able to inflate if necessary) only when the ignition
switch is turned to the ON or START position.
Air bags inflate instantly in the event of a serious frontal collisio ...