Kia Sorento: Troubleshooting
Second Generation XM (2011-2026) / Kia Sorento XM 2011-2026 Service Manual / Brake System / Troubleshooting
| Problem Symptoms Table |
Use the table below to help you find the cause of the problem. The numbers
indicate the priority of the like cause of the problem. Check each part in order.
If necessary, replace these parts.
| 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 shoe (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 adjust 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 shoe (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
Tool(Number and Name)
Illustration
Use
09581-11000
Piston expander
Spreading the front disc brake piston.
...
Brake System
...
See also:
Seat Belt Buckle Switch (BS) Description
The SRSCM shall monitor the status of the driver and front passenger seat
belt buckle. The SRSCM provides one pin each for the driver and front passenger
seat belt buckle status input. The se ...
IMS Power Seat Control Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the power seat control switch connectors (A).
(Refer to Body - "Front se ...
Brake Pedal Removal
1.
Turn ignition switch OFF and disconnect the negative (-) battery
cable.
2.
Remove the crash pad lower panel and reinforce panel.
...
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