Kia Sorento: Troubleshooting
Kia Sorento (MQ4, 2021-2026) Service Manual / Brake System / Troubleshooting
| Troubleshooting |
| Problem Symptoms Table |
Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely
cause of the problem.
Check each part in order.
If necessary, replace these parts.
|
Symptom |
Possible cause |
Countermeasure |
| Lower pedal or sponge pedal |
Brake system (oil leakage) |
Repair |
|
Brake system (air inflow) |
Perform air bleeding procedure |
|
|
Piston seal (worn out or damaged) |
Replace |
|
|
Rear brake shoe separation (faulty adjustment) |
Adjust |
|
|
Master cylinder (malfunction) |
Replace |
|
| Brake drag |
Brake pedal free separation (minimum) |
Adjust |
|
Parking brake cable length (adjustment) |
Adjust |
|
|
Parking brake cable (sticking) |
Repair |
|
|
Rear brake shoe separation (adjustment) |
Adjust |
|
|
Pad and lining (twisted or cracked) |
Replace |
|
|
Piston (sticking) |
Replace |
|
|
Piston (frozen) |
Replace |
|
|
Anker or return spring (malfunction) |
Replace |
|
|
Booster system (leakage of vacuum) |
Repair |
|
|
Master cylinder (malfunction) |
Replace |
|
| Uneven brake |
Piston (sticking) |
Replace |
|
Pad and lining (oil stain, cracked or twisted) |
Replace |
|
| Heavy pedal and brake trouble |
Brake system (oil leakage, air inflow) |
Perform air bleeding procedure |
|
Pad or lining (worned out) |
Replace |
|
|
Pad or lining (cracked or twisted) |
Replace |
|
|
Rear brake shoe separation (adjustment trouble) |
Adjust |
|
|
Pad or lining (oil stain) |
Replace |
|
|
Pad or lining (slippery) |
Replace |
|
|
Booster system (leakage of vacuum) |
Repair |
|
| Noise from brake |
Pad or lining (cracked or twisted) |
Replace |
|
Removeess of wheel bolt and caliper |
Adjust |
|
|
Pad sliding trouble (Pad uneven worn out) |
Replace |
|
|
Pad or lining (dirty) |
Cleaning |
|
|
Pad or lining (slippery) |
Pad replacement |
|
|
Anker or return spring (malfunction) |
Replace |
|
|
Brake pad shim (damaged) |
Replace |
|
|
Hold down spring (damaged) |
Replace |
|
|
Foreign substance stucked between disc and pad |
Cleaning |
|
|
Corrosion on disc |
Test drive vehicle to get rid of corrosion between rotor and pads. |
|
|
Grooved disc |
Replace |
|
| Poor braking performance (at highway speeds) |
Pad or lining (worned out) |
Replace |
|
Master cylinder (malfunction) |
Replace |
|
| Brake vibration |
Brake booster (vacuum leak) |
Repair |
|
Pedal free separation |
Adjust |
|
|
Master cylinder (malfunction) |
Replace |
|
|
Damaged on master cylinder cap |
Replace |
|
|
Damaged on brake line |
Replace |
|
|
Caliper returning trouble (while tire is turning, check for noise) |
Replace |
|
|
Warped rotor |
Replace |
Special Service Tools
Tool Name / Number
Illustration
Description
Piston expander09581-11000
...
Special Service Tools
Brake System Bleeding Procedures
...
Brake Bleeding Procedures
See also:
Front Driveshaft Components and Components Location
Components
1. Front driveshaft (LH)2. Inner shaft bearing
bracket
3. Front driveshaft (RH)
...
Accelerator Pedal Installation
1.
Install in the reverse order of removal.
Accelerator pedal module installation
nut:
16.7 ~ 25.5 N.m (1.7 ~ 2.6 kgf.m, 12.3 ~ 18 ...
Troubleshooting
Troubleshooting
Hard to turn steering wheel
Suspected causes
Repair
...
Manuals list
- Kia Sorento MQ4 2021-2026 Owners Manual
- Kia Sorento XM 2011-2015 Owners Manual
- Kia Sorento XM 2011-2015 Service Manual
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