Kia Rio Manuals

Kia Rio: Troubleshooting - Brake System - Kia Rio UB 2012-2026 Service ManualKia Rio: Troubleshooting

Problem Symptoms Table
Use the table below to help you find the cause of theproblem. The numbers indicate the priority of the likecause 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 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
Tool (Number and Name) Illustration Use 09581-11000 Piston expander Spreading the front disc brake piston 09580 - 0U000 Brak ...

Operation and Leakage Check
Check all of the following items: Component Procedure Brake Booster (A) Check brake operation by applying the brakes during a test drive. If the brak ...

See also:

Record your key number
The key code number is stamped on the key code tag attached to the key set. Should you lose your keys, this number will enable an authorized Kia dealer to duplicate the keys easily. After reco ...

Inspection
1. Inspect diaphragm spring wear which is in contact with a concentric slave cylinder bearing. 2. Check the clutch cover and disc surface f ...

Description
Vehicles have many control units that use more electricity. These units control their own system based on information from diverse sensors. It is important to have a stable power supply as th ...

Categories

Copyright www.kirmanual.com 2014-2026