Kia Forte: Troubleshooting - Brake System - Kia Forte TD 2014-2018 Service ManualKia Forte: Troubleshooting

Second generation YD (2014-2018) / Kia Forte TD 2014-2018 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
airbleed
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 (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
replace
replace
Brake pull
1. Piston (Sticking)
2. Pad (Oily)
3. Piston (Frozen)
4. Disc (Scored)
5. Pad (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 (Worn)
4. Pad (Cracked or distorted)
5. Rear brake shoe clearance(Out of adjustment)
6. Pad (Oily)
7. Pad (Glazed)
8. Disc (Scored)
9. Booster system (Vacuum leaks)
repair
airbleed
replace
replace
adjust
replace
replace
replace
replace
Noise from brake
1. Pad (Cracked or distorted)
2. Installation bolt (Loosen)
3. Disc (Scored)
4. Sliding pin (Worn)
5. Pad (Dirty)
6. Pad (Glazed)
7. Anchor or Return spring (Faulty)
8. Brake pad shim (Damage)
replace
adjust
replace
replace
clean
replace
replace
replace
Brake fades
1. Pad (Worn)
2. Master cylinder (Inoperative)
replace
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 and rear disc brake piston. ...

Brake System
...

See also:

Manifold Absolute Pressure Sensor (MAPS) Removal
1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Disconnect the manifold absolute pressure sensor connecto ...

Components
1. Parking brake lever 2. Parking brake cable 3. Equalizer assembly ...

Thermostat Inspection
1. Immerse the thermostat in water and gradually heat the water. 2. Check the valve opening temperature. If the valve opening te ...

Copyright www.kifomanual.com 2014-2020