Hyundai Veloster Manuals

Hyundai Veloster: Troubleshooting - General Information - Brake SystemHyundai Veloster: Troubleshooting

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. Pad (Cracked or distorted)
5. Piston (Stuck)
6. Piston (Frozen)
7. Booster system (Vacuum leaks)
8. Master cylinder (Inoperative)
adjust
adjust
repair
replace
replace
replace
repair
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
Air bleeding
replace
replace
adjust
replace
replace
replace
repair
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. Brake pad shim (Damage)
replace
adjust
replace
replace
clean
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
Special Service Tools Tool (Number and Name) Illustration Use 09581-11000 Piston expander Spreading the front disc ...

Brake System
...

See also:

Manifold Absolute Pressure Sensor (MAPS). Schematic Diagrams
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Impact sensing door unlock system
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Sunshade
The sunshade will automatically open, when you push the sunroof control lever backward to the first detent and then release it. The sunshade will automatically close, when you push the sunroof co ...

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