Hyundai Veloster: Troubleshooting
First generation (2011–present) / Hyundai Veloster 2010-2019 Service Manual / Brake System / General Information / Troubleshooting
First generation (2011–present) / Hyundai Veloster 2010-2019 Service Manual / Brake System / General Information / 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:
General Information
General Troubleshooting Information
Before Troubleshooting
1.
Check applicable fuses in the appropriate fuse/relay box.
2.
Check the batter ...
Purge Control Solenoid Valve (PCSV). Description and Operation
Description
Purge Control Solenoid Valve (PCSV) is installed on the surge tank and
controls the passage between the canister and the intake manifold. It is a solenoid
valve and is open when ...
Repair procedures
Component Replacement After Deployment
Before doing any SRS repairs, use the GDS to check for DTCs. Refer
to the Diagnostic Tr ...
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