Hyundai Kona: Brake System / Troubleshooting
Hyundai Kona (OS) 2018-2021 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 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 air·bleed 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 replace 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·bleed replace replace adjust replace replace replace replace |
|
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. Pad or lining (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 |
Special service tools
Special Service Tools
Tool (Number and Name)
Illustration
Use
09581-2T100
Piston expander
Sprea ...
Brake bleeding prcoedures
Brake Bleeding Prcoedures
Brake System Bleeding
•
Do not reuse the drained fluid. ...
Other information:
Hyundai Kona (OS) 2018-2021 Owners Manual: With the door lock button
To unlock a door, push the door lock button (1) to the “Unlock” position.
The red mark (2) on the door lock button will be visible.
To lock a door, push the door lock button (1) to the “Lock” position.
If the door is locked properly, the red mark (2) on the door lock button will
no ...
Hyundai Kona (OS) 2018-2021 Service Manual: Wireless Charging Lamp Repair procedures
Removal
Handling wireless charging system parts by wet hands may cause electric
shock.
1.
Disconnect the negative (-) battery terminal.
...
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