| Operation and Leakage Check |
|
Component |
Procedure |
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|
Brake Booster (A) |
Check brake operation by applying the brakes during a test drive. If the
brakes do not work properly, check the brake booster. Replace the brake
booster as an assembly if it does not work properly or if there are signs
of leakage. |
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|
Piston cup and pressure cup inspection (B) |
|
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|
Brake hoses (C) |
Look for damage or signs of fluid leakage. Replace the brake hose with a
new one if it is damaged or leaking. |
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|
Caliper piston seal and piston boots (D) |
Check brake operation by applying the brakes. Look for damage or signs of fluid leakage. If the pedal does not work properly, the brakes drag, or there is damage or signs of fluid leakage, disassemble and inspect the brake caliper. Replace the boots and seals with new ones whenever the brake caliper is disassembled. |

Brake System
Brake Booster Components and components locationHyundai Kona (OS) 2018-2026 Service Manual: Components and components location
Components
1. Body control module (BCM)
2. TPMS sensor (FL)
3. TPMS sensor (RL)
4. TPMS sensor (FR)
5. TPMS sensor (RR)
...
Hyundai Kona (OS) 2018-2026 Service Manual: Troubleshooting
Troubleshooting
Error Item
Failure symptom
Inspection items
Detailed inspections
Relevant Parts/
Components
Screen display
TFT-LCD screen does not turn on
...