Hyundai Kona: Brake System / Repair procedures

Operation and Leakage Check
Check all of the following items :
Component
Procedure
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.
Piston cup and pressure cup inspection (B)

Check brake operation by applying the brakes. Look for damage or signs of fluid leakage. Replace the master cylinder as an assembly if the pedal does not work properly or if there is damage or signs of fluid leakage.
Check for a difference in brake pedal stroke between quick and slow brake applications. Replace the master cylinder if there is a difference in pedal stroke.
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.
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
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Brake Booster Components and components location
Components 1. Reservoir cap 2. Reservoir 3. Brake booster 4. Master cylinder 5. Booster presure senser ...

Other information:

Hyundai Kona (OS) 2018-2020 Service Manual: Components and components location
Components 1. Rear door trim 2. Rear door full handle mounting support 3. Rear door trim seal 4. Rear door hinge 5. Rear door quadrant inner cover 6. Rear door panel 7. Rear door delta molding 8. Rear door belt inside weatherstrip 9. Rear do ...

Hyundai Kona (OS) 2018-2020 Service Manual: Front Door Trim Repair procedures
Replacement    • Put on gloves to prevent hand injuries.    • Wh ...

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