Kia Rio YB Quiz
Brake System

Brake System

In this manual: Brake System
General Information — 8Maintenance — 31Engine Mechanical System — 44Engine Electrical System — 14Emission Control System — 9Engine Control System/Fuel System — 30Clutch System — 10Manual Transmission — 10Automatic Transmission — 23Drive Shaft and Axle — 8Suspension System — 15Steering — 9Restraints — 14Brake System — 22Body (Interior and Exterior) — 115Body Electrical System — 84Heating, Ventilation, and Air Conditioning — 28
5steps
~30min
2/5difficulty
Done 0 of 5

Repair Procedures

Operation and Leak Check

Check all of the following items:

Component Procedure
Brake Booster (A) Check the brake operation by applying the brakes during a road test. If the brakes do not operate properly, inspect the brake booster. Replace the brake booster assembly if it does not operate properly or if there are signs of leakage.
Piston Cup and Pressure
Cup Inspection (B)		 • Check the brake operation by depressing the brake pedal. Look for damage or signs of fluid leakage. Replace the master cylinder assembly if the pedal does not operate properly or if there is damage or signs of fluid leakage.
• Check the brake pedal travel difference between quick and slow braking. Apply... Replace the master cylinder if there is a difference in pedal feel.
Brake Hoses (C) Look for damage or signs of brake fluid leakage. Replace the brake hose with a new one if it is damaged or leaking.
Caliper Piston Seal and
Piston Boots (D)		 Check the brake operation by depressing the brake pedal.
Look for damage or signs of brake fluid leakage. If the pedal does not operate properly, the brakes drag, or there is damage or signs of brake fluid leakage, disassemble and inspect the brake caliper. Replace the dust boots and seals with new ones whenever the brake caliper is disassembled.

Brake Bleeding

  1. Make sure the brake fluid level in the reservoir is at the MAX (upper) level line.

  2. Have someone slowly depress the brake pedal several times, then hold the pressure.

  3. Loosen the right rear brake bleeder screw (A) to allow air to escape from the system. Then securely tighten the bleeder screw.

    Front

    Rear

  4. Repeat the procedure for each wheel in the sequence shown below until no more air bubbles appear in the fluid.

  5. Fill the master cylinder reservoir to the MAX (upper) level mark.

Test yourself

A quick Kia Rio YB quiz: every answer comes with an explanation and a link to the manual page.