Kia Rio: Removal - Master Cylinder - Brake System - Kia Rio UB 2012-2025 Service ManualKia Rio: Removal

1.
Turn ignition switch OFF, and disconnect the negative (-) battery cable.
2.
Remove the battery and ECM.
(Refer to the Engine Electrical group - "Battery")
3.
Disconnect the brake fluid level switch connector (A) from the reservoir.


4.
Remove the brake fluid from the master cylinder reservoir with a syringe.

     
Be sure to completely remove foreign substances from around brake fluid reservoir and cap before opening the reservoir cap. If not, it may cause contamination of brake fluid and deterioration in braking performance.
Do not spill brake fluid on the vehicle, it may damage the paint; if brake fluid does contact the paint, wash it off immediately with water.
5.
Disconnect the brake tube from the master cylinder by loosening the tube flare nut (A).

Tightening torque:
18.6 ~ 22.6 N.m (1.9 ~ 2.3 kgf.m, 13.7 ~ 16.6 lb-ft)


6.
Remove the clutch hose. [MT Only]
7.
Remove the master cylinder (B) from the brake booster after loosening the mounting nuts (C).

Tightening torque:
12.7 ~ 16.7 N.m (1.3 ~ 1.7 kgf.m, 9.4 ~ 12.3 lb-ft)


Components
1. Reservoir cap 2. Reservoir 3. Grommet 4. Master cylinder assembly ...

Installation
1. Installation is the reverse of removal. 2. After installation, bleed the brake system. (Refer to Brake system bleeding) ...

See also:

Auto Defogging Sensor (FATC only) Inspection
1. Press the MODE switch more then 4 times within 2 seconds while pressing the OFF switch. Display Fail description 00 ...

Oil Pump Unit (OPU) Circuit diagram
...

Troubleshooting
Vehicle inspection SYMPTOM CHART Symptom Suspect Area Remedy (See page) Squeak or grunt-noise from the front suspension, occurs more in cold ambient t ...

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