Kia Rio: Removal - Brake Booster - 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 Engine Electrical group - "Battery")
3.
Remove the master cylinder.
(Refer to Master cylinder.)
4.
Disconnect the vacuum hose (A) from the brake booster.


5.
Remove the snap pin (A) and clevis pin (B).


6.
Remove the brake booster mounting nuts (A).

Tightening torque:
16.7 ~ 25.5 N.m (1.7 ~ 2.6 kgf.m, 12.3 ~ 18.8 lb-ft)


7.
Disconnect the brake tubes (A) from the HECU by unlocking the nuts counterclockwise with a spanner.

Tightening torque:
ABS: 12.7 ~ 16.7 N.m (1.3 ~ 1.7 kgf.m, 9.4 ~ 12.3 lb-ft)
ESP: 18.6 ~ 22.6 N.m (1.9 ~ 2.3 kgf.m, 13.7 ~ 16.6 lb-ft)


8.
Loosen the brake tube bracket mounting nuts (B).


9.
Pivot the brake tubes (A) down out of the way.


10.
Remove the brake booster (B).
Brake Booster Operating Test
For simple checking of the brake booster operation, carry out the following tests. 1. Run the engine for one or two minutes, and then stop it. If the pedal depresses ...

Inspection
1. Inspect the check valve in the vacuum hose.    Do not remove the check va ...

See also:

Door Switch Inspection
1. Remove the door switch and check for continuity between the terminals. ...

Yaw-rate and G Sensor Description
When the vehicle is turning with respect to a vertical axis the yaw rate sensor detects the yaw rate electroniclly by the vibration change of plate fork inside the yaw rate sensor. If yaw ...

Antenna Inspection
Antenna Cable 1. Remove the antenna jack from the audio unit and antenna. 2. Check for continuity between the center poles of antenna cable. ...

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