Kia 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).

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)

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 ...

Kia Rio: Removal

Brake Booster Operating Test

Inspection

See also: