Kia Optima: Removal - Brake Booster. Repair procedures - Brake System - Brake System - Kia Optima TF 2011-2019 Service ManualKia Optima: Removal

Brake Booster

1. Turn ignition switch OFF and disconnect the negative (-) battery cable.
2. Remove the air duct (B) and air cleaner assembly (A).

3. Disconnect the vacuum hose (A) from the brake booster.

4. Remove the master cylinder. (Refer to Master Cylinder)
5. Remove the snap pin (A) and clevis pin (B).

6. Remove the mounting nuts.

Tightening torque:

12.7 ~ 15.7 N.m (1.3 ~ 1.6 kgf.m, 9.4 ~ 11.6 lb-ft)


7. Remove the brake tube.

8. Remove the brake booster.

Vacuum Pump
1. Turn ignition switch OFF.
2. Remove the under covers (A, B).

Tightening torque:

9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)


When removing the under cover (B), unfasten the mounting bracket bolts and then remove the under cover and mounting bracket assembly.
3. Disconnect the vacuum pump connector (A).

4. Disconnect the vacuum hose (A).

5. Loosen the vacuum pump bracket bolts (A), and then remove vacuum pump and bracket.

Tightening torque:

19.6 ~ 29.4 N.m (2.0 ~ 3.0 kgf.m, 14.5 ~ 21.7 lb-ft)


6. Remove the 2 bolts, and then remove the bracket from vacuum pump.

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 fully the first time ...

Inspection
Brake Booster 1. Inspect the check valve in the vacuum hose, intensifier and the connecting section. ...

See also:

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Intercooler. Repair procedures
Removal and Installation 1. Disconnect the battery terminals. (Refer to Engine and transaxle assembly in this group) 2. Remove the air cleaner assembly and the int ...

Sliding the sunroof
When the sunshade is closed If you pull the sunroof control lever backward to the second detent position, the sunshade will slide all the way open then the sunroof glass will slide all the way ...

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