Kia 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. |
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 ...
Brake Booster
1.
Inspect the check valve in the
vacuum hose, intensifier and the connecting section.
...
See also:
A/C Pressure Transducer. Description and Operation
Description
A/C pressure transducer convert the pressure value of high pressure line into voltage
value after measure it. By converted voltage value, engine ECU controls cooling
fan by operating ...
Circuit Diagram (1)
Circuit Diagram (2)
Circuit Diagram (3)
...
If the engine overheats
If your temperature gauge indicates overheating,
you will experience a loss of
power, or hear loud pinging or knocking,
the engine is probably too hot. If this happens,
you should:
1. Pull of ...
Brake Booster Operating Test
Inspection