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:
All season tires
Kia specifies all season tires on
some models to provide good performance
for use all year round,
including snowy and icy road conditions.
All season tires are identified
by ALL SEASON and/o ...
Installation
1.
Installation is reverse of removal.
Fuel tank band installation nut:
39.2 ~ 54.0 N.m (4.0 ~ 5.5 kgf.m, 28.9 ~
39.8 lb-ft)
...
Bright-Metal Maintenance
To remove road tar and insects, use a tar remover, not a scraper or other
sharp object.
To protect the surfaces of bright-metal parts from corrosion, apply a coating
of wax or chrome preser ...