Kia Optima: Front Suspension System / Sub Frame
Repair procedures
| 1. |
Disconnect the (-) battery terminal.
|
| 2. |
Loosen the bolt (A) and remove the universal joint (B).
|
Tightening torque :
49.0 - 58.8 N.m (5.0 - 6.0 kgf.m, 36.2 - 43.4 lb-ft)
|
| •
|
Secure the steering wheel so that it does not move.
|
| •
|
Lock the steering wheel in the straight ahead position
to prevent the damage of the clock spring inner cable.
|
|
|
| 3. |
Remove the front wheel and tire.
(Refer to Tires/Wheels - "Wheel")
|
| 4. |
Disconnect the stabilizer link with the front strut assembly after loosening
the nut (A).
|
Tightening torque :
98.1 - 117.7 N.m (10.0 - 12.0 kgf.m, 72.3 - 86.8 lb-ft)
|
| •
|
When loosening the nut (A), fix the outer hexagon of
stabilizer bar link.
|
| •
|
Be careful not to damage the stabilizer link boots.
|
|
|
| 5. |
Disconnect the tie rod end ball joint from the knuckle by using the SST
(09568-2J100).
| (1) |
Remove the snap pin (C).
|
| (2) |
Remove the lock nut (B) and washer (A).
|
Tightening torque :
98.1 - 117.7 N·m (10.0 - 12.0 kgf·m, 72.3 - 86.8 lb·ft)
|
|
Do not reuse mounting nut.
|
|
| (3) |
Disconnect the tie rod end ball joint from the knuckle by using
the SST (09568-2J100).
|
|
| 6. |
Loosen the lower arm mounting nut (A).
| (1) |
Remove the snap pin (A).
|
| (2) |
Remove the lower arm mounting nut (B) and washer (C).
|
Tightening torque :
98.1 - 117.7 N·m (10.0 - 12.0 kgf·m, 72.3 - 86.8 lb·ft)
|
|
To loosen the nut (B), fix the bolt on the opposite side
to prevent it from turning.
|
|
|
| 7. |
Disconnect lower arm ball joint from the knuckle by using the SST (0K545-A9100).
| (1) |
After removing bolts from the front knuckle, install and tighten
the sub body bolt (A)
|
| (2) |
Input the sub body (B) between the front knuckle and the sub
body bolt.
|
| (3) |
Tighten the bolt (C) of the sub body to broaden the gap of the
front knuckle.
|
| (4) |
Install the safe wire and main body (A) between the front strut
and the lower arm.
|
| (5) |
After installing a body (A), rotate the handle (B) clockwise
util the clamp is fixed on the lower arm.
|
| (6) |
Tighten the main body bolt (A) slowly and remove the lower arm
from the front knuckle.
|
|
| 8. |
Remove the engine room under cover.
G 2.0 NU MPI (Refer to Engine Mechanical System - "Engine Room Under
Cover")
G 2.5 GDI THETA II (Refer to Engine Mechanical System - "Engine Room
Under Cover")
|
| 9. |
Separate the roll rod bracket (C) after loosening the bolts (A), (B).
|
Tightening torque
(A) : 107.8 -127.4 N·m (11.0 - 13.0 kgf·m, 79.5 - 94.0 lb·ft)
(B) : 49.0 - 63.7 N.m (5.0 - 6.5 kgf.m, 36.2 - 47.0 lb-ft)
|
|
| 10. |
Remove the heat protector (A).
|
| 11. |
Remove the muffler rubber hanger (A).
|
| 12. |
Remove the fasner (A).
|
| 13. |
Remove the sub frame.
|
A : Front sub frame stay
B : Rear sub frame stay
|
| (1) |
Loosen the stay bolts (A) from the front sub frame stay.
|
Tightening torque :
44.1 - 58.8 N.m (4.5 - 6.0 kgf.m, 32.5 - 43.4 lb-ft)
|
[LH]
[RH]
|
| (2) |
Loosen the stay bolts (A) from the rear sub frame stay.
|
Tightening torque :
44.1 - 58.8 N.m (4.5 - 6.0 kgf.m, 32.5 - 43.4 lb-ft)
|
[LH]
[RH]
|
| (3) |
Support the sub frame securely with the jack (A).
|
If the mission jack is used to remove the subframe, it
may tip forward, which may cause injury.
|
|
| (4) |
Loosen the mounting nut and remove the front sub frame stay (A).
|
Tightening torque :
176.6 -196.2 N·m (18.0 - 20.0 kgf·m, 130.1 - 144.6 lb·ft)
|
[LH]
[RH]
|
| (5) |
Loosen the mounting nut and remove the rear sub frame stay (A).
|
Tightening torque :
176.6 -196.2 N·m (18.0 - 20.0 kgf·m, 130.1 - 144.6 lb·ft)
|
[LH]
[RH]
|
| (6) |
Slowly lower the jack to remove the sub frame.
|
|
| 14. |
Loosen the bolts and remove the steering gear box heat protector (A).
|
Tightening torque :
7.8 - 11.7 N.m (0.8 - 1.2 kgf.m, 5.7 - 8.6 lb-ft)
|
|
| 15. |
Remove the steering gearbox (A) from the front sub frame by loosening
the mounting bolts.
|
Tightening torque :
107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb-ft)
|
|
| 16. |
Loosen the mounting bolts and then remove the stabilizer bar (A).
|
Tightening torque :
49.0 - 63.7 N.m (5.0 - 6.5 kgf.m, 36.2 - 47.0 lb-ft)
|
|
| 17. |
Remove the lower arm (A).
|
Tightening torque
Bolt (B) : 157.0 - 176.6 N·m (16.0 - 18.0 kgf·m, 115.7 - 130.2
lb·ft)
Nut (C) : 157.0 - 176.6 N·m (16.0 - 18.0 kgf·m, 115.7 - 130.2
lb·ft)
|
|
| 18. |
Remove the dynamic damper (A).
|
Tightening torque :
44.1 - 53.9 N.m (4.5 - 5.5 kgf.m, 32.5 - 39.8 lb-ft)
|
|
Repair procedures
Removal
1.
Disconnect the (-) battery terminal.
2.
Remove the front wheel and tire.
(Refer to Tires/Wheels - "Wheel") ...
Components and components location
Components and Components
Location
1. Trailing arm
2. Rear shock absorber
3. Rear suspension
4. Rear stabilizer bar
...
Other information:
Components and components location
Component Location
1. Low beam
2. High beam
3. Daytime Running Light / Position lamp
4. Low assist beam
5. Turn signal lamp
Schematic diagrams
Connector and Terminal Function
Connector ...
Description and operation
Description
The compressor is the power unit of the A/C system.
It is located on the side of engine block and driven by a V-belt of the engine.
The compressor changes low pressure and low temperature refrigerant gas into
high pressure and high temperatu ...
Front Stabilizer Bar
Rear Suspension System