Kia Optima: Motor Driven Power Steering / Steering Gear Box
Components and components location
1. Steering
gear box
2. STie rod end
|
3. Dust
cap
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Repair procedures
| 1. |
Align the steering wheel so that the front wheels to facing straight
ahead.emove the front wheel and tire.
|
If the steering wheel and the front tires does not synchronize
to their centers together, open circuit on the clock spring cable
may occur due to change the steering wheel turning.
|
|
| 2. |
Turn the ignition OFF and disconnect the negative (-) battery terminal.
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| 3. |
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.
|
|
|
| 4. |
Remove the front wheel and tire.
(Refer to Tires/Wheels - "Wheel")
|
| 5. |
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), hold the stabilizer bar link
stud using hex socket or wrench.
|
| •
|
Be careful not to damage the stabilizer link boots.
|
|
|
| 6. |
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).
|
|
| 7. |
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.
|
|
|
| 8. |
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.
|
|
| 9. |
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")
|
| 10. |
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)
|
|
| 11. |
Remove the heat protector (A).
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| 12. |
Remove the muffler rubber hanger (A).
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| 13. |
Remove the fasner (A).
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| 14. |
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.
|
|
| 15. |
Remove the steering gear box heat protector (A) after loosening the mounting
bolts
|
Tightening torque :
8.0 - 12.0 N·m (0.8 - 1.2 kgf·m, 5.9 - 8.8 lb-ft)
|
|
| 16. |
Remove the steering gear box (A) after loosening the mounting bolts
|
Tightening torque :
107.8 -127.4 N·m (11.0 - 13.0 kgf·m, 79.5 - 94.0 lb-ft)
|
|
| • |
Do not disassemble the steering gear box.
|
| • |
Except the simple connecting parts, if the noise/cleanliness/functions
related parts of the steering gear box replaced, its quality cannot
be guaranteed.
|
|
Tie rod end
| 1. |
Loosen the tie rod end lock nut (A).
|
Tightening torque :
49.0 - 53.9 N·m (5.0 - 5.5 kgf·m, 36.2 - 39.8 lb-ft)
|
|
For easier assembly, measure the length or mark with paint on
the thread before loosening the tie rod end lock nut.
|
|
| 2. |
Remove the tie rod end (A) by loosening it in the counterclockwise.
|
| 3. |
Replace the tie rod end with a new one.
|
| 4. |
Check the alignment.
(Refer to Suspension System - "Alingment")
|
Bellows
| 1. |
Remove the tie rod end.
(Refer to Replacement - "Tie rod end")
|
| 2. |
Remove the tie rod end lock nut (A).
|
| 3. |
Remove the bellows clamp (A).
|
| 4. |
Remove the bellows band (A).
| •
|
Be sure to replace the band with a new one.
|
| •
|
After installing together with the band, assemble the
bellows.
|
|
|
| 5. |
Remove the bellows (A) to the arrow direction.
|
| 6. |
Replace the bellows with a new one.
|
| 7. |
Check the alignment.
(Refer to Suspension System - "Alingment")
|
Dust cap
| 1. |
Remove the dust cap cover (A).
|
| 2. |
Remove the dust cap (A).
|
| 3. |
Replace the tie rod end with a new one.
| •
|
Refer to the drawing below, adjust the parts to the correct
position during assembly.
|
| •
|
Assemble the dust cap after cleaning the pinion shaft.
|
|
|
| 4. |
Check the alignment.
(Refer to Suspension System - "Alingment")
|
|
Install the component to the specified torque.
|
| 1. |
Install in the reverse order of removal.
|
| 2. |
Perform the "EPS Type Recognition" by KDS.
(Refer to MDPS System - "Diagnosis with KDS")
|
| 3. |
Perform the "SAS Calibration" by KDS.
(Refer to MDPS System - "Diagnosis with KDS")
|
| 4. |
Check the alignment.
(Refer to Suspension System - "Alingment")
|
Repair procedures
Removal
1.
Align the steering wheel so that the front wheels to facing straight
ahead.
...
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