Kia Optima: Front Cross Member. Repair procedures
Replacement
| 1. |
Remove the front wheel & tire.
Tightening torque:88.3
~ 107.9N.m(9.0 ~ 11.0kgf.m, 65.1~79.6lb-ft)
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|
Be careful not to damage to the hub bolts when removing the front
wheel & tire. |
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| 2. |
Loosen the bolt (A) and then
disconnect the universal joint assembly from the pinion of the steering
gear box.
Tightening torque:29.4
~ 34.3N.m(3.0 ~ 3.5kgf.m, 21.7 ~ 25.7lb-ft)
|
|
Lock the steering wheel in the straight ahead position to prevent
the damage of the clock spring inner cable when you handle the steering
wheel. |
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| 3. |
Remove the split pin and castle
nut and then disconnect the tie-rod end (A) from the front knuckle.
Tightening torque:34.3
~ 44.1N.m(3.5 ~ 4.5kgf.m, 25.7 ~ 32.5lb-ft)
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| 4. |
Loosen the bolt & nut and then
remove the lower arm (A).
Tightening torque:98.1
~ 117.7N.m(10.0 ~ 12.0kgf.m, 72.3 ~ 86.8lb-ft)
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| 5. |
Disconnect the stabilizer link
(B) with the front strut assembly (A) after loosening the nut.
Tightening torque:98.1
~ 117.7N.m(10.0 ~ 12.0kgf.m, 72.3 ~ 86.8lb-ft)
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| 6. |
Remove the undercover (A).
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| 7. |
Loosen the bolt (A) & nut (B)
and then remove the roll rod stopper (A).
Tightening torque:107.9
~ 127.5N.m(11.0 ~ 13.0kgf.m, 79.6 ~ 94.0lb-ft)
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| 8. |
Disconnect the muffler rubber
hanger (A).
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| 9. |
Loosen the bolts & nuts and then
remove the sub frame (A).
Tightening torqueSub frame
mounting bolts & nuts:
156.9 ~ 176.5N.m (16.0 ~ 18.0kgf.m, 115.7 ~ 130.2lb-ft)Sub frame
stay bolts & nuts:
44.1 ~ 58.8N.m (4.5 ~ 6.0kgf.m, 32.5 ~ 43.4lb-ft)
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| 10. |
Remove the front lower arm.
(Refer to Front lower arm)
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| 11. |
Remove the front stabilizer.
(Refer to Front stabilizer)
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| 12. |
Remove the steering gearbox.
(Refer to ST group - "Steering Gearbox")
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| 13. |
Installation is the reverse of
removal. |
1.
Check the bushing for wear and
deterioration.
2.
Check the front stabilizer bar
for deformation.
3.
Check the front stabilizer link
ball joint ...
Inspection