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)
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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 ...
See also:
Inspection
1.
Check the bushing for wear and
deterioration.
2.
Check the rear lower arm for
deformation.
3.
Check the coil spring and spring
pad for deterior ...
Installation
1.
Installation is reverse of removal.
Accelerator pedal module installation nut:
9.8 ~ 14.7 N.m (1.0 ~ 1.5 kgf.m, 7.2 ~ 10.8
lb-ft)
Accelerator pedal module ...
Electric power steering
Power steering uses the motor to assist you in steering the vehicle. If the engine
is off or if the power steering system becomes inoperative, the vehicle may still
be steered, but it will require ...