Kia Optima: Front Suspension System / Front Lower Arm
Repair procedures
1. |
Disconnect the (-) battery terminal.
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2. |
Remove the front wheel and tire.
(Refer to Suspension System - "Wheel")
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3. |
Loosen the lower arm mounting nut (A).
(1) |
Remove the snap pin (A).
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(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)
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To loosen the nut (B), fix the bolt on the opposite side
to prevent it from turning.

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4. |
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)

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(2) |
Input the sub body (B) between the front knuckle and the sub
body bolt.
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(3) |
Tighten the bolt (C) of the sub body to broaden the gap of the
front knuckle.

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(4) |
Install the safe wire and main body (A) between the front strut
and the lower arm.

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(5) |
After installing a body (A), rotate the handle (B) clockwise
util the clamp is fixed on the lower arm.

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(6) |
Tighten the main body bolt (A) slowly and remove the lower arm
from the front knuckle.

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5. |
Loosen the bolts and nuts and remove the lower arm (A) from the sub frame.
Tightening torque :
156.9 - 176.5 N.m (16.0 - 18.0 kgf.m, 115.7 - 130.2 lb-ft)
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1. |
Install in the reverse order of removal.
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2. |
Check the alignment.
(Refer to Suspension System - "Alingment")
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1. |
Check the bushing for wear and deterioration.
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2. |
Check the lower arm for bending or breakage.
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3. |
Check the lower arm for deformation.
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4. |
Check the all bolts and nuts.
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Components and components location
Components
1. Strut assembly
2. Insulator dust cap
3. Insulator
4. Spring upper pad
5. Strut bearing
6. Strut bear ...
Repair procedures
Removal
1.
Disconnect the (-) battery terminal.
2.
Remove the front wheel and tire.
(Refer to Tires/Wheels - "Wheel") ...
Other information:
Special service tools
Special Service Tools
Tool Name / Number
Illustration
Description
Crankshaft front oil seal installer
09231-2E000
Used for installing crankshaft front oil seal
...
The Blind-Spot Collision Warning (BCW) system uses radar sensors in the rear
bumper to monitor and warn the driver of an approaching vehicle in the driver's
blind spot area.
The system monitors the rear area of the vehicle and provides information to
the driver with an audible alert and a i ...