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:
When using a floor mat on the front floor carpet, make sure it attaches to the
floor mat anchor(s) in your vehicle. This keeps the floor mat from sliding forward.
WARNING - After market floor mat
Do not install aftermarket floor mats that are not capable of being securely
attached to the veh ...
Specifications
Specification
Items
Specification
Current (A)
Max. 6.0
Supply Voltage (V)
12
Fuel Pressure
bar
3.3 - 3.7
kPa
330 - ...