Kia Optima DL3: Rear Suspension System / Rear Lower Arm

Repair procedures

Removal
1.

Disconnect the (-) battery terminal.

2.

Remove the rear wheel and tire.

(Refer to Tires/Wheels - "Wheel")

3.

Loosen the bolt and nut (A) and then remove the rear lower arm from the rear axle.

Tightening torque :

137.3 - 156.9 N.m (14.0 - 16.0 kgf.m, 101.3 - 115.7 lb-ft)

  

Set up the transmission jack under the lower arm in order to remove it in no-load condition.

Before removing the rear lower arm, mark the position and direction of the bolt and washer before changing.

4.

Loosen the bolt and nut (A) and remove the rear shock absorber from the rear lower arm.

Tightening torque :

137.3 - 156.9 N.m (14.0 - 16.0 kgf.m, 101.3 - 115.7 lb-ft)

5.

Loosen the bolt and nut (A) and then disconnect the rear stabilizer link from the rear lower arm.

Tightening torque :

58.8 - 68.6 N.m (6.0 - 7.0 kgf.m, 43.4 - 50.6 lb-ft)

  

When loosening the nut (A), fix the outer hexagon of stabilizer bar link.

Be careful not to damage the stabilizer link boots.

6.

Remove the rear coil spring (A).

7.

Loosen the bolt and nut and then remove the rear lower arm (A).

Tightening torque :

107.8 - 117.6 N.m (11.0 - 12.0 kgf.m, 79.5 - 86.8 lb-ft)

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 deterioration and deformation.

4.

Check for all bolts and nut.

Installation
1.

Install in the reverse order of removal.

2.

Check the alignment.

(Refer to Suspension System - "Alingment")

    Repair procedures Removal 1. Disconnect the (-) battery terminal. 2. Remove the rear wheel and tire.

    Repair procedures Removal 1. Disconnect the (-) battery terminal. 2. Remove the rear wheel and tire.

    Other information:

    Kia Optima DL3 2019-2026 Service and Repair Manual: Hazard Lamp Switch

    Schematic diagrams Connector and Terminal Function Repair procedures Removal 1. Disconnect the negative battery terminal. 2. Remove the crash pad garnish [RH]. (Refer to Body - "Crash Pad Garnish") 3.

    Kia Optima DL3 2019-2026 Service and Repair Manual: Compressor oil

    Repair procedures Oil Specification 1. The HFC-134a system requires synthetic (PAG) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed. 2. Compressor (PAG) oil varies according to compressor model.

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