Kia Optima Hybrid: Rear Suspension System / Rear Lower Arm Repair procedures

Replacement
1.
Remove the rear wheel & tire.

Tightening torque:
88.3 ~ 107.9N.m(9.0 ~ 11.0kgf.m, 65.1 ~ 79.6lb-ft)

   
Be careful not to damage the hub bolts when removing the rear wheel & tire.
2.
Loosen the nut and then remove the rear stabilizer link (B) from the rear lower arm (A).

Tightening torque:
98.1 ~ 117.7N.m(10.0 ~ 12.0kgf.m, 72.3 ~ 86.8lb-ft)

3.
Loosen the bolt & nut and then remove the rear lower arm (A) from the rear axle.

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

4.
Loosen the bolt & nut and then remove the rear lower arm (B) from the sub frame (A).

Tightening torque:
117.7 ~ 137.3N.m (12.0 ~ 14.0kgf.m, 86.8 ~ 101.3lb-ft)

5.
Installation is the reverse of removal.
   
Be careful not to cover the drain hole of lower arm with spring.
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.
Rear Upper Arm Repair procedures

Replacement 1. Remove the rear wheel & tire. Tightening torque: 88.3 ~ 107.9N.m(9.0 ~ 11.0kgf.m, 65.1 ~ 79.6lb-ft)     Be careful not to damage the hub bolts when removing the rear wheel ...

Rear Stabilizer Bar Repair procedures

Replacement 1. Remove the rear wheel & tire. Tightening torque: 88.3 ~ 107.9N.m (9.0 ~ 11.0kgf.m, 65.1 ~ 79.6lb-ft)     Be careful not to damage the hub bolts when removing the rear wheel ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Fuel Tank Pressure Sensor (FTPS) Description and Operation


Description Fuel Tank Pressure Sensor (FTPS) is a component of the evaporative emission control system and is installed on the fuel tank, the fuel pump, or the canister. It checks the purge control solenoid valve operation and detects a leakage of the system. ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Delivery Pipe Repair procedures


Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) terminal. 2. Release the residual pressure in fuel line (Refer to “Release Residual Pressure in Fuel Line” in this group). 3. Disconnect the injector connector (A). 4. Remove the wiring harness bracket mounting bolt (B). ...

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