Kia Optima Hybrid: Rear Suspension System / Rear Cross Member 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.
Remove the rear lower arm.
(Refer to lower arm)
3.
Remove the rear shock absorber.
(Refer to rear shock absorber)
4.
Remove the rear upper arm.
(Refer to rear upper arm)
5.
Remove the trailing arm.
(Refer to trailing arm)
6.
Remove the rear assist arm.
(Refer to rear assist arm)
7.
Remove the rear muffler.

8.
Loosen the mounting bolts and then remove the rear cross member (A) from the frame.

Tightening torque:
156.9 ~ 176.5N.m(16.0 ~ 18.0kgf.m, 115.7~130.2lb-ft)

9.
Installation is the reverse of removal.
Trailing 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 ...

Tires/Wheels

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Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Transaxle Control Module (TCM) Repair procedures


Inspection TCM Problem Inspection Procedure 1. TEST TCM GROUND CIRCUIT: Measure resistance between TCM and chassis ground using the backside of TCM harness connector as TCM side check point. If the problem is found, repair it. Specification: Below 1? 2. Test TCM Connector: Disconnect the TCM connector ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Auto Head Lamp Leveling Unit Description and Operation


Description According to driving environment and loading state of vehicle, head lamp lighting direction is changed to keep the driver''s visibility range and to protect the driver''s vision from glare, aiming at safety driving. Sensor integrated ECU mounting on the rear center arm drives the actuator ...

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