Kia Optima Hybrid: Rear Suspension System / 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 & tire.
2.
Loosen the bolt & nut and then remove the rear upper arm (A) from the rear axle.

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

3.
Loosen the bolt & nut and then remove the rear upper arm (A) from the sub frame.

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

4.
Installation is the reverse of removal.
   
Install the rear upper arm so that the letter "R" can face the rear of vehicle.
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 Shock Absorber 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 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 ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Troubleshooting


Troubleshooting SymptomSuspect areaEngine will not start or struggle to startVapor hose damaged or disconnectedEngine struggles to startMalfunction of the Purge Control Solenoid ValveRough idle or engine stallsVapor hose damaged or disconnectedMalfunction of the PCV valveRough idleMalfunction of the ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Transaxle Control Module (TCM) Description and Operation


Description Transaxle Control Module (TCM) is the automatic transaxle''s brain. The module receives and processes signals from various sensors and implements a wide range of transaxle controls to ensure optimal driving conditions for the driver. TCM is programmed for optimal response to any on-road situation. ...

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