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

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Suspension System / Front Suspension System / Front Lower Arm Repair procedures

Replacement

Remove the front wheel & tire.

Tightening torque:

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

Be careful not to damage to the hub bolts when removing the front wheel & tire.

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

Tightening torque:

98.1 ~ 117.7N.m(10.0 ~ 12.0kgf.m, 72.3 ~ 86.6lb-ft)

Remove the front lower arm from the front knuckle using the SST (0K545-A9100).

(1)	After removing bolts from the front knuckle, install and tighten the sub body bolt (A) .

(2)	Input the sub body (A) between the front knuckle and the sub body bolt.

(3)	Tighten bolt (B) of the sub body bolt to broaden the gap of the front knuckle.

(4)

Install the safe wire (A).

Install a safe wire on the front strut to prevent dropping the SST and hurting technicians.

(5)	Install the main body, between the front strut and the lower arm.

(6)	To avoid the main body coming off, install a fixing clamp (A) beside the main body.

(7)	After installing a fixing clamp, rotate the handle (B) clock wise till the clamp is fixed on a lower arm.

(8)	Tighten a main body bolt (A) of the slowly and remove the lower arm from the front knuckle.

Loosen the bolts and nuts and then remove the front lower arm (A).

Tightening torque

Front:

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

Rear:

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

5.	Installation is the reverse of removal.

Inspection

1.	Check the bushing for wear and deterioration.

2.	Check the front stabilizer bar for deformation.

3.	Check the all bolts and nuts.

Front Strut Assembly Repair procedures

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

Front Stabilizer Bar Repair procedures

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

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Seat Track Position Sensor (STPS) Repair procedures

Removal 1. Disconnect the battery negative cable, and wait for at least three minutes before beginning work. 2. Remove the front seat assembly. (Refer to BD group) 3. Loosen the two STPS screws, then remove the STPS after disconnecting the STPS connector. Installation Be sure to install ...

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

Specification EngineT/MJoint typeMax. permissible angleOuterInnerOuterInnerGasoline 2.4M/TBJ#95TJ#9545°21°A/TBJ#95TJ#9545°21° Tightening torque ItemN.mkgf.mIb.ftFrontWheel nut88.2 ~ 107.89.0 ~ 11.065.0 ~ 79.5Driveshaft castle nut215.7 ~ 254.922.0 ~ 26.0159.1 ~ 188.0Strut assembly lower mounting bolt156.9 ...