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

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

Replacement

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.

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)

Loosen the bolt and then remove the rear caliper (A).

Tightening torque:

49.0 ~ 58.8N.m (5.0 ~ 6.0kgf.m, 36.2 ~ 43.4lb-ft)

4.	Loosen the screw and then remove the rear disc (A).

5.	Disconnect the parking brake cable (A) from the rear brake assembly. (Refer to BR group - "Parking brake system)

6.	Loosen the parking brake cable bracket bolt (A) & height sensor bracket bolt (B).

Loosen the mounting bolt and then remove the trailing arm (A) from the rear axle.

Tightening torque:

44.1 ~ 53.9N.m(4.5 ~ 5.5kgf.m, 32.5 ~ 39.8lb-ft)

Loosen the mounting bolt and then remove the trailing arm (A) from the frame.

Tightening torque:

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

9.	Installation is the reverse of removal.

Rear Assist Arm Repair procedures

Replacement 1. Remove the rear wheel & tire. Tightening torque: 88.3 ~ 107.9 N.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 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 ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Smart key unit Components and Components Location

Component (1) Connector Pin Information No.Connector A (26pin)Connector B (16pin)Connector C (22pin)1V_BAT loadC_CAN lowSSB illumination ground2-C_CAN highImmobilzer indicator3Power ground1--4IGN1Stop lamp fuseInterior antenna #2 power5IGN1 relayBrake switchInterior antenna #1 power6ACCImmobilizer antenna ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Electric Parking Brake (EPB) Schematic Diagrams

EPB Circuit Diagram (1) EPB Circuit Diagram (2) EPB connector input/output Pin DescriptionPin Description1--21--2--22YC-CAN (Low)3--23WC-CAN (High)4--24WElectric Parking Brake Switch (SW1)5--25L/OElectric Parking Brake Switch (SW2)6-26G/OElectric Parking Brake Switch (SW3)7--27Y/OElectric Parking ...