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: Intake Actuator Repair procedures

Inspection 1. Ignition "OFF". 2. Disconnect the intake actuator connector. 3. Verify that the actuator operates to the recirculation position when connecting 12V to the terminal 3 and grounding terminal 7. 4. Verify that the intake actuator operates to the fresh position when connecting in the reverse. ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: ETC (Electronic Throttle Control) System Specifications

Specification [Throttle Position Sensor (TPS)] Throttle Angle(°)Output Voltage(V)TPS1TPS200.05.0100.484.52200.954.05301.433.57401.903.10502.382.62602.862.14703.331.67803.811.19904.290.711004.760.241055.00C.T (6 ~ 15°)0.29 ~ 0.714.29 ~ 4.71W.O.T (93 ~ 102°)4.43 ~ 4.860.14 ~ 0.57 ItemSensor Resistance(k?)TPS10.875 ...