Kia Optima Hybrid: Tires/Wheels / Alignment Repair procedures

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Suspension System / Tires/Wheels / Alignment Repair procedures

Front wheel alignment

When using a commercially available computerized wheel alignment equipment to inspect the front wheel alignment, always position the vehicle on a level surface with the front wheels facing straight ahead.

Prior to inspection, make sure that the front suspension and steering system are in normal operating condition and that the tires are inflated to the specified pressure.

Toe

B - A > 0: Toe in (+)

B - A < 0: Toe out (-)

Toe adjustment

1.	Loosen the tie rod end lock nut.

2.	Remove the bellows clip to prevent the bellows from being twisted.

Adjust the toe by screwing or unscrewing the tie rod. Toe adjustment should be made by turning the right and left tie rods by the same amount.

Toe-in

Total : 0.16° ± 0.2°

Individual : 0.08° ± 0.1°

When completing the toe adjustment, install the bellows clip and tighten the tie rod end lock nut to specified torque.

Tightening torque:

50 ~ 55 N.m (5.0 ~ 5.5 kgf.m, 36 ~ 40 lb-ft)

5.	Compensate the steering angle sensor after adjusting the wheel alignment. (Refer to Steering System - "Steering Column-Shaft")

Camber and Caster

Camber and Caster are pre-set at the factory, so they do not need to be adjusted. If the camber and caster are not within the standard value, replace or repair the damaged parts and then inspect again.

Camber angle: -0.5° ± 0.5°

Caster angle : 4.34° ± 0.5°

Rear wheel alignment

When using a commercially available computerized wheel alignment equipment to inspect the rear wheel alignment, always position the vehicle on a level surface.

Prior to inspection, make sure that the rear suspension system is in normal operating condition and that the tires are inflated to the specified pressure.

Toe

B - A > 0: Toe in (+)

B - A < 0: Toe out (-)

Toe adjustment

1.	Loosen the nut holding the assist arm cam bolt (A).

Adjust rear toe by turning the rear assist arm cam bolt (A) clockwise or counter clockwise. Toe adjustment should be made by turning the right and left cam bolt by the same amount.

Toe-in

Total : 0.17°±0.2°

Individual : 0.085°±0.1°

When completing the toe adjustment, tighten the nut to specified torque.

Tightening torque:

107.9 ~ 117.7 N.m (11.0 ~ 12.0 kgf.m, 79.6 ~ 86.8 lb-ft)

Camber

Camber is pre-set at the factory, so it does not need to be adjusted. If the camber is not within the standard value, replace or repair the damaged parts and then inspect again.

Camber: -1.0° ± 0.5°

Wheel Repair procedures

Hub nut tightening sequence Tighten the hub nuts as follows. Tightening torque: 88.3 ~ 107.9N.m (9.0 ~ 11.0kgf.m, 65.1 ~ 79.6lb-ft) When using an impact gun, final tightening torque should ...

Tire Pressure Monitoring System

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Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Rear Wheel Speed Sensor Repair procedures

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