Hyundai Sonata: Tires/Wheels / Alignment Repair procedures

Hyundai Sonata LF 2014-2019 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

Total : 0.0°±0.2°

Individual : 0.0°±0.1°

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

Tightening torque :

49.0 ~ 53.9N.m (5.0 ~ 5.5kgf.m, 36.2 ~ 39.8lb-ft)

Camber

Camber angle : -0.5°±0.5°

When the wheel tilts out at the top, then the camber is positive (+).

When the wheel tilts in at the top, then the camber is negative (-).

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.

ITEM	Description
A	Positive camber angle
B	True vertical
C	Strut centerline

Caster

Caster is the tilting of the strut axis either forward or backward from vertical. A backward tilt is positive (+) and a forward tilt is negative (-).

Caster is pre-set at the factory and doesn't need to be adjusted. If the caster is not within the standard value, replace the bent or damaged parts.

Caster : 4.68°±0.5°

King-pin angle

King-pin angle : 13.9°±0.5°

•	The worn loose or damaged parts of the front suspension assembly must be replaced prior to measuring front wheel alignment.

•	Caster are pre-set to the specified value at the factory and don't need to be adjusted.

•	If the caster are not within specifications, replace bent or damaged parts.

•	The difference of left and right wheels about the the caster must be within the range of 0° ± 0.5°.

Rear 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

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 Adjustment

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

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

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 tigh ...

Tire Pressure Monitoring System

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