Hyundai Sonata: Rear Suspension System / Rear Coil Spring Repair procedures

Replacement
1.
Raise the vehicle, and make sure it is securely supported.
2.
Remove the wheel cap (A).

   
Be careful not to damage to the wheel cap (A) when removing the it.
3.
Remove the front wheel and tire (A) from front hub.

Tightening torque :
88.2 ~ 107.8 N.m (9.0 ~ 11.0 kgf.m, 65.0 ~ 79.5 lb-ft)

   
Be careful not to damage to the hub bolts when removing the front wheel and tire (A).
4.
Remove the rear lower arm protector.

5.
Loosen the lower arm (A) mounting bolt and nut. And then remove the lower arm form the rear carrier.

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

   
Set up the transmission jack under the lower arm in order to remove the shock absorber in no-load condition.
Record the position of the alignment marks before removing the rear lower arm to keep from tightening the bolt and washer to the wrong position or the wrong direction.
6.
Loosen the mounting bolt and nut. And then separate the shock absorber from the lower arm.

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

   
Set up the transmission jack under the lower arm in order to remove the shock absorber in no-load condition .
Record the position of the alignment marks before removing the rear lower arm to keep from tightening the bolt and washer to the wrong position or the wrong direction.
7.
Loosen the lower arm mounting bolt & nut properly with sub frame. Pull the lower arm in the direction of a down and then remove the coil spring (A).

Tightening torque :
107.9 ~ 117.7 N.m (11.0 ~ 12.0 Kgf.m, 79.6 ~ 86.8 lb-ft)

8.
Installation is the reverse of removal.
9.
Check the rear alignment.
(Refer to Rear Suspension System - "Rear Alignment")
Inspection
1.
Check the spring for distortion, aging or damage.
2.
Check the spring upper pad and lower pad for aging or damage.
Rear Stabilizer Bar Repair procedures
Replacement 1. Raise the vehicle, and make sure it is securely supported. 2. Remove the wheel cap (A).     Be careful not to damage to the wheel cap (A) when removing the it ...

Rear Cross Member Repair procedures
Replacement 1. Raise the vehicle, and make sure it is securely supported. 2. Remove the wheel cap (A).     Be careful not to damage to the wheel cap (A) when removing the it ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Delta Garnish Repair procedures
Replacement     • Put on gloves to prevent hand injuries.     • When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components. • Take care not to scratch the body surface. ...

Hyundai Sonata LF 2014-2019 Service Manual: Under Body Body Repair
Projected Dimensions * These dimensions indicated in this figure are actual-measurement dimensions. [ Unit : mm (inch) ] Actual Measurement Dimensions * These dimensions indicated in this figure are actual-measurement dimensions. [ Unit : mm (inch) ] Front side member tooling hole (O ...

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