Hyundai i-30: Front Suspension System / Front Lower Arm

Hyundai i30 (PD) 2018-2025 Service Manual / Suspension System (NON-ECS) / Front Suspension System / Front Lower Arm

Repair procedures
Removal
1.
Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securely supported.
2.
Remove the front wheel and tire (A) from the front hub.
Tightening torque :
107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb-ft)

  
•
Be careful not to damage the hub bolts when removing the front wheel and tire (A).
3.
Loosen the lower arm nut (A) and then remove the lower arm ball joint by using SST(09568-1S100).
Tightening torque :
58.8 - 70.6 N.m (6.0 - 7.2 kgf.m, 43.4 - 52.1 lb-ft)

  
•
Do not reuse the lower arm lock nut (A).
•
Be careful not to damage the ball joint boots.
4.
Remove the front lower arm after loosening the bolts & nuts.
Tightening torque
Front : 117.7 - 137.3 N.m (12.0 - 14.0 kgf.m, 86.8 - 101.3 lb-ft)
Rear : 156.9 - 176.5 N.m (16.0 - 18.0 kgf.m, 115.7 - 130.2 lb-ft)

  
•
Tighten the front mounting bolt first and then tighten the rear mounting bolt and nut.
5.
To install, reverse the removal procedure.
6.
Check the wheel Alignment.
(Refer to Tires / Wheels - "Alignment")
Inspection
1.
Check the bushing for wear and deterioration.
2.
Check the lower arm for deformation.
3.
Check the all bolts and nuts.
Replacement
Ball joint assembly replacement
1.
Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securely supported.
2.
Remove the front wheel and tire (A) from the front hub.
Tightening torque :
107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb-ft)

  
•
Be careful not to damage the hub bolts when removing the front wheel and tire (A).
3.
Loosen the lower arm nut (A) and then remove the lower arm ball joint by using SST(09568-1S100).
Tightening torque :
58.8 - 70.6 N.m (6.0 - 7.2 kgf.m, 43.4 - 52.1 lb-ft)

  
•
Do not reuse the lower arm lock nut (A).
•
Be careful not to damage the ball joint boots.
4.
Loosen the bolt (A) and (B) then remove the ball joint assembly.
Tightening torque :
98.1 - 117.7 N.m (10.0 - 12.0 kgf.m, 72.3 - 86.8 lb-ft)

5.
Replace the ball joint assembly.
6.
Check the wheel Alignment.
(Refer to Tires / Wheels - "Alignment")

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