Hyundai i-30: Front Suspension System / Sub Frame

Hyundai i30 (PD) 2018-2024 Service Manual / Suspension System (NON-ECS) / Front Suspension System / Sub Frame

Repair procedures
Removal
1.
Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securelysupported.
2.
Remove the front wheel and tire (A) from the fronthub.
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 whenremoving the front wheel and tire (A).
3.
Disconnect the stabilizer link with the front strutassembly after loosening the nut (A).
Tightening torque :
98.1 - 117.7 N.m (10.0 - 12.0 kgf.m, 72.3 - 86.8 lb-ft)

4.
Remove the tie rod end ball joint.
(1)
Rmove the split pin (C).
(2)
Loosen the nut (B).
(3)
Using SST (09568-1S100), separate the ball joint(A) from the knuckle.
Tightening torque :
23.5 - 34.3 N.m (2.5 - 3.5 kgf.m, 18.1 - 25.3 lb-ft)

5.
Loosen the lower arm nut (A) and then remove thelower 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).
6.
Loosen the bolt (A) and then disconnect the universaljoint assembly from the pinion of the steering gearbox.
Tightening torque :
M8 BOLT : 32.4 - 37.3 N.m (3.3 - 3.8 kgf.m, 23.9 - 27.5 lb-ft)
M10 BOLT : 49.0 - 58.8 N.m (5.0 - 6.0 kgf.m, 36.2 - 43.4 lb-ft

  
Do not reuse the bolt.
Lock the steering wheel in the straight ahead position to prevent the damage of the clock spring inner cable.
When assembling, insert the shark pin into theuniversal joint york slot as the illustration below .

7.
Remove the roll rod stopper (A) by loosening the boltand nut.
Tightening torque :
107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb-ft)

8.
Remove the muffler rubber hanger (A).

9.
Remove the heat protector (A).

10.
Remove the subframe by loosening the mountingbolts and nuts.
Tightening torque :
Sub frame mounting bolts and nut :
176.5 - 196.1 N.m (18.0 - 20.0 kgf.m, 130.2 - 144.7 b-ft)
Sub frame stay mounting bolt :
44.1 - 53.9 N.m (4.5 - 5.5 kgf.m, 32.5 - 39.8 lb-ft)

  
Set a transmission jack for safety.

11.
Loosen the mounting bolts and then remove thestabilizer bar (A).
Tightening torque :
44.1 - 53.9 N.m (4.5 - 5.5 kgf.m, 32.5 - 39.8 lb-ft)

12.
Remove the protector (A), (B) and (C).
Tightening torque :
6.9 - 10.8 N.m (0.7 - 1.1 kgf.m, 5.1 - 8.0 lb-ft)
[RHD]

[LHD]

13.
Remove the steering gearbox (A) by loosening themounting bolts.
Tightening torque
88.2 - 107.8 N.m (9.0 - 11.0 kgf.m, 65.0 - 79.5 lb-ft)
[LHD]

[RHD]

14.
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 thentighten the rear mounting bolt and nut.
15.
To install, reverse the removal procedure.
16.
Check the front alignment.
(Refer to Suspension System - "Front Alignment")

    Front Stabilizer Bar

    Repair procedures Removal 1. Loosen the wheel nuts slightly. Raise the vehicle, and make sure it is securely supported...

    Rear Suspension System

    ..

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