Hyundai i-30: Front Suspension System / Sub Frame

Hyundai i30 (PD) 2018-2025 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 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.
Disconnect the stabilizer link with the front strut assembly 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 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).
6.
Loosen the bolt (A) and then disconnect the universal joint assembly from the pinion of the steering gear box.
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 the universal joint york slot as the illustration below .
7.
Remove the roll rod stopper (A) by loosening the bolt and 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 mounting bolts 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 the stabilizer 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)

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

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 then tighten 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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    1. Park the vehicle and set the parking brake.

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