Hyundai Ioniq (AE): Front Suspension System / Sub Frame. Repair procedures

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Suspension System / Front Suspension System / Sub Frame. Repair procedures

Removal
1.
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.

2.
Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securely supported.
3.
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.
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 :
78.5 - 98.1 N.m (8.0 - 10.0 kgf.m, 57.9 - 72.3 lb-ft)

5.
Loosen the lower arm nut and then remove the lower arm ball joint by using SST(09568-1S100).
(1)
Rmove the split pin (B).
(2)
Loosen the nut (C) and washer (D).
(3)
Using SST(09568-1S100), separate the ball joint (A) from the knuckle.
Tightening torque :
78.5 - 98.1 N.m (8.0 - 10.0 kgf.m, 57.9 - 72.3 lb-ft)

   
•
Do not reuse the lower arm lock nut (C).
6.
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)

   
•
When loosening the nut (A), fix the outer hexagon of stabilizer bar link.
•
Be careful not to damage the stabilizer link boots.
7.
Remove the heat protector (A).
Tightening torque :
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

8.
Loosen the mounting bolt (A)&(B) then remove the pipe from the sub frame.

9.
Remove the muffler rubber hanger (A).

10.
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)

   
•
Set up a transmission jack for safety.

11.
Loosen the mounting bolts and then remove the stabilizer bar.
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).
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 from the front sub frame 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 (A) 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)

15.
Install in the reverse order of removal.
16.
Check the wheel Alignment.
(Refer to Tires/Wheels - "Alignment")

    Removal1.Loosen the bolt (A) and then disconnect the universal joint assembly from the pinion of the steering gear box. Tightening torque : 32.

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