Hyundai Ioniq: Motor Driven Power Steering / Steering Gear Box. Repair procedures

Hyundai Ioniq (AE) 2017-2024 Service Manual / Steering System / Motor Driven Power Steering / Steering Gear Box. 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)

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 (A).
6.
Disconnect the stabilizer link with the front strut assembly after loosening the nut.
T ightening torque :
98.1 - 117.7 N.m (10.0 - 12.0 kgf.m, 72.3 - 86.8 lb-ft)

   
When loosening the nut, fix the outer hexagon of stabilizer bar link.
Be careful not to damage the stabilizer link boots.
7.
Remove the front subframe.
(Refer to Suspension System - "Sub Frame")
8.
Remove the protector (A).
Ti ghtening torque :
6.9 - 10.8 N.m (0.7 - 1.1 kgf.m, 5.1 - 8.0 lb-ft)

9.
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)

10.
To install, reverse the removal procedure.
11.
Check the front alignment.
(Refer to Suspension System - "Front Alignment")
Replacement
   
Do not disassembly the steering gear box.
If disassembly the steering gear box, the quality (Noise / cleanliness / functions) is not guaranteed.

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