Hyundai i-30: Motor Driven Power Steering / Steering Gear Box

Hyundai i30 (PD) 2018-2023 Service Manual / Steering System / Motor Driven Power Steering / Steering Gear Box

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 from 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 :
156.9 - 176.5 N.m (16.0 - 18.0 kgf.m, 115.7 - 130.2 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.
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]
12.
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)
[LHD]

[RHD]
13.
To install, reverse the removal procedure.
14.
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.
Tie rod end
1.
Remove the tie rod end after loosening the nut.
Tightening torque :
49.0 - 53.9 N.m (5.0 - 5.5 kgf.m, 36.2 - 39.8 lb-ft)

  
•
Before removing the tie rod end, note by measuring the length of the thread or marked with paint.
2.
Replace with new parts.
3.
Check the alignment.
(Refer to Tires/ Wheels - "Alignment")

    MDPS Assembly

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    Restraint

    ..

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