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Hyundai Tucson: Motor Driven Power Steering - Removal and installation

Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Steering System / Motor Driven Power Steering / Motor Driven Power Steering - Removal and installation

WARNING

When lifting a vehicle using a lift, be careful not to damage the lower parts of the vehicle (floor under cover, fuel filter, fuel tank, canister).

(Refer to General Information - "Lift Point")

  1. Loosen the front wheel nuts slightly.

    Raise the vehicle, and make sure it is securely supported.

  2. Remove the front wheel and tire.

    (Refer to Suspension System - "Wheel")

  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)

WARNING

  • When loosening the nut, fix the outer hexagon of stabilizer bar link.
  • Be careful not to damage the stabilizer link boots.
  1. Remove the split pin and tie rod end ball joint nut (A).

Tightening torque: 98.1 - 117.7 N.m (10.0- 12.0 kgf.m, 72.3 - 86.8 lb-ft)

  1. Remove the tie rod end ball joint (A) using the SST (09568-1S100).

  1. Loosen the front lower arm bolt and nut (A).

Tightening torque: 98.0- 117.6 N.m (10.0- 12.0 kgf.m, 72.3 - 86.7 lb-ft)

  1. Remove the lower arm from the knuckle by using the SST (09568-4R100).

(1) Install the support bolt (A) from lower arm bolt hole.

(2) Install the support body (B) from front axle.

(3) Tighten the bolt (C).

  1. Separate the universal joint from the steering gear box after loosening the universal joint mounting bolt (A).

Tightening torque : 53.9 - 58.8 N.m (5.5 - 6.0 kgf.m, 39.8 - 43.4 lb-ft)

WARNING

WARNING

  • Do not reuse the bolt.
  • Lock the steering wheel in the straight ahead position to prevent the damage of the clock spring inner cable.
  • Assemble so that the universal joint hole is inserted matching the cut surface of the pinion shaft.
  1. Remove the under cover.

(Refer to Engine Mechanical System - "Engine Room Under Cover")

  1. Disconnect the R-MDPS main connector (A). R-MDPS Type only

  1. Remove the muffler rubber hanger (A) from the sub frame after loosening the mounting nut.

Tightening torque : 19.6 - 25.5 N.m (2.0 - 2.6 kgf.m, 14.5 - 18.8 lb-ft)

  1. Remove the roll rod bracket (C) after loosening the bolt (A), (B).

Tightening torque :

(A): 107.9 - 127.5 N.m (11.0- 13.0 kgf.m, 79.6-94.0 lb-ft)

(B): 49.0 - 63.7 N.m (5.0 - 6.5 kgf.m, 36.2 - 47.0 lb-ft)

WARNING

WARNING

Set a transmission jack tor safety.

  1. Remove the sub frame stay after loosening the mounting bolts (A, B) and nut (C).

Tightening torque :

(A): 176.5 - 196.1 N.m (18.0-20.0 kgf.m, 130.2 - 144.7 b-ft)

(B): 44.1 - 53.9 N.m (4.5 - 5.5 kgf.m, 32.5 - 39.8 lb-ft)

(C): 44.1 - 53.9 N.m (4.5 - 5.5 kgf.m, 32.5 - 39.8 lb-ft)

  1. Loosen the sub frame mounting nuts (A).

Tightening torque : 176.5 - 196.1 N.m (18.0 - 20.0 kgf.m, 130.2 - 144.7 b-ft)

  1. Remove the sub frame.

  1. Remove the heat protector (A).

Tightening torque : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

C-MDPS

R-MDPS

R-MDPS

  1. Remove the steering gearbox (A) from the front sub frame after loosening the mounting bolts.

Tightening torque : 107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb-ft)

C-MDPSR-MDPS 

R-MDPS 

  1. To install, reverse the removal procedures.
  2. Check the alignment.

    (Refer to Suspension System - "Alingment")

  3. Conduct the "EPS Type Recognition" by diagnostic tool.

    (Refer to Motor Driven Power Steering - "Diagnosis with diagnostic tool")

Replacement

WARNING

  • Do not disassembly the steering gear box.
  • If disassembly the steering gear box. the quality(Noise / cleanliness / functions) is not guaranteed.

C-MDPS

R-MDPS

R-MDPS

Tie rod end

    READ NEXT:

     Tie rod end

    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) WARNING Before removing the tie rod end, note by measuring the length of the thread or marked with paint. Repl

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