Kia Forte: Motor Driven Power Steering / Steering Gear Box

Kia Forte 2019-2020 (BD) Service Manual / Steering System / Motor Driven Power Steering / Steering Gear Box

Components and components location
Components

1. Sub frame
2. Steering gear box
3. Heat protector

Repair procedures
Removal and Installation
1.

Remove the wheel and tire (A).

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 to the hub bolts when removing the front wheel and tire.

2.

Loosen the nut and then disconnect the stabilizer bar link (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, fix the outer hexagon of stabilizer bar link.

Be careful not to damage the stabilizer link boots.

3.

Disconnect the tie rod end ball joint from the knuckle by using the SST (09568-1S100).

(1)

Remove the split pin (A).

(2)

Remove the castle nut (B).

Tightening torque :

34.3 - 44.1 N·m (3.5 - 4.5 kgf·m, 25.3 - 32.5 lb·ft)

(3)

Disconnect the tie rod end ball joint from the knuckle by using the SST (09568-1S100).

4.

Disconnect the lower arm from the knuckle by using the SST (09568-1S100).

(1)

Remove the lower arm nut (A).

Tightening torque:

58.8 - 70.6 N·m (6.0 - 7.2 kgf·m, 43.4 - 52.1 lb·ft)

(2)

Disconnect the lower arm from the knuckle by using the SST (09568-1S100).

  

When using SST, be sure not to damage the dust cover of lower arm ball joint.

Keep SST tied to the car because there is a risk of injury by dropping the SST during removing the lower arm ball joint.

The peripheral parts may be damaged when removing the lower arm ball joint with a general tool such as lever, so be sure to use SST.

5.

Loosen the bolt (A) and then disconnect the universal joint (B).

Tightening torque :

32.4 - 37.3 N·m (3.3 - 3.8 kgf·m, 23.9 - 27.5 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 (B) into the universal joint yoke slot (A) as the below illustration.

6.

Remove the roll rod bracket mounting bolt (A).

Tightening torque :

107.9 - 127.5 N·m (11.0 - 13.0 kgf·m, 79.6 - 94.0 lb·ft)

7.

Disconnect the front muffler rubber hanger (A).

8.

Support the sub frame (A) with a jack and then remove the sub frame bolts and nuts.

Tightening torque :

Bolts (B), Nuts (C) : 44.1 - 53.9 N·m (4.5 - 5.5 kgf·m, 32.5 - 39.8 lb·ft)

Bolts (D), Nuts (E) : 176.5 - 196.1 N·m (18.0 - 20.0 kgf·m, 130.2 - 144.7 lb·ft)

9.

Remove the sub frame (A).

10.

Loosen the bolts and then remove the heat protector (A).

Tightening torque:

6.9 - 10.8 N·m (0.7 - 1.1 kgf·m, 5.1 - 8.0 lb·ft)

11.

Loosen the bolts and then remove the steering gear box (A).

Tightening torque:

88.3 - 107.9 N·m (9.0 -11.0 kgf·m, 65.1 - 79.6 lb·ft)

12.

Install in the reverse order of removal.

Replacement
  

Do not disassemble the steering gear box.

If the steering gear box is disassembled, its quality (noise / cleanliness / functions) cannot be guaranteed.

[Interchangeable parts]

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, take the measurement or mark with paint the length of the thread.

2.

Replace the tie rod end.

3.

Check the alignment.

(Refer to Suspension System - "Front Alignment")

Dust cap

1.

Remove the dust cap cover.

2.

Remove the dust cap.

3.

Install in the reverse order of removal.

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