Kia Forte: Front Suspension System / Sub Frame

Kia Forte 2019-2021 (BD) Service Manual / Suspension System / Front Suspension System / Sub Frame

Repair procedures
Removal and Installation
1.

Remove the front 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.

Detach the front lower arm from the front knuckle 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)

Detach the front lower arm from the front knuckle 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 stabilizer bar (A).

Tightening torque:

44.1 - 53.9 N·m (4.5 - 5.5 kgf·m, 32.5 - 39.8 lb·ft)

11.

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)

12.

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)

13.

Install in the reverse order of removal.

14.

Check the wheel alignment.

(Refer to Front Suspension System - "Front Alignment")

Front Stabilizer Bar
Repair procedures Removal and Installation 1. Remove the front wheel and tire (A). Tightening torque : 107.9 - 127.5 N·m (11.0 - 13.0 kgf·m, 79. ...

Front Alignment
Repair procedures Front wheel alignment 1. When using a commercially available computerized wheel alignment equipment to inspect the front wheel alignment, always posit ...

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