Kia Forte: Front Suspension System / Sub Frame

Kia Forte 2019-2025 (BD) Service Manual / Suspension System / Front Suspension System / Sub Frame

Repair procedures

Removal and Installation

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.

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.

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).

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.

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.

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).

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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