Kia Sorento: Front Sub Frame Repair procedures

Kia Sorento (MQ4, 2021-2026) Service Manual / Suspension System / Front Suspension System / Front Sub Frame Repair procedures

Removal

Align the steering wheel so that the front wheels to facing straight ahead.

If the steering wheel and the front tires does not synchronize to their centers together, open circuit on the clock spring cable may occur due to change the steering wheel turning.

2.	Disconnect the (-) battery terminal.

Remove the bolt (A) and remove the universal joint (B).

Tightening torque :

49.0 - 58.8 N·m (5.0 - 6.0 kgf·m, 36.2 - 43.4 lb·ft)

Suspension System — Front Suspension System / Front Sub Frame / Repair procedures / Removal illustration

•	Secure the steering wheel so that it does not move.

•	Lock the steering wheel in the straight ahead position to prevent the damage of the clock spring inner cable.

•	Do not reuse the bolt.

4.	Remove the front wheel and tire. (Refer to Tires/Wheels - "Wheel")

Disconnect the stabilizer bar link (B) with the front strut assembly after removing the nut (A).

Tightening torque :

98.1 - 117.7 N·m (10.0 - 12.0 kgf·m, 72.3 - 86.8 lb·ft)

Suspension System — Front Suspension System / Front Sub Frame / Repair procedures / Removal illustration

•	When removing the nut (A), fix the outer hexagon of stabilizer bar link (B).

•	Be careful not to damage the stabilizer bar link boots.

Disconnect the tie rod end ball joint from the knuckle by using the SST (09568-2J100).

(1)	Remove the split pin (A).

(2)

Remove the lock nut (B) and washer (C).

Tightening torque :

98.1 - 117.7 N·m (10.0 - 12.0 kgf·m, 72.3 - 86.8 lb·ft)

Suspension System — Front Suspension System / Front Sub Frame / Repair procedures / Removal illustration

Do not reuse mounting nut.

(3)	Disconnect the tie rod end ball joint from the knuckle by using the SST (09568-2J100).

Remove the lower arm mounting nut (A).

(1)	Remove the split pin (A).

(2)

Remove the lower arm mounting bolt (B), nut (C) and washer (D).

Tightening torque :

98.1 - 117.7 N·m (10.0 - 12.0 kgf·m, 72.3 - 86.8 lb·ft)

Suspension System — Front Suspension System / Front Sub Frame / Repair procedures / Removal illustration

To remove the nut (C), fix the bolt (B) on the opposite side to prevent it from turning.

Disconnect lower arm ball joint from the knuckle by using the SST (0K545-A9100).

(1)	After removing bolts from the front knuckle, install and tighten the sub body bolt (A)

(2)	Input the sub body (B) between the front knuckle and the sub body bolt.

(3)	Tighten the bolt (C) of the sub body to broaden the gap of the front knuckle.

(4)	Install the safety wire and main body (A) between the front strut and the lower arm.

(5)	After installing a body (A), rotate the handle (B) clockwise util the clamp is fixed on the lower arm.

(6)	Tighten the main body bolt (A) slowly and remove the lower arm from the front knuckle.

9.	Remove the under cover. G 2.5 GDI THETA III - (Refer to Engine Mechanical System - "Engine Room Under Cover") G 2.5 T-GDI THETA III - (Refer to Engine Mechanical System - "Engine Room Under Cover")

10.

Remove the nuts and remove the sub frame under cover (A).

Tightening torque :

7.8 - 11.8 N·m (0.8 - 1.2 kgf·m , 5.8 - 8.7 lb·ft)

Suspension System — Front Suspension System / Front Sub Frame / Repair procedures / Removal illustration

11.

Remove the mounting bolts (A) and (B) and remove the roll rod bracket (C).

Tightening torque

Bolt (A) : 49.0 - 63.7 N·m (5.0 - 6.5 kgf·m, 36.1 - 47.0 lb·ft)

Bolt (B) : 107.8 - 127.4 N·m (11.0 - 13.0 kgf·m, 79.5 - 94.0 lb·ft)

Suspension System — Front Suspension System / Front Sub Frame / Repair procedures / Removal illustration

12.

Remove the nut (A) and remove the muffler rubber hanger (B).

Tightening torque :

19.6 - 24.5 N·m (2.0 - 2.5 kgf·m, 14.4 - 18.0 lb·ft)

Suspension System — Front Suspension System / Front Sub Frame / Repair procedures / Removal illustration

13.	Remove the fastener (A).

14.

Remove the sub frame stay bolt (A) and nut (B).

Tightening torque

Bolt (A) : 44.1 - 58.8 N·m (4.5 - 6.0 kgf·m, 32.5 - 43.4 lb·ft)

Nut (B) : 44.1 - 58.8 N·m (4.5 - 6.0 kgf·m, 32.5 - 43.4 lb·ft)

[LH]

Suspension System — Front Suspension System / Front Sub Frame / Repair procedures / Removal illustration

[RH]

Suspension System — Front Suspension System / Front Sub Frame / Repair procedures / Removal illustration

15.

Support the sub frame securely with the jack (A).

Suspension System — Front Suspension System / Front Sub Frame / Repair procedures / Removal illustration

If the transmission jack is used to remove the subframe, it may tip forward, which may cause injury.

16.

Remove the mounting bolt (A) and remove the front sub frame stay (B).

Tightening torque :

176.6 -196.2 N·m (18.0 - 20.0 kgf·m, 130.1 - 144.6 lb·ft)

[LH]

Suspension System — Front Suspension System / Front Sub Frame / Repair procedures / Removal illustration

[RH]

Suspension System — Front Suspension System / Front Sub Frame / Repair procedures / Removal illustration

17.

Remove the sub frame mounting nut (A).

Tightening torque :

176.6 -196.2 N·m (18.0 - 20.0 kgf·m, 130.1 - 144.6 lb·ft)

[LH]

Suspension System — Front Suspension System / Front Sub Frame / Repair procedures / Removal illustration

[RH]

Suspension System — Front Suspension System / Front Sub Frame / Repair procedures / Removal illustration

18.	Slowly lower the jack to remove the sub frame (A).

19.

Remove the bolts and remove the steering gear box heat protector (A).

Tightening torque :

6.8 - 10.7 N·m (0.7 - 1.1 kgf·m, 5.0 - 7.9 lb·ft)

[C-MDPS]

Suspension System — Front Suspension System / Front Sub Frame / Repair procedures / Removal illustration

20.

Remove the steering gear box (A) from the front sub frame by removing the mounting bolts.

Tightening torque :

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

[C-MDPS]

Suspension System — Front Suspension System / Front Sub Frame / Repair procedures / Removal illustration

21.

Remove the mounting bolts and then remove the stabilizer bar (A).

Tightening torque :

63.7 - 78.4 N·m (6.5 - 8.0 kgf·m, 47.0 - 57.8 lb·ft)

Suspension System — Front Suspension System / Front Sub Frame / Repair procedures / Removal illustration

22.

Remove the bolts and nuts and remove the lower arm (A).

Tightening torque

Bolt (B) : 157.0 - 176.6 N·m (16.0 - 18.0 kgf·m, 115.7 - 130.2 lb·ft)

Nut (C) : 157.0 - 176.6 N·m (16.0 - 18.0 kgf·m, 115.7 - 130.2 lb·ft)

Suspension System — Front Suspension System / Front Sub Frame / Repair procedures / Removal illustration

23.

Remove the nuts (A) and remove dynamic damper (B).

Tightening torque :

39.2 - 49.0 N·m (4.0 - 5.0 kgf·m, 28.9 - 36.2 lb·ft)

Suspension System — Front Suspension System / Front Sub Frame / Repair procedures / Removal illustration

Installation

1.	Install in the reverse order of removal.

2.	Check the alignment. (Refer to Suspension System - "Alingment")

Front Stabilizer Bar Repair procedures

Removal 1. Disconnect the (-) battery terminal. 2. Remove the front wheel and tire. (Re...

Rear Suspension System

...

Kia Sorento: Front Sub Frame Repair procedures

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