Kia Rio: Front Suspension System / Front Lower Arm

Kia Rio 2017-2025 YB Service Manual / Suspension System / Front Suspension System / Front Lower Arm

Repair procedures

Removal

Remove wheel nuts, front wheel and tire from front hub.

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 the hub bolts when removing the front wheel and tire.

Remove the lower arm bolt and nut (A).

Tightening torque:

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

Remove the front lower arm from the front knuckle 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 safe wire (A).

(5)	Install the main body (A) between the front strut and the lower arm.

(6)	To avoid the main body coming off, install a fixing clamp (A) beside the main body.

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

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

Remove the lower arm (A) from the sub frame.

Tightening torque:

B : 117.7 - 137.3 N·m (12.0 - 14.0 kgf·m, 86.8 - 101.3 lb·ft)

C : 156.9 - 176.5 N·m (16.0 - 18.0 kgf·m, 115.7 - 130.2 lb·ft)

5.	Install in the reverse order of removal.

6.	Check the wheel alignment. (Refer to Tires/Wheels - "Alignment")

Lower arm ball joint

1.	Remove the front lower arm. (Refer to Suspension System - "Front Lower Arm")

2.	Remove the snap ring (A) from the lower arm ball joint.

3.	Using a press, remove the ball joint (A) from the lower arm.

4.	Using a press, install the new ball joint.

Inspection

1.	Check the bushing for wear and deterioration.

2.	Check the lower arm for bending or breakage.

3.	Check the lower arm for deformation.

4.	Check all bolts and nuts.

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