Kia Optima Hybrid: Rear Axle Assembly / Rear Hub - Carrier Repair procedures

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Driveshaft and axle / Rear Axle Assembly / Rear Hub - Carrier Repair procedures

Replacement

1.	Loosen the wheel nuts slightly. Raise the vehicle, and make sure it is securely supported.

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

Tightening torque:

88.2 ~ 107.8 N.m (9.0 ~ 11.0 kgf.m, 65.0 ~ 79.5 lb-ft)

Be careful not to damage to the wheel nuts when removing the rear wheel and tire.

Loosen the mount screw and then brake disc (A).

Tightening torque:

4.9 ~ 6.8 N.m (0.5 ~ 0.7 kgf.m, 3.6 ~ 5.0 lb-ft)

Loosen the rear upper arm and then remove the rear upper arm (A).

Tightening torque:

137.2 ~ 156.9 N.m (14.0 ~ 16.0 kgf.m, 101.2 ~ 115.7 lb-ft)

Remove the brake caliper mounting bolts , and then hold the brake caliper assembly (B) with wire as shown in the illustration.

Tightening torque:

78.4 ~ 98.0 N.m (8.0 ~ 10.0 kgf.m, 57.8 ~ 72.3 lb-ft)

Disconnect the wheel speed sensor connector (A).

Tightening torque:

6.8 ~ 10.7 N.m (0.7 ~ 1.1 kgf.m, 2.8 ~ 7.9 lb-ft)

7.	Disconnect the parking cable mounting clip, remove the parking cable (A). (Refer to BR group - "Parking brake cable")

Loosen the trailing arm mounting bolt, and then remove the trailing arm (A).

Tightening torque:

44.1 ~ 53.9 N.m (4.5 ~ 5.5 kgf.m, 32.5 ~ 39.7 lb-ft)

Loosen the assist arm mounting nut and then remove the assist arm (A).

Tightening torque:

78.4 ~ 88.2 N.m (8.0 ~ 9.0 kgf.m, 57.9 ~ 65.1 lb-ft)

10.

Loosen the lower arm (A) and rear strut assembly (B) mounting bolts and remove the knuckle assembly (C).

Tightening torque:

Lower arm : 137.2 ~ 156.9 N.m (14.0 ~ 16.0 kgf.m, 101.2 ~ 115.7 lb-ft)

Strut : 137.2 ~ 156.9 N.m (14.0 ~ 16.0 kgf.m, 101.2 ~ 115.7 lb-ft)

11.

Loosen the hub bearing mounting, and then remove the hub bearing from knuckle (A).

Tightening torque:

58.8 ~ 68.6 N.m (6.0 ~ 7.0 kgf.m, 43.3 ~ 50.6 lb-ft)

12.	Install in the reverse order of removal.

Inspection

1.	Check the hub for cracks and the splines for wear.

2.	Check the brake disc for scoring and damage.

3.	Check the rear axle carrier for cracks.

4.	Check the bearing for cracks or damage.

Rear Hub - Carrier Components and Components Location

Components 1. Rear carrier assembly2. Parking brake assembly3. Rear hub assembly4. Rear brake disc ...

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