Kia Optima: Driveshaft Assembly / Front Driveshaft

Kia Optima DL3 2019-2024 Service and Repair Manual / Driveshaft and axle / Driveshaft Assembly / Front Driveshaft

Components and components location

Components

1. Front driveshaft (LH)

2. Front driveshaft (RH)

Repair procedures

Removal

1.	Disconnect the (-) battery terminal.

2.	Remove the front wheel and tire. (Refer to Suspension System - "Wheel")

Separate the stabilizer bar link (A) from the strut assembly after loosening the nut.

Tightening torque :

98.0 - 117.6 N·m (10.0 - 12.0 kgf·m, 72.3 - 86.7 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 (09568-2J100).

(1)	Remove the snap pin (C).

(2)

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

Tightening torque :

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

Do not reuse mounting nut.

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

Loosen the lower arm mounting nut (A).

(1)	Remove the snap pin (A).

(2)

Remove the lower arm mounting 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)

To loosen the nut (B), fix the bolt 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 safe 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.

By hammering on a chisel, unlock the driveshaft lock hub nut caulking.

If there is screw thread (A) on the end of the nut, unlock the caulking by using a chisel and then loosen the nut to prevent damaging driveshaft screw thread.

Remove the caulking nut (A) from the front axle.

Tightening torque :

294.2 - 313.8 N·m (30.0 - 32.0 kgf·m, 217.0 - 231.5 lb·ft)

•	The driveshaft lock nut must be replaced with new one. When replacing the drive lock hub nut, use only the nut with screw thread (A) on the end.

•	When replacing the drive lock hub nut, use only the nut with screw thread (A) on the end.

•	Tighten the driveshaft lock hub nut to the specified tightening torque, and caulk by using a chisel and hammer.

•

If there are two key seats, perform on all two seats.

Caulking depth (A) : 1.5 mm (0.0591 in)

Disconnect the driveshaft from the axle hub by using the SST (09517-4E000).

Removing the driveshaft, do not force pull or over deflect the axle.

10.	Separate the front driveshaft (A) from the knuckle assembly (B). [LH] [RH]

11.

Remove the driveshaft (B) by using the pry bar (A).

[LH]

[RH]

•	Do not insert the pry bar too deep, as this may damage the oil seal.

•	Do not pull the driveshaft by excessive force as it may cause components inside the joint kit to dislodge resulting in a torn boot or a damaged bearing.

•	When using the pry bar, be careful not to damage the transaxle and joint.

•	Plug the hole of the transaxle case with the oil seal cap to prevent contamination.

•	Replace the retainer ring whenever the driveshaft is removed from the transaxle.

Installation

1.	Install in the reverse order of removal.

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

Inspection

1.	Check the driveshaft boots for damage and deterioration.

2.	Check the driveshaft spline for wear or damage.

3.	Check that there is no water or foreign material in the joint.

4.	Check the spider assembly for roller rotation, wear or corrosion.

5.	Check the groove inside the joint case for wear or corrosion.

6.	Check the dynamic damper for damage or cracks.

Driveshaft Assembly

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