Kia Optima DL3: Driveshaft Assembly / Joint Assembly (Transaxle side)

Kia Optima DL3 2019-2025 Service and Repair Manual / Driveshaft and axle / Driveshaft Assembly / Joint Assembly (Transaxle side)

Components and components location

Components

1. Wheel side joint assembly
2. Wheel side circlip
3. Wheel side boot band
4. Wheel side boot

5. Shaft
6. Transaxle side boot band
7. Transaxle side boot
8. Spider assembly

9. Snap ring
10. Transaxle side joint case
11. Circlip

Repair procedures

Removal

•	Drive shaft joints require special grease, so do not add any other type of grease.

•	When removing the boot band, the boot band must be brand new.

1.	Remove the Front Driveshaft. (Refer to Driveshaft Assembly - “Front Driveshaft”)

2.	Remove both boot bands from the transaxle side joint.

3.	Remove the joint stopper ring (B) and the joint housing (C) after separating the transaxle side joint boot (A) in the direction of the arrow.

4.	Remove the bearing from the spider assembly.

5.	Use the snap ring pliers to remove the snap ring (A).

6.	Remove spider assembly (B) from driveshaft using puller (A).

7.	Remove the transaxle side joint boot (A).

8.	Clean the spider assembly and joint housing.

Inspection

1.	Check spline (A) for damage / wear / crack.

2.	Check the boot for water or foreign objects.

3.	Check joint assembly for damage / wear / crack and rust.

4.	Replace any defective parts.

Installation

•	When assembling, be careful not to let dust and foreign substances enter.

•	Driveshaft joints require special grease, so do not add any other type of grease.

•	Boot bands must use the new one.

1.	Install the transaxle side boot (A) and boot band (B) on the driveshaft.

Install it in the order of spider assembly (A) and snap ring (B) in the driveshaft spline.

•	Note the orientation of the spider assembly. If the spider assembly is not oriented, the snap ring will not be mounted.

•	When replacing the joint assembly, assemble using the new parts included in the joint kit.

•	Snap ring must use a new one.

It applies a prescribed grease within the joint housing and the boot.

•	Greece uses the grease contained in the Joint Kits / Boot kits.

•	Driveshaft joints require special grease, so do not add any other type of grease.

•	A certain amount of grease (2-30%) is applied in the boot.

4.	Install the bearing on the spider assembly.

Assemble the transaxle side joint housing (A) to the driveshaft and mount the stopper ring (B).

•	Check that the stopper ring is correctly mounted in the joint housing.

•	Make sure that the joint housing does not come out when pulled out.

6.	Install the boot (A) on the joint housing.

Set the distance between the driveshafts to the standard value and install the boot band to regulate the air in the transaxle boot.

Engine	Distance (L) mm (in.)
Engine	LH side	RH side
THETA Ⅲ 2.5 GDI	538.9 (21.2165)	835.5 (32.8937)
NU 2.0 MPI	551 (21.6929)	824.3 (32.4527)

8.	Install the large diameter boot band by using the SST (09495-39100).

Install the small diameter boot band by using the SST (0K495-C5000).

Clearance (A): 2.0 mm (0.0787 in.) or less

When attaching the small diameter band, fasten it in line with the direction of the omega shape of the wheel joint boot band.

10.	Install the Front Driveshaft. (Refer to Driveshaft Assembly - “Front Driveshaft”)

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

❮Front Driveshaft

Components and components location Components 1. Front driveshaft (LH) 2. Front driveshaft (RH) Repair procedures Removal 1.

Joint Assembly (Wheel side)❯

Components and components location Components 1. Wheel side joint assembly 2. Wheel side circlip 3. Wheel side boot band 4.

Other information:

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