Kia Optima: Rear Suspension System / Rear Assist Armature

Kia Optima DL3 2019-2025 Service and Repair Manual / Suspension System / Rear Suspension System / Rear Assist Armature

Repair procedures

Removal

1.	Disconnect the (-) battery terminal.

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

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

•	To remove the bolt, install the transmission jack under the lower arm and remove it under no load.

•	Before removing the rear assist arm, mark the position and direction of the bolt and washer before changing.

Tightening torque

Rear carrier : 137.3 - 156.9 N.m (14.0 - 16.0 kgf.m, 101.3 - 115.7 lb-ft)

Rear sub frame : 107.8 - 117.6 N.m (11.0 - 12.0 kgf.m, 79.5 - 86.8 lb-ft)

Inspection

1.	Check the bushing for wear and deterioration.

2.	Check the rear assist arm for deformation.

3.	Check for all bolts and nuts.

Installation

1.	Install in the reverse order of removal.

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

Rear Lower Arm

Repair procedures Removal 1. Disconnect the (-) battery terminal. 2. Remove the rear wheel and tire. (Refer to Tires/Wheels - "Wheel") ...

Trailing Arm

Repair procedures Removal 1. Disconnect the (-) battery terminal. 2. Remove the rear wheel and tire. (Refer to Tires/Wheels - "Wheel") ...

Other information:

Kia Optima DL3 2019-2025 Owner's Manual: Explanation of scheduled maintenance items

Engine oil and filter The engine oil and filter should be changed at the intervals specified in the maintenance schedule. If the vehicle is being driven in severe conditions, more frequent oil and filter changes are required. Drive belts Inspect all drive belts for evidence of cuts, cracks, e ...

Kia Optima DL3 2019-2025 Owner's Manual: Wheel alignment and tire balance

The wheels on your vehicle were aligned and balanced carefully at the factory to give you the longest tire life and best overall performance. In most cases, you will not need to have your wheels aligned again. However, if you notice unusual tire wear or your vehicle pulling one way or the other ...