Kia Optima DL3: Automatic Transaxle System / Hydraulic System

Components and components location

Components Location

1. Automatic transaxle
2. Oil filter
3. Mechanical oil pump

4. Converter housing
5. Torque converter




Description and operation

Description

The components of the hydraulic system

Automatic Transaxle Fluid (ATF)

Oil pump

Oil filter

Valve body

Operation
1.

The oil pump is powered by the engine.

2.

ATF passes through the oil filter and gets distributed along the oil channels.

3.

TCM controls the hydraulic pressure using solenoid valves and controls clutch and brake operations.

Oil-pressure characteristics input

Oil-pressure characteristics input
Solenoid valve oil-pressure characteristics input procedure
1.

Perform the oil-pressure characteristics input procedure using the KDS.

2.

Click the "OK" button after checking the condition.

3.

Click the "OK" button after selecting the replaced solenoid valve.

4.

Check the code that was recorded before installing the new solenoid valve.

5.

Click the "OK" button after inputting oil pressure characteristics for the replaced solenoid valve.

Components and components location Components 1. Transaxle Support Braket 5. Roll Rod Support Bracket 2.

Repair procedures Inspection Automatic Transaxle Fluid (ATF) Level Check    When checking the ATF level, be careful not to allow foreign substance (like dust) to enter through the filler hole.

Other information:

Kia Optima DL3 2019-2026 Service and Repair Manual: Washer Motor

Repair procedures Inspection Washer Motor 1. With the washer motor connected to the reservoir tank, fill the reservoir tank with water.    Before filling the reservoir tank with water, check the filter for foreign mat

Kia Optima DL3 2019-2026 Service and Repair Manual: Refrigerant Line

Components and components location Components Location 1. Suction & Liquid tube assembly 2. Discharge hose Repair procedures Replacement 1. If the compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few minute

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