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.
|
- Fluid
- Valve Body
- Oil Pump
- Torque Converter Control Solenoid Valve (T/CON_VFS)
- 35R Clutch Control Solenoid Valve (35R/C_VFS)
- 26 Brake Control Solenoid Valve (26/B_VFS)
- Underdrive Brake Control Solenoid Valve (UD/B_VFS)
- Overdrive Clutch Control Solenoid Valve (OD/C_VFS)
- Line Pressure Control Solenoid Valve
- SS-A Solenoid Valve (ON/OFF)
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: Smart Key Unit
Schematic diagrams Connector and Terminal Function Pin Function Connector A Connector B Connector C Connector D 1 - Front washer switch (Output) - Driver outside handle switch (Input)
Kia Optima DL3 2019-2026 Service and Repair Manual: Photo Sensor
Description and operation Description The photo sensor is located at the center of the defrost nozzles. The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light receiving portion, generates an electromotive force in proportion to the amount of radiation received which is
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