Kia Optima: Automatic Transaxle System / Hydraulic System
Kia Optima DL3 2019-2021 Service and Repair Manual / 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)
Automatic Transaxle System
Components and components location
Components
1. Transaxle Support Braket
5. Roll Rod Support Bracket
2. Driveshaft Assembly [RH]
6. S ...
Fluid
Repair procedures
Inspection
Automatic Transaxle
Fluid (ATF) Level Check
When checking the ATF level, be careful ...
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