Kia Optima Hybrid: Hydraulic System / Valve Body Components and Components Location
| Component Location |
| 1. Automatic transaxle | 2. Valve body assembly |
| Component |
| 1. Pressure Control Valve(PCV) adjust screw | 8. Underdrive Brake Control Solenoid Valve(UD/B) |
| 2. Solenoid valve bracket | 9. 26 Brake Control Solenoid Valve(26/B) |
| 3. Oil temperature sensor | 10. 35R Clutch Control Solenoid Valve(35R/C) |
| 4. Line Pressure Control Solenoid Valve | 11. Torque Converter Control Solenoid Valve (T/CON) |
| 5. SS-A Solenoid Valve(ON/OFF) | 12. LR/B pressure flow hole |
| 6. SS-B Solenoid Valve(ON/OFF) | 13. UD/B pressure flow hole |
| 7. Overdrive Clutch Control Solenoid Valve(OD/C) | 14. Accumulator |
| Valve Body Flow |
| 1. To cooler | 9. Lubrication (Front) |
| 2. From cooler | 10. 35R clutch pressure |
| 3. Lubrication (Rear) | 11. 26 brake pressure |
| 4. Overdrive pressure | 12. From oil pump |
| 5. Reducing pressure (red2) | 13. To oil pump |
| 6. Reducing pressure (red1) | 14. Underdrive pressure |
| 7. Engine clutch pressure | 15. Low & reverse pressure |
| 8. Lubrication (Engine clutch) | ? |
Valve Body Description and Operation
Description The valve body is essential to automatic transaxle control and consists of various valves used to control the oil feed from the oil pump. Specifically, these valves consist of pressure regulator ...
Valve Body Repair procedures
Removal • Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage system. Failure to follow the safety instructions ...
Other information:
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Heated Oxygen Sensor (HO2S) Description and Operation
Description Heated Oxygen Sensor (HO2S) consists of zirconium and alumina and is installed both upstream and downstream of the Catalytic Converter. It varies in accordance with the air/fuel ratio. The sensor must be hot in order to operate normally. To keep it hot, the sensor has a heater which is controlled ...
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Underdrive Brake Control Solenoid Valve (UD/B_VFS) Repair procedures
Inspection 1. Turn ignition switch OFF. 2. Remove the air duct (A). Tightening torque: 7.8 ~ 9.8 N.m (0.8 ~ 1.0 kgf.m, 5.8 ~ 7.2 lb-ft) 3. Remove the air cleaner assembly. (1) Disconnect the breather hose (A). (2) Disconnect the air intake hose (B) and then remove the air cleaner assembly (C). Tightening ...