Kia Optima Hybrid: Hydraulic System / Description and Operation

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Automatic Transaxle System / Hydraulic System / Description and Operation

Description

The hydraulic system consists of oil, an oil filter, oil pump, and a valve body (valves and solenoid valves). The machanical oil pump is in the transaxle and is mechanically turned by the input shaft of the transaxle. The electric oil pump is turned by an electrical motor and is mounted on the outside of the transaxle housing. ATF passes through the oil filter and gets distributed along the oil channels.

Hydraulic System

...

Components and Components Location

Component Location 1. Automatic transaxle assembly 2. Machanical oil Pump assembly (MOP)3. Valve body assembly4. ATF Warmer5. Electric oil pump (EOP) ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Shift Cable 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 may result in serious electrical injuries. • Be sure to shut off the high voltage circuit according ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Repair procedures

Fuel Pressure Test 1. Release the residual pressure in fuel line (Refer to “Release Residual Pressure in Fuel Line” in this group). When removing the fuel pump relay, a Diagnostic Trouble Code (DTC) may occur. Delete the code with the GDS after completion of “Release Residual Pressure ...