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

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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: 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 ...

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

Inspection Radiator Cap Testing 1. Remove the radiator cap, wet its seal with engine coolant, and then install it on a pressure tester. 2. Apply a pressure of 93.16 ~ 122.58kPa (0.95 ~ 1.25kgf/cm?, 13.51 ~ 17.78psi). 3. Check for a drop in pressure. 4. If the pressure drops, replace the cap. Radiator ...