Kia Optima Hybrid: Hydraulic System / Oil Pump Description and Operation

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

Description

Machanical Oil Pump (MOP)

The oil pump is built in the transaxle as a single unit with the 26 Brake (26/B) chamber. Rotation of the pump builds the hydraulic pressure needed for the lubrication of the various parts of the transaxle and operation of the clutch and brakes. The oil also circulates through the driving motor and the cooler.

Oil pump operation flow

1. Inlet (Oil filter)	5. 35R/C (35R Clutch) operation pressure
2. Inlet (Valve body)	6. Lubrication
3. Outlet	7. E/C (Engine Clutch) Lubrication
4. 26/B (26 Brake) operation pressure	8. E/C (Engine Clutch) Operation pressure

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) ...

Oil Pump Components and Components Location

Component 1. Flange bolt2. Sleeve3. Reaction shaft support assembly4. Driven gear 5. Sleeve6. Driven gear 7. Oil pump housing ...

Other information:

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

Inspection Lighting Switch Inspection With the multi function switch in each position, make sure that continuity exists between the terminals below. If continuity is not as specified, replace the multi-function switch. Lighting Switch (Auto Light) ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: 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 valves, oil redirection valves, shift valves, and manual valves. The body also features electronic ...