Kia Optima: Oil Pump Description and Operation - Hydraulic System - Automatic Transaxle SystemKia Optima: 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 ...

See also:

Oil Pump Uni t(OPU) Components and Components Location
Components Location 1. Oil Pump Unit (OPU) ...

Child-protector rear door lock
The child safety lock is provided to help prevent children from accidentally opening the rear doors from inside the vehicle. The rear door safety locks should be used whenever children are in th ...

Troubleshooting
  Symption Suspect area Remedy Engine misfire with abnormal internal lower engine noises. Worn crankshaft bearings Loose or out of s ...

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