Kia Optima Hybrid Owner's Manual Quiz
Automatic Transmission

Oil Pump Description and Operation

In this manual: Automatic Transmission
General Information — 4Engine Mechanical System — 50Engine Electrical System — 20Emission Control System — 30Engine Control System/Fuel System — 84Automatic Transmission — 98Drive Shaft and Axle — 15Suspension System — 36Steering — 12Restraints — 50Brake System — 38Body (Interior and Exterior) — 54Body Electrical System — 233Heating, Ventilation, and Air Conditioning — 57
~1min read

Description

Mechanical Oil Pump (MOP)

The oil pump is built into the transaxle as one unit with the 26 brake (26/B) chamber. Pump rotation generates the hydraulic pressure required to lubricate various transaxle parts and to operate the clutches and brakes. Oil also circulates through the drive motor and cooler.

Oil Pump Flow

1. Inlet (oil filter) 5. 35R/C (35R clutch) operating pressure.
2. Inlet (valve body) 6. Lubrication
3. Outlet 7. E/C (engine clutch) lubrication
4. 26/B (26 brake) operating pressure 8. E/C (engine clutch) operating pressure

Test yourself

A quick Kia Optima Hybrid Owner's Manual quiz: every answer comes with an explanation and a link to the manual page.