Automatic Transmission

Description and Operation

~1min read

Description

The hydraulic system consists of the fluid, oil filter, oil pump, and valve body (valves and solenoid valves). The mechanical oil pump is located in the transaxle and is driven mechanically by the input shaft. The electric oil pump is driven by an electric motor and is installed on the outside of the transaxle case. ATF passes through the oil filter and is distributed through the oil passages.

Test yourself

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