Automatic Transmission
Description and Operation
In this manual: Automatic Transmission
~1min read
Description
- The oil pump is driven by the engine. ATF passes through the oil filter and is distributed through the oil passages.
- The oil is under high pressure when it exits the oil pump and passes through the line pressure valve before being supplied to the clutch and brake control valve, clutches and brakes.
- The TCM regulates hydraulic pressure using solenoid valves and controls the operation of the clutches and brakes.

Test yourself
A quick Hyundai Elantra AD quiz: every answer comes with an explanation and a link to the manual page.
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