Hydraulic Control System: Description

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Fig 1: Hydraulic Control System Chart

Courtesy of HYUNDAI MOTOR CO.

Better and smoother shift quality.
In order to prevent ATF leakage from the valve body or each elements, the exhaust ports have been grouped into only one with an addition of a check ball.
If a fail occurs in its electric control, the switch valve and fail safe valve is able to move to enable 3rd speed drive or reverse.
The hydraulic system consists of oil pump, regulator valve, solenoid valves, pressure control valve and valve body.