Kia Optima: Description and Operation - Hydraulic System - Automatic Transaxle System - Kia Optima TF 2011-2025 Service ManualKia Optima: Description and Operation

Description

The hydraulic system consists of oil, an oil filter, an oil pump, and a valve body (valves and solenoid valves). The oil pump is powered by the engine. ATF passes through the oil filter and gets distributed along the oil channels. The oil becomes highly pressurized as it exits the oil pump and passes through the line pressure valve before being fed to the clutch & brake control valve, clutch, and brakes. TCM controls the hydraulic pressure using solenoid valves and controls clutch and brake operations.
Hydraulic System
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Components and Components Location
Components Location 1. Automatic transaxle 2. Valve body assembly 3. Oil pump assembly ...

See also:

Recommended SAE viscosity number
CAUTION Always be sure to clean the area around any filler plug, drain plug, or dipstick before checking or draining any lubricant. This is especially important in dusty or sandy areas and ...

Manual operation
If the sunroof does not operate electrically 1. Remove the rectangular plastic lens in the front of the roof panel. 2. Turn the cross bolt with a Phillips screw driver counterclockwise to remove t ...

Cruise control system
The cruise control system allows you to program the vehicle to maintain a constant speed without depressing the accelerator pedal. This system is designed to function above approximately 40 km/h (2 ...

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