Kia Optima: Valve Body. Description and OperationDescription
The valve body is essential to automatic transaxle control and consists of various valves used to control the oil feed from the oil pump. Specifically, these valves consist of pressure regulator valves, oil redirection valves, shift valves, and manual valves. The body also features electronic solenoid valves that ensure smooth gear changes.

Replacement
Valve Body. Components and Components LocationMode Control Actuator. Description and Operation
Description
The mode control actuator is located at the heater unit.It adjusts position of
mode door by operating mode control actuator based on signal of A/C control unit.
Pressing mode select s ...
Relay Box (Engine Compartment). Components and Components Location
Components
...
Removal
1.
Remove the steering column upper
and lower shrouds after removing 3 screws.
2.
Remove the wiper switch (A) by
releasing the part.
3.
If nec ...