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 LocationComponent Location (1)
1. Buzzer
2. RF receiver
3. Smart key unit
4. Interior antenna 1
5. Interior antenna 2
6. Trunk antenna
7. Bumper antenna
...
Installation
1.
Install the mirror assembly.
2.
Install the mirror wiring cover
and connector.
...
Inspection
1.
Check the bushing for wear.
2.
Check the brake pedal for bending
or twisting.
3.
Check the brake pedal return
spring for damage.
4.
...