Kia Optima: Underdrive Brake Control Solenoid Valve(UD/B_VFS). Description and OperationDescription
Underdrive brake control solenoid valve(UD/B_VFS) is attached to the valve body. This variable force solenoid valve directly controls the hydraulic pressure inside the underdrive brake.

Removal
Underdrive Brake Control Solenoid Valve(UD/B_VFS). SpecificationsIntake Actuator. Components and Components Location
Component Location
...
General Safety Information and Caution
Precautions
General Precautions
Please read the following precautions carefully before performing the airbag system
service.
Observe the instructions described in this manual, or the ...
Tire Size Designation
A tire’s sidewall is marked with a tire size designation. You will need this
information when selecting replacement tires for your car. The following explains
what the letters and numbers in the ...