Valve Replacement. If you do find it’s time to swap out a valve, you begin with the air system maintenance basics, chocking the wheels so the vehicle doesn’t roll, and draining the air system ...

Cleaning the Idle Air Control Valve. Locate the idle air control valve. It is usually found on the intake manifold and attached to the throttle body. Before beginning the process, make sure the ...

Since the engine sees its PCV valve as a controlled air leak, ... To begin that process, we removed the small set screw from the valve housing and installed the supplied brass vacuum nipple.

Cleaning the idle air control valve (IACV) on your vehicle periodically helps keep carbon and other particles from building up on the valve, which can negatively affect the operation of the car ...