Manufacturing / Industrial • Inspections

PCV Cleaning

Regular maintenance of the PCV system is essential to ensure proper operation. Over time, the PCV valve can become obstructed, or stuck in the open or closed position, affecting the proper flow of crankcase gases. This can result in increased oil consumption, rough idling, and increased emissions.

Hardware

01/10/2024

PCV Cleaning

Using two hands (or possibly aiding yourself with an appropriate hand tool), untighten the union that holds the PCV (pressure compensating valve) in place.

Remove the pressure compensating valve is free of debris or biofilm by lightly brushing both sides and subjecting it to a moderate pressure hose.

If debris cannot be removed or the device is visibly damaged, follow the PCV Replacement procedure.

PCV Replacement

Using two hands (or possibly aiding yourself with an appropriate hand tool), untighten the union that holds the PCV (pressure compensating valve) in place.

Dispose of the used PCV and install a new PCV in its place, in the same orientation as the removed one. After ensuring the union's male side still has the O-ring installed, tighten the union.

Source: Hardware (Community Member)