Diesel Data: Automotive Repair

Positive Crankcase Ventilation (PCV) Valve - Installation






5.7L





1. Check the condition of the two PCV valve O-rings (2), replace if necessary.
2. Clean the PCV valve mounting surface of the intake manifold opening.
3. Apply engine oil to the two O-rings (2) on the PCV valve.





4. Position the PCV valve (1) into intake manifold and rotate 90 degrees clockwise until the locating tabs are locked in place.