Positive Crankcase Ventilation (PCV) Valve - Removal
5.7L
The PCV valve (1) is located at the top right rear of the intake manifold.
1. The PCV valve is sealed to the intake manifold with two O-rings (2).
2. Remove the PCV valve by rotating counter-clockwise 90 degrees until the locating tabs (3) have been released.
3. Pull the PCV valve straight up and remove from the intake manifold.
4. Check the condition of the two PCV valve O-rings (2), replace if necessary.