5.7L Engine
The PCV valve (4) is mounted into the top of the intake manifold (1). This is located to the right / rear of the throttle body (2).
- The PCV valve is sealed to the intake manifold with 2 O-rings (2).
- Remove PCV valve by rotating counter-clockwise 90 degrees until locating tabs (3) have been freed. After tabs have cleared, pull valve straight up from intake manifold.
- After valve is removed, check condition of 2 valve O-rings (2).