Grand Cherokee 4WD V8-5.7L VIN 2 (2007)
Positive Crankcase Ventilation Valve: Description and Operation
Description
5.7L
The 5.7L V-8 engine is equipped with a closed crankcase ventilation system and a Positive Crankcase Ventilation (PCV) valve.
A PCV valve (4) mounted into the top of the intake manifold (1), located to the right / rear of the throttle body (2) is used.
The PCV valve (1) is sealed to the intake manifold with two O-rings (2).
The system also consists of passages in the intake manifold, and various tubes and hoses to connect the system components.