Liberty Limited Edition 2WD V6-3.7L VIN K (2002)
Positive Crankcase Ventilation Valve: Description and Operation
The 3.7L V-6 engine is equipped with a closed crankcase ventilation system and a Positive Crankcase Ventilation (PCV) valve.
This system consists of:
Fig.7 PCV Valve - 3.7L
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A PCV valve mounted to the oil filler housing. The PCV valve is sealed to the oil filler housing with an O-ring.
the air cleaner housing
Fig.8 Crankcase Breathers(2) - 3.7L
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Two interconnected breathers threaded into the rear of each cylinder head.