PCV Valve: Description: 3.7L

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:

• A PCV valve mounted to the oil filler housing. The PCV valve is sealed to the oil filler housing with an o-ring.
  Fig 1: Identifying PCV Valve - 3.7L

  Courtesy of DAIMLERCHRYSLER CORP.
• the air cleaner housing
• two interconnected breathers threaded into the rear of each cylinder head.
  Fig 2: Locating Crankcase Breathers (2) - 3.7L

  Courtesy of DAIMLERCHRYSLER CORP.
• tubes and hoses to connect the system components.