PCV Valve: Description: 3.7L

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

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. See Fig 1. The PCV valve is sealed to the oil filler housing with an o-ring.
the air cleaner housing
two interconnected breathers threaded into the rear of each cylinder head. See Fig 2.
tubes and hoses to connect the system components.

Fig 1: PCV VALVE - 3.7L /4.7L V-8

Courtesy of DAIMLERCHRYSLER CORP.

1 - O-RING

2 - LOCATING TABS

3 - CAM LOCK

4 - OIL FILLER TUBE

5 - PCV LINE/HOSE

6 - PCV VALVE

Fig 2: CRANKCASE BREATHERS (2) - 3.7L V-6 / 4.7L V-8

Courtesy of DAIMLERCHRYSLER CORP.

1 - CRANKCASE BREATHERS (2)

2 - REAR OF ENGINE