Positive Crankcase Ventilation Valve: Service and Repair

POSITIVE CRANKCASE VENTILATION (PCV) VALVE

4.0L SOHC Engine:

5.4L 4V Engine:

Removal and Installation
1. Disconnect the battery ground cable.
2. Disconnect the PCV valve tube-to-PCV valve quick connect coupling.
3. Disconnect the PCV valve electrical connector.

4. CAUTION: A new PCV valve must be installed if removed. Upon removal, the plastic retaining ears of the PCV valve are sheared.

Rotate the PCV valve counterclockwise to remove from the valve cover.
- Discard the PCV valve.

5. To install, reverse the removal procedure.
- Install a new PCV valve.