Positive Crankcase Ventilation Valve: Service and Repair

Positive Crankcase Ventilation (PCV) Valve - 3.5L GTDI





NOTE: Early build engine with PCV heater element and electric heated PCV valve shown, late build engine without PCV heater element and standard PCV valve similar.











Removal and Installation

1. If equipped, disconnect the PCV valve electrical connector.

2. Disconnect the crankcase ventilation tube-to-PCV valve quick connect coupling. For additional information, refer to Fuel Delivery and Air Induction.

3. NOTICE: A new Positive Crankcase Ventilation (PCV) valve must be installed if removed from the valve cover. Damage will occur to the locking mechanism on the PCV valve.

NOTE: To install, apply clean engine oil to the O-ring seal.

Rotate the PCV valve counterclockwise and remove from the crankcase vent oil separator.

- Discard the PCV valve.

4. NOTE: Upon installation, make sure the PCV valve electrical connector is pointing in the correct position to allow the wiring harness to be connected. Incorrect installation would require removal and installation of a new valve.

To install, reverse the removal procedure.

- Install a new PCV valve.