Lincoln Aviator: Engine Emission Control - 3.0L EcoBoost / Removal and Installation - Positive Crankcase Ventilation (PCV) Valve

Removal

NOTE: Removal steps in this procedure may contain installation details.

1. Disconnect the PCV valve quick release coupling.
   Refer to: Quick Release Coupling (310-00A Fuel System - General Information - 3.0L EcoBoost, General Procedures).
   

1. NOTICE: A new PCV valve must be installed if removed from the valve cover. Damage will occur to the locking mechanism on the PCV valve.

   Rotate the PCV valve counterclockwise, then remove and discard the PCV valve.
   

Installation

1. Lubricate the new PCV valve O-ring seal with clean engine oil.
   

1. To install, reverse the removal procedure.