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Home >> Mercury >> 2010 >> Milan Base, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (Engine Emission Control System - 3.0L (4V)) >> Removal And Installation >> Positive Crankcase Ventilation (PCV) Valve >> Removal and Installation

Removal and Installation

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  1. Release the clamp and disconnect the crankcase ventilation tube from the PCV valve.
  2. Rotate counterclockwise and remove the PCV valve from the valve cover.
    NOTE: 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.
    • Discard the PCV valve.
  3. To install, reverse the removal procedure.
    • Install a new PCV valve.
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