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Lincoln Navigator: Engine Emission Control - 3.5L EcoBoost (272kW/370PS) / Positive Crankcase Ventilation (PCV) Valve. Removal and Installation

Lincoln Navigator 2018-2025 Workshop Manual / Engine / Engine Emission Control - 3.5L EcoBoost (272kW/370PS) / Positive Crankcase Ventilation (PCV) Valve. Removal and Installation

Removal

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

  1. Remove the engine appearance cover retainers, release the engine appearance cover from the rear retainers and then remove the engine appearance cover.
  1. Refer to: Crankcase Ventilation Tube (303-08 Engine Emission Control - 3.5L EcoBoost (272kW/370PS), Removal and Installation).
  1. 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.

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    Diagnostic Methods. Description and Operation

    This document provides critical diagnostic knowledge required for successful repair outcomes. It identifies technical competencies expected by users of this manual.

    Ford Diagnostic Assumptions

    Ford diagnostics assume the vehicle concern described by the test title is currently present. Exceptions to this rule are noted in each test. Do not replace modules or other components as directed by a diagnostic if the concern is not present at the time of testing.

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