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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 27 (Emission Control System - 2.5L - (Hybrid)) >> Removal And Installation >> Exhaust Gas Recirculation (EGR) Valve >> Removal and Installation

Removal and Installation

WARNING: This page is about a different variant/trim than selected.
  1. Drain the cooling system. For additional information, refer to ENGINE COOLING - HYBRID .
  2. Remove the Air Cleaner (ACL) outlet pipe. For additional information, refer to INTAKE AIR DISTRIBUTION & FILTERING - HYBRID .
  3. Release the clamp and remove the upper radiator hose from the coolant outlet.
  4. Release the clamp and remove the coolant bypass hose from the coolant outlet.
  5. Release the clamp and remove the heater hose from the coolant outlet.
  6. Remove the 4 bolts and the coolant outlet and gasket.
    • To install, tighten to 10 Nm (89 lb-in).
  7. Disconnect the EGR valve electrical connector.
  8. Release the clamp and remove the coolant hose from the EGR valve.
  9. Remove the 2 bolts and the EGR valve.
    • To install, tighten to 20 Nm (177 lb-in).
    10. NOTE: Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These tools cause scratches and gouges that make leak paths. Use a plastic scraping tool to remove all traces of the exhaust gas recirculation (EGR) valve gasket.
    NOTE: If there is no residual gasket material present, metal surface prep can be used to clean and prepare the surfaces
    NOTE: Do not reuse the EGR valve gasket.
  10. Remove and discard the EGR valve gasket.
    • Clean and inspect the EGR gasket mating surfaces.
    11. NOTE: Install a new EGR valve and coolant outlet gaskets.
  11. To install, reverse the removal procedure.
  12. Fill and bleed the cooling system. For additional information, refer to ENGINE COOLING - HYBRID .
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