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Thermostat Housing - 3.7L: Removal

WARNING: This page is about a different car, the 2014 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the cooling system For additional information, refer to COOLING SYSTEM DRAINING, FILLING AND BLEEDING .
  2. Remove the air cleaner outlet pipe. For additional information, refer to INTAKE AIR DISTRIBUTION AND FILTERING .
  3. NOTE: Cover the accessory drive belts to prevent coolant contamination of the belts.

    Completely cover the accessory drive belts with waterproof plastic.

  4. Release the clamp and disconnect the thermostat housing-to-degas bottle from the thermostat housing.
  5. Release the clamp and disconnect the lower radiator hose from the thermostat housing.
  6. Release the clamp and disconnect the coolant return hose from the thermostat housing.
  7. Release the clamp and disconnect the upper radiator hose from the thermostat housing.
  8. Remove the 4 bolts and the thermostat housing.
    • Remove and discard the 2 O-ring seals.