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Home >> Mercury >> 2008 >> Milan Base, 2.3 Z, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1384 (Engine Cooling System) >> Removal And Installation >> Thermostat Housing - 3.5L >> Removal And Installation

Removal And Installation

WARNING: This page is about a different car, the 2009 Mercury Milan, 2009 Lincoln MKZ, and 2009 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the thermostat. For additional information, refer to THERMOSTAT - 3.5L .
  2. Disconnect the 4 coolant hoses from the thermostat housing and position them aside.
  3. Remove the 2 thermostat housing bolts.
    • To install, tighten to 10 Nm (89 lb-in).
    4. NOTE: Do not pull the other end of the coolant tube out of the engine block when separating the thermostat housing.
  4. Separate the thermostat housing from the coolant tube and remove the thermostat housing.
    • Remove and discard the O-ring seals.
  5. To install, reverse the removal procedure.
    • Lubricate the new O-ring seals with clean engine coolant.
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