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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2349 (Engine Cooling System (Except Hybrid)) >> Removal And Installation >> Thermostat Housing - 3.5L >> Removal and Installation

Removal and Installation

WARNING: This page is about a different car, the 2010 Mercury Milan, 2010 Lincoln MKZ, and 2010 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 Removal and Installation .
  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. Separate the thermostat housing from the coolant tube and remove the thermostat housing.
    • Remove and discard the O-ring seals.
    NOTE: Do not pull the other end of the coolant tube out of the engine block when separating the thermostat housing.
  5. To install, reverse the removal procedure.
    • Lubricate the new O-ring seals with clean engine coolant.
    NOTE: Early build vehicle (built before July 6, 2009) cooling systems are filled with Motorcraft® Premium Gold Engine Coolant. Late build vehicle (built on or after July 6, 2009) cooling systems are filled with Motorcraft® Specialty Green Engine Coolant. Mixing coolant types degrades the corrosion protection of the coolant. Do not mix coolant types. Failure to follow these instructions may result in engine or cooling system damage.
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