Removal and Installation
WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the thermostat. For additional information, refer to THERMOSTAT - 3.5L in this service information.
- Disconnect the 4 coolant hoses from the thermostat housing and position them aside.
- Remove the 2 thermostat housing bolts.
- To install, tighten to 10 Nm (89 lb-in).
- Separate the thermostat housing from the coolant tube and remove the thermostat housing.
- Remove and discard the O-ring seals.
- To install, reverse the removal procedure.
NOTE:
Do not pull the other end of the coolant tube out of the engine block when separating the thermostat housing.
NOTE:
Genuine Mazda® Extended Life Coolant and Motorcraft® Specialty Green Engine Coolant are very sensitive to light. Do NOT allow these products to be exposed to ANY LIGHT for more than a day or two. Extended light exposure causes these products to degrade.
- Lubricate the new O-ring seals with clean engine coolant.