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.
- Drain the cooling system. For additional information, refer to COOLING SYSTEM DRAINING, FILLING AND BLEEDING in this service information.
- Remove the air cleaner and outlet pipe. For additional information, refer to INTAKE AIR DISTRIBUTION & FILTERING - 3.5L -- FUSION & MKZ article.
- Disconnect the lower radiator hose from the thermostat housing cover and position it aside.
- Remove the 2 bolts, thermostat housing cover, O-ring seal and thermostat.
- Clean and inspect the O-ring seal. Install a new seal if necessary.
- To install, tighten to 10 Nm (89 lb-in).
- To install, reverse the removal procedure.
- Fill and bleed the cooling system. For additional information, refer to COOLING SYSTEM DRAINING, FILLING AND BLEEDING in this service information.
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.
NOTE:
Lubricate the thermostat O-ring seal with clean engine coolant.