Q: How to service the thermostat housing on Lincoln Navigator?
A: Draining the engine cooling system must be the first step before servicing thermostat housing. If servicing the housing then the first step requires disconnecting the upper radiator hose from the thermostat housing. The service requires removing two bolts which keep both the thermostat and housing in place. You should discard the O-ring seal during this step. The product instructions should guide the technician through cleaning and preparing mating surfaces by using metal surface prep and silicone gasket remover. You should use new ultimate parts that include a thermostat with downward-facing spring and new O-ring seal during installation. Tighten the two thermostat housing bolts with your hands until they are even before your final tightening should be at 10 Nm (89 lb-in). The installation ends with performing the reverse actions of removal until complete.
Q: How to service the thermostat housing for the 3.5L engine on Lincoln MKZ?
A: The procedure to service the 3.5L engine thermostat housing starts with removing the thermostat. Separate the four coolant hoses from the thermostat housing before placing them aside. Secure the two thermostat housing bolts at 10 Nm (89 lb-inch) torque while installing the part. The other end of the coolant tube must not be pulled from the engine block while removing the thermostat housing because proper separation requires gentle movement to disconnect the thermostat housing from the tube. becerently separate the thermostat housing from the coolant tube. Remove its two bolts by tightening them to 10 Nm (89 lb-inch) when reinstalling. Throw away the old O-ring seals then lubricate freshly installed O-ring seals using clean engine coolant before reversing the removal steps.
Q: How to Address Issues with the Thermostat Housing on a Lincoln Continental?
A: A proper procedure for servicing the thermostat housing involves removing the water thermostat and the water hose connection and water bypass hose. Another step involves removing the water hose connection bolts while extracting the hose from the outlet. The installation procedure requires the opposite order of removal and bolt tension should be set between 20 - 30 Nm (15 - 22 ft. lbs.).