How Do You Change A Grand Marquis Thermostat?
Replacing the thermostat in your Mercury Grand Marquis is a procedure that should take no more than half an hour to repair. The thermostat on the Grand Marquis does serve a unique function as well. The climate control system in the car will not operate efficiently as the car can not regulate cabin heat without a proper thermostat controlling coolant temperature. The thermostat balances the engine heat to send hot air through your heater and cooling down your motor to keep it from overheating. Open the hood to locate the thermostat. The thermostat is situated at the motor end of the top radiator hose. Unscrew the radiator hose with a flat head screwdriver. The hose should slide off the thermostat housing assembly. Unbolt the cover of the housing assembly with a socket wrench. The cover should pop off once the two bolts are removed. Pull the old thermostat out with your fingers. The thermostat is situated in the housing. You will need to remember how it is sitting in the assembly. Scrape