Question about 2005 Mercury Grand Marquis
For the purpose of draining the coolant, where are the drain points on a 2005 Mercury Grand Marquis? Assume there could be three? Radiator and each cylinder bank? But really don't know.
There is only one drain point. Drain the coolant from the system at the radiator. This will remove coolant from the engine. Be sure and have the heater set to hot. Flush the system with a water hose. Fill the system with a 50/50 mix of antifreeze and distilled water. Do not use tap water. Start the engine with the radiator cap off and keep adding coolant until it will take no more and you see no more air bubbles escaping from the radiator. If there are schrader bleed valves on the engine cooling system use them to remove any more trapped air. Put the cap on and start the engine and let it run for 15 minutes while you check for leaks. I would replace the thermostat at this time as it is just good preventive maintenance.
Posted on Oct 02, 2009
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Posted on Jan 02, 2017
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