1997 expedition cooling problem

1997 ford expedition 4.6L . what can be the problem with a cooling system that runs normal - then all of a sudden - the temperature guage goes immedially to hot. check engine light goes on - oil light goes on - engine
start running very bad (rough). immedially shutting it off and let it sit for about 3-4 minutes - restarting it every thing goes back normal . the coolant recovery tank loose about a quart of coolant. strange also, no heat is coming out heat vents.changed thermostat and flush system - it still does it. could it be water pump ? or other problem. any suggestions....
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help - me with 97 expedition cooling problem please . as posted earlier my coolant keep over flowing from the degas tank when temperature reaches hot.changed thermostat and bottle cap.how can i be sure if water pump is needed. i really appreciated all help i can get on this . thanks
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Nobody likes to bear bad news. Time to get the the engine checked for head gasket problems.
Bill
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i changed thermostat 2x's just in case i brought bad one (test out okay). i've taken the water pump off -inspected it ( no leaks at weep hole;no noise;feels tight as to no excessive play;) i reinstall water pump - hoping for no leaks!! why should i suspect head gaskets- no steaming from tail pipe;no water in oil;no oil in radiator;vehicle runs with no missing or skipping when temperature is normal - runs terrible only when over heating. how about clutch fan - ????
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