If the thermostat is broken in the closed position the engine would overheat rapidly. If it was broken in the open position the engine cooling system would not reach normal operating temperature and the heater would produce only warm air. Take the thermostat out and put it in a pan of water on the stove. When the water gets to around 200 deg F, the thermostat should open. If it doesn't it needs replaced. Observe carefully that you have not installed the thermostat upsidedown.
yes. but there are several other things that can cause it to overheat. not enough coolant, bad belt, radiator blocked, bad thermostat,bad water pump to name a few.
check the fan or the water pump belt it may be broken if not the thermostat may be stuck you may need to replace it
could be fans not working, thermostat, blown head gasket, broken or leaking coolant lines, bad heater core
If the coolant is brown, it has broken down and needs replaced. You could also have a failed thermostat, plugged radiator, inoperative fans,...........
Before replacing the thermostat, it is worth checking to see if the blend door is broken or the blend door actuator is failing. The most common issue relating to thermostat and climate control in Ford Windstar vans is the blend door. CHECK TO SEE IF IT IS BROKEN BEFORE REPLACING OTHER COMPONENTS (i.e. Thermostat, heater core, etc.). The Blend Door actuator on the Ford Windstar can be found by removing the glovebox. A broken blend door actuator is almost as common as a broken blend door itself. Typically, the fix requires disassembling the entire dash and replacing the whole plenum box, which can be a costly repair. Linked here is a video from www.heatertreater.net demonstrating how to access components of the plenum box for repair without disassembling the entire dash.
Probably it has either run out of coolant or the cooling fan is broken. Some large engine cars in really hot weather need a larger radiator fitted so it doesnt overheat....like driving a v8 around town in the summer in Spain for instance.
yes
Your water pump might be broken or your thermostat might need to be replaced. You obviously don't have a leak so somehow the fluid isn't moving through the engine. If the thermostat is broken it will not let fluid into the engine and then the engine will overheat and the radiator will release smoke.
That depends. If the thermostat is stuck shut. the engine will overheat and damage can occur. If it is stuck open you can drive for a while without hurting anything, however. you may not get any heat and driveability problems may crop up because of misreadings of coolant temp sensor.
Before replacing the thermostat, be sure to check your blend door for functionality. The most common issue with heat or A/C in the late model Ford windstar is a broken blend door. A broken blend door actuator is almost as common as a broken blend door itself. Typically, the fix requires disassembling the entire dash and replacing the whole plenum box, which can be a costly repair. demonstrating how to access components of the plenum box for repair without disassembling the entire dash.
To open a door on a 1998 Avenger that has a broken handle, a person might have to use another door to gain entry to the vehicle. Then the door can be opened from the inside.