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I have a 1995 Windstar. The heat is not working under normal driving conditions. I have checked the fluid level and replaced the thermostat. The water pump was replaced one year ago. The temp gage goes all the way to the high side of normal and the heat blows cold air. If i put the car in park and run the RPM's up to 2200 the temp goes down and I get some hot air for a few minutes before the cycle repeats. Have also noticed on occasion that the upper radiator hose will flatten out when I am running the high RPM. I have also replaced the radiator cap. Any ideas?
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First check coolant level and strength. If good condition most likely stuck open thermostat, just follow the upper rad hose to the engine. Remove the throttle cable bracket to access the 2 bolts holding the thermostat housing to top of engine. Make sure engine is cold before removing, you will loss a little coolant when replacing. Other causes could be plugged heater core, with engine running at operating temperature on gage. Follow the 2 heater hoses the the right side firewall (where they go thru into cab) one should be hot and the other warm (if the outlet is cold, heater core is plugged). The waterpump and cooling fan are direct drive off the engine and not usually an issue on this vehicle.
Firstly check the coolant level when the engine is cool. If fluid is at correct level then more then likely thermostat is stuck open. Have coolant system flushed before installing new thermostat. Also check water pump to make sure it is not leaking out of the weep hole.
I had this problem and noticed a faint clunking sound behind the radio. It was the blend door motor that needed to be replaced. The motor has small fine tooth plastic gears that wear out and won't open to allow heat.
First check the coolant level. Next the thermostat Finally if the engine temperature is nominal, you probably have a clogged heater core, which can be a ***** to replace because it's under the center console.
First thing is to check the fluid level in the transmission, most vehicles have to be running at engine operating temp either in P or N, check your owners manual. Assuming your fluid is where it should be, that vehicle you have sorry to tell you are notorious for transmission failures, by what you described looks like your going to have to replace the trany or rebuild it, either way its not a cheap fix. My advise if the van is in really good condition put a used trany in it and trade it in for something else. You can look anywhere online about customer/ owner feed backs on 88-98 windstar vans and how bad the transmissions are on those Ford didn't get smart till 99 or 00 when they redisgned the drive train. If you keep driving it the way it is the trany will completely fail leaving you on the side of the road somewhere.
first of all check to make sure you put back the correct amount of fluid and then do this start the car up and put antifreeze in it and let it run till it gets to temp you may have an air bubble in the system then put the cap back on right away check the condition of the drive belt
i would check to see if the stat is working right, do you have rear heat on this vech? . if you do you may have a air pocket, the windstars have a metal tube coning from the water pump that gose to the heater core lines for the rear heat and they like to fail. they get a pin hole leak that hard to find, the water pump also likes to fail also, not moving a enough fluid under load the ends of the inmpler wear down
Let your engine warm up with the rad. cap off and see if the coolant level drops. and make sure your overflow is full. It blows cold air because there is no water getting to the heater core. And it shows a normal(ish) temp because the water needs to be touching the temp. sensor. I really do think there is air in the system and there is not enough coolant but hard to tell from here. Also as with overheating any time make sure to check your oil and look for any coolant as the head gasket seldomly holds together if the motor overheats.
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