Ford Windstar
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Dodge Shadow

What could be the problem if after changing the thermostat in a 1993 Dodge Shadow 2.2 the temp gauge runs hot only a few minutes after starting and when slowing or stopped?

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2008-06-30 18:01:49
2008-06-30 18:01:49

I have a 1993 Dodge Spirit which is one size bigger than your car. I have the exact same problem! However, I have a different answer. It might be your head gasket. This can be a $1000 job. I can have a crack in the head or a blown gasket. But to know this, one symptom is white oil. Check your oil and see if it smells like gas or something odd. And check if it is white. If it is that means there is antifreeze in your oil which means you have a leak in your head gasket. In my car, there is no anti freeze in the oil. I did change my thermostat a couple of months ago though to try and fix this. But nothing happened. I feel the thermostat was put in upside down or in the wrong order. So I am going to try and replace it again. The thermostat might also be closed shut. I HAVE A 91 PLYMOUTH SUNDANCE 2.2 (SAME TYPE CAR) WITH THE VERY SAME PROBLEM (S).REPLACED THERMOSTAT..RADIATOR..AND WATER PUMP..FLUSHED EVERYTHING(WHICH HELPED A LITTLE) BUT STILL GAUGE SEEMS TO MOVE FROM COLD TO HOT. HAVENT FIXED PROBLEM...BUT WHAT HELPED WAS TO DRILL SMALL HOLE (1/8 ") IN THE TOP RING OF THE THERMOSTAT..THIS SEEMED TO HELP RELEAVE BLOCKED AIR IN THE LINE...AND MOVE THE GAUGE TEMP FROM HOT TO 3/4.....IF YOU DO USE THIS METHOD MAKE SURE THE HOLE IS LOCATED ON THE TOP WHEN THE THERMOSTAT IS RE-INSTALLED(IF IT IS AT THE BOTTOM IT DEFEATS THE PURPOSE) ......THIS MIGHT BE A TEMP FIX FOR YOU NOW... HOPEFULLY IT HELPS (IAM STILL WORKING ON A PERM FIX FOR MINE) You have air in the cooling system.

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The actual removal of the thermostat will not cause this condition but if you possibly disconnected a vacuum hose white changing the thermostat, WOULD cause that problem. Check all of the vacuum hoses to make sure they are connected and tight.


i had the same problem and it turned out to be my immobilizer had stopped the car from starting


If this happened immediately after changing the thermostat, then the most likely problem is the thermostat was installed backwards.The spring side of the thermostat faces the engine. It's the spring that is reacting to the coolant temperature and driving the valve to open/close.When the thermostat cannot open, that prevents any coolant from ever getting to the heater core. Thus, you shiver a lot!Pop it out, flip it over and you should be all sorts of warm and cozy.See "Related Questions" below for more


If this happened immediately after changing the thermostat, then the most likely problem is the thermostat was installed backwards.The spring side of the thermostat faces the engine. It's the spring that is reacting to the coolant temperature and driving the valve to open/close.When the thermostat cannot open, that prevents any coolant from ever getting to the heater core. Thus, you shiver a lot!Pop it out, flip it over and you should be all sorts of warm and cozy.


Either the thermostat was not the problem, or you put it in backwards.


I would start with checking your thermostat and thermostat housing. See if its regulating. If it is not replace the thermostat.


check to see if your car has an air charge sensor which helps the computer calculate the fuel adjustment on startup when the engine is cold. Changing this sensor stopped the problem in my mercury sable.


i have the same problem. I took thermostat housing off the block, but cant get out thermostat. Any idea ?


I just had that problem with my 1998 olds, it is either the thermostat, the water pump, or your fans are not working to cool down the engine. narrow it down by starting with the thermostat, then check to see if your cooling fan fuse is not burned out, then go to autozone and they will check your water pump for free. I just had that problem with my 1998 olds, it is either the thermostat, the water pump, or your fans are not working to cool down the engine. narrow it down by starting with the thermostat, then check to see if your cooling fan fuse is not burned out, then go to autozone and they will check your water pump for free.



ask your service station to do a compression test. I had the same problem and replaced all sensors and thermostat but after the test it was found out that there was a crack in the housing holding the thermostat



Broken thermostat. Common Chrysler problem. Replace the thermostat.


A faulty thermostat in a 2001 BMW 325CI can cause a coolant leak. The coolant may be leaking out a crack in the thermostat or through a warped edge. In some cases the problem may be just a bad gasket and not actually a problem with the thermostat at all.


If you are asking about a Honeywell T87 home thermostat with a Q539A sub-base this might help. With the stat. in cooling mode. the temp. in house will get to warm before A/C kicks on & it will get to cool in house before it turns off. If this is the problem the sub-base is bad. There is many more problems that can be caused by this stat. But this one is overlooked by many repairman. Changing Q539A will fix problem.


Could be a problem with the engine cooling fan , water pump , restricted radiator , any body else have any ideas ?


Try loosening the fuel cap and starting it. You'll probably get a check engine light, but if the problem stops, it's a fuel tank venting problem. Look to the carbon canister under the hood, and the lines associated with that. Could also be a clogged fuel filter. Try changing it as well. Marker


Take your thermostat out and put everything back together, run your car without a thermostat... If your car no longer overheats, replace your thermostat.


You could have a problem with your thermostat in the car.


it is not a thermostat problem is an actuator located under the dash that lets the water pass through the heater core, all these cars got the same problem dude good luck... Possible the thermostat installed upside down. Spring goes toward engine. Also may be air in the system. Bleed the cooling system with the heater set to hot. The heater core may also be stopped up.


There could be several reasons, including the radiator being plugged up, the thermostat being stuck, and the water pump not working. Drain the coolant, and check for signs of rust or corrosion in the coolant. Remove the thermostat, replace the coolant, and run the engine. If the problem persists, take it to garage. Troubleshooting by changing out parts will be too expensive. check and change thermostat if done this problem is either head gasket or cracked head


I am having the same problem with my intrigue, it might be 2 things: the crank sensor is bad and needs changing, or the ignition module needs changing. im not %100 that this is the problem but I am currently trying to get mine fixed and that's what I have been told it might be.


Hey, i had similar problem - not starting when wet or cold. Would turn over, but no go. Ended up changing distributor cap and rotor and first try she fired right up and no problem since. Keep spare cap and rotor handy now!!!!!!


Could it be a thermostat stuck in the open position? It is the only thing I can think of, if not, then a faulty sending unit or guage.



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