Why does my 2003 ford taurus water resiviour boil


Asked by Jul 17, 2014 at 10:09 PM about the 2003 Ford Taurus SES

Question type: Maintenance & Repair

Themostat broken open all the way

17 Answers

You car is over heating. Why I am not sure. Could be a blown head gasket. Napa sales a block tester that you can do on the antifreeze. I would have the system pressure tested and see what you can find that way

1 of 1 people found this helpful.

Try changing the radiator cap first.


It is not over heating thats the thing.. we changed the thermostat.. resiviour still over spills through the top

2 of 2 people found this helpful.

Change the radiator cap. Get a good brand name one and not a cheap POS replacement be sure it's the correct one. I'll bet that's the problem. Been there done that.

1 of 1 people found this helpful.

Radiator cap was changed as well.. no water in the oil so I don't kno if it is. Broken HG


By chance do you have the 3.8 V6 engine? I don't remember if it was still available in 2003


No I have a 3.0 v6 engine


The 3.0 V 6 is bullet proof. So I doubt it's a head gasket. Let me think about this.




Try this. To test if the head gasket is bad. When the engine is cold, remove the radiator cap and start the engine. Look down the radiator and see if there's "BUBBLING" If there is that's a sign that the head gasket is blown. If not, then I just can't help but think its the radiator cap.


Tried that no bubbling.. but still overflowing.


Could it be the thermostat sensor

try burping it might have air in it

My Taurus is doing the same thing????

Mind is same but differnt motor in it. It does not fit in motor it fits in casing.

Husband saig it was 24 soming

He has change everthing he can

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