Anti Freeze Smell on 2004 Cadillac DeVille

I have a 2004 Deville, when i pull in my garage and turn car off i smell anti frezze. I check levels OK (had to add some about 2 weeks ago) hoses OK.. no visible sign of leaking. Temp gauge only goes 1/2 way. not sure if the fan is kicking in due to extremely cold weather.

by in Greystone Park, NJ on February 08, 2010
3 answers 2 comments
ANSWER by on February 08, 2010
Are you smelling coolant inside or outside the vehicle?
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COMMENT by on February 08, 2010
I was outside of the car when i could smell it, , but my wife could smell it in the car
COMMENT by on February 09, 2010
It's common for a leaking heater core to have a strong coolant smell, but primarily inside the car. I would get the cooling system inspected by a mechanic that is experienced with Cadillac, they will know exactly where the common leaks occur and should be able to find the leak.
ANSWER by on March 06, 2010
I just had a similar problem with my 2004 DeVille and it turned out that the coolant overflow reservoir had a slight crack in it that was difficult to see, but turned out to be the cause of the leak. You might want to check that.
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ANSWER by on March 08, 2010
I took the car to my mechanic and after investigation they told me it was the gaskets to the water pump housing, this was creating a small leak. After $600.00 they replaced the gaskets, the car is now working fine.
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smell of anti-freeze in passenger side. mist on driver side of windshield when heater is on,also gets alittle better when heat temp turned down to 60 degrees