Question about 1994 Cadillac DeVille

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Broken drain valve on radiator of 1994 Cadillac Sedan DeVille

The plastic drain valve on the radiator broke off and leaks. The only way to get to it is remove the radiator right? It is plastic and can I replace it with a brass one?

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Most of the times when these valves break they are pretty easy to get out by simply turn it with a FLAT screw driver that skinny enough to fit inside that hole. However if this is DOES NOT work a cheaper alternative is to get some JB weld or EPOXY and seal that hole shut completely there is on specifically for radiator that can with stand pressure and heat. It comes ina stick for that you have to kneed together available at AUTO ZONE. Knead together and it become warm to the touch its like play dough in texture but it dries rock hard and can be sanded even painted after it dries. To apply make sure surface is clean and dry it will dry in 15 minutes(ROCK HARD) good product. Don't worry if you sealed the drain plug up you can still drain your radiator in the future but releasing the lower radiator hose. Good luck and thanks for using FIX YA

Posted on Feb 01, 2009

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