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Old 05-29-2018, 10:15 PM   #4
Jim/GA
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Join Date: May 2010
Location: Young Harris, GA
Posts: 1,833
Default Re: radiator hose sealant

If you want to seal it now but be able to take the hose off in the future without having to cut or destroy the hose, use a light coating of Hylomar AF inside the hose. The original Hylomar was called Hylomar Blue, but I prefer the later, improved formulation Hylomar AF.

This stuff is amazing.
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