Heat Exchanger

Patrick McAneny

I have had my heat exchanger off several times over the years ,and reinstalled it as the previous owner had and not questioned it ,until now. I have had an overheating issue for years and am resolved to solve it . The previous owner applied silicone on the end caps to seal them. Is this normally done? When I just removed the H/E I found that as I pushed the cap on the last time ,the silicone was pushed back and covered better than 50% of one of the four holes and about 25%of another. Which brings me to another question. Is the antifreeze forced through the holes or does it just come into contact with the tubes as it moves along with the flow,I assume the later.



SM Shenanigans #123

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