Re: Reusing head gasket

Posted by andy r on March 24, 2022 at 18:57:35 from (208.126.193.44):

In Reply to: Reusing head gasket posted by 37 chief on March 24, 2022 at 16:14:22:

I have reused a head gasket on a John Deere 620. The tractor had swallowed a choke butterfly screw. That little screw made a terrible noise. Sounded like a rod or main bearing had given out. Dug the screw out of the aluminum piston and put it back together. Now a couple things. First, I had heard of reusing head gaskets. Second, the head gasket was in like new shape. I believe it was metal on both sides. I had installed it in this tractor about 10 years before. I cleaned it up with a scotch pad. Thirdly, if it didn't work it would only take me a couple hours to replace it. Plus, the tractor is only used around the farmstead. I probably wouldn't consider reusing a head gasket on a higher compression engine and certainly not a diesel. I did spray a couple coats of Copper Coat gasket sealer on the gasket allowing it to dry some between and after the last coat. Worked fine and it didn't even have the occasional John Deere 2 cylinder antifreeze leak across the top of the head/block!

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