How To Change A Head Gasket

Time saving tips to keep your Cub running smooth

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How To Change A Head Gasket

Postby Thackery » Sat Jun 05, 2010 7:25 pm

This is good stuff, spray several coates to each side.
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Make sure that you put the gasket the correct side up.
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After several head change attempts I have realized that it is best to leave the air cleaner and waterneck in place and remove the head with it on.
This is also a good time to put a new gasket on the waterneck, clean out the air cleaner, and replace the upper radiator hose.
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Whether you are swapping heads or not I would leave the bolts in the head after loosening, then you don't have to worry about having the wrong length bolts in the wrong holes.
I took each bolt out wire brushed and copper coated then put it back into its respective hole.

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Make sure to clean up any old gasket and sealent from the head and the block.
Use a torque wrench to progressively come up to the 45#'s
Make sure to cross pattern while tightening so that the force is spread as evenly as possible.

On this job I replace the cracked head with another used head that had been magna-fluxed and 'decked' or milled.

So far so good.
Take your time, have good tools, light and help and it will not be a difficult job.

Thackery Doug
1953 Cub, Sickle Mower, 42" Mower, Cultivators, 189 Double Plow, 54 Blade, Grader Blade
1968 Lo-Boy w/1000 Loader, 1957 Lo-Boy w/FH, FH Disc, FH Potato Plow.
Thackery
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