Re: Seized H engine

Posted by Thomas Windsor on April 06, 2006 at 20:38:43 from (152.163.100.65):

In Reply to: Seized H engine posted by L Collins on April 05, 2006 at 15:54:07:

You can soak these cylinders till the cows come home if it is really frozen up. Ths rust bond is stronger than any weld. If it is like this, you can bet your last cent that the rings are gone and that the walls of the cylinder are pitted. If you have not taken the head off and you can remove the plugs...my suggestions is, if after rocking the tractor it will not break loose, is to forget the tranny fluid and all the other conconcoctions that can be dreamed up and pour the holes full of muratic acid and put the plugs back in the holes and tighten. That acid will give off gasses and for the cylinders with the valves closed, it will build up pressure...leave it in there a day or two...then carefully get it out with a suction device other than your lips. Then again rock the tractor...if it does not then come lose, take the pan and head off...disconnect the rods from the crank...keep the caps in proper order to be put back on same rod...with a hard piece of 2x2 timber and a big hammer, jar the piston up from the bottom,putting the 2 x 2 on the cap end of the rod and not on the piston, then with short piece of 2 X 4 jar it down from the top...using a good size hammer. They will come out. Dont be too aggressive with the hammer. (I cannot remember whether these pistons come out the bottom or the top)

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