Re: IH 400 stuck engine

Posted by Don Wadge on January 23, 2001 at 20:46:36 from (216.81.26.205):

In Reply to: IH 400 stuck engine posted by van on January 22, 2001 at 10:17:26:

I have had some luck on more than one occasion where the tractor was equipped with a block heater by putting about a cup of WD40 in each cylinder and plugging the tractor in for a couple of days, then unplug it for a couple of days and again plug it in for two days and keep repeating. The expansion and contraction of the cylinder on the rings and piston will help break the rust seal on the rings and let the WD40 do its job. I actually put two block heaters in a 500 Case that I succesfully loosened in this manner. I loosened a 10-20 McCormick by putting WD40 in each cylinder and pouring several pails of near boiling hot water through the engine and did the same thing the next day and towed the tractor forward and backward right after putting the hot water through the second time and "voila". You need to be able to turn the engine in both directions when initially breaking loose and I have heard some say it is easier to loosen an engine initially by turning in the opposite direction. I've not had much luck using diesel fuel. You should make sure your valves are all free before trying to turn over.

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