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Stuck Pistons

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Jay Glover

04-24-1999 07:52:51




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Just purchased a WD45 motor and the pistons are stuck in the sleeves, due to corosion in the sleeves, the block is in excelent shape so I would like to be able to restore it. I tried soaking them in automatic transmission fluid and then pounding them out. still no use, are there any suggestions? Thanks in advance.

Jay




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Don K.

04-24-1999 17:21:52




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 Re: Stuck Pistons in reply to Jay Glover, 04-24-1999 07:52:51  
I've always had good luck with a 50/50 mix of Marvel Mystery Oil and Kroil.
Don



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Rob

04-24-1999 10:31:07




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 Re: Stuck Pistons in reply to Jay Glover, 04-24-1999 07:52:51  
Try using a product called P.B. BLASTER. It is in an aerosol can, available at your local auto parts store. Spray it about an inch deep on top of all the pistons, then wait a few days and try beating them out. I also have heard of brake fluid having excellent results. But the most critical thing to the process of unsticking pistons (in my opinion) is time. Don't get impatient, it may take months, it may take

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Don K.

04-24-1999 10:15:45




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 Re: Stuck Pistons in reply to Jay Glover, 04-24-1999 07:52:51  
I have used a mixture of Marvel Mystery Oil and Kroil in the past with pretty good luck. Hope i have helped.
Don



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Roy

05-04-1999 19:02:56




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 Re: Re: Stuck Pistons in reply to Don K., 04-24-1999 10:15:45  
Any of the mixtures the other people mentioned will work great, but there is one more trick I have used. That is if you have the oil pan off, put a jack under one of lobes on the crankshaft and jack the tractor up off the ground a little bit and let it sit there. That way as the the oil you put in the cylinders starts to work the weight of the tractor will start to slowly move the pistons, and you will be able to tell if it's working.

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