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Ideas for water pipe removal in block.

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GARY

11-28-2002 20:19:39




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Need some ideas on removing a rusted out water pipe that threads into the block. Looks as if it would take a miracle to remove it. Rusted real good and will not turn out.Looking for answers!!!! Thanks




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Bob K

12-03-2002 10:13:08




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 Re: Ideas for water pipe removal in block. in reply to GARY, 11-28-2002 20:19:39  
What model/year tractor are you working on? Are you talking about the top water pipe from the radiator to the block? On most of the two-cylinder tractors, that pipe is a slip-fit sealed with O-rings into the cast ends which bolt onto the block. Good luck.



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Ron Stephens

11-30-2002 05:35:31




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 Re: Ideas for water pipe removal in block. in reply to GARY, 11-28-2002 20:19:39  
I have found the easiest way is to cut the pipe off with about 1/2 inch exposed. Take a good sharp chiesel and hammer. Cut through the pipe and role to inside of pipe. Will come right out. An old pipe will be thin and weak.



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John T

11-29-2002 08:03:36




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 Re: Ideas for water pipe removal in block. in reply to GARY, 11-28-2002 20:19:39  
Gary, the same as CJ there, I believe heat is the only possibility and may still not solve the problem. When I remove broken bolts or studs, Im careful to try and heat the cast surrounding the stud, not the stud itslef, because that only softens them and they easlily twist off. What CJ does provides the same affect, because after it cools off (if you heat the pipe) then you dont have that softness problem, and hopefully the expansion and subsequent contraction breaks the rust bond. Good Luck, but I wouldnt take any bets either way. Ol John T

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CJDave

11-29-2002 05:12:17




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 Re: Ideas for water pipe removal in block. in reply to GARY, 11-28-2002 20:19:39  
It's the same process as a bolt removal would be, Gary. Heat the pipe from the inside so it swells with heat and crushes the rust, then return at a later date when all has cooled and unscrew it. It will have shrunk back quite a bit by then.....probably just enough to get it outa there.



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larry g

11-29-2002 20:53:12




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 Re: Re: Ideas for water pipe removal in block. in reply to CJDave, 11-29-2002 05:12:17  
may sound stupid, but if you can cut the pipe off close to the block and run a quick bead of weld around the INSIDE of the picpe, when it cools it will contract dramatily.



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larry g

11-29-2002 20:52:42




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 Re: Re: Ideas for water pipe removal in block. in reply to CJDave, 11-29-2002 05:12:17  
may sound stupid, but if you can cut the pipe off close to the block and run a quick bead of weld around the INSIDE of the picpe, when it cools it will contract dramatily.



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