Go BottomJohn Deere 4100 HST Issue
 | Mdenz3
Join Date: Dec 2007 Posts: 3 Northwest, SC 
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2007-12-16 149361
Hi, I am having an issue with my John Deere 4100 w/ 4WD, and HST transmission.
The rubber lines that go to the cooler up infront of the radiator are blowing off. Any suggestions or ideas? Thanks in advance.
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 | earthwrks
Join Date: Dec 2003 Posts: 3853 Home Office in Flat Rock, Michigan 
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2007-12-16 149362
Might be a clogged filter that is creating backpressure? Not sure though. There was a guy here with a New Holland that had his cooler and filter blow a leak too. ....
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| hardwood
Join Date: Dec 2002 Posts: 3583 iowa
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2007-12-16 149363
Mendz3; You use the term "lines", is it always the same line or has one blown off then the other? If it is always the same line then perhaps something in the cooler is causing a restriction. If it blows a hose on either side of the cooler, then maybe the return line has gotten pinched. Frank. ....
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| Mdenz3
Join Date: Dec 2007 Posts: 3 Northwest, SC
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2007-12-16 149364
It first blew the left side hose. So I fixed it, topped of the fluid and tightened the other hose clamps aswell. Shortly there after it blew the hose on the right side off.
Thanks fo the tip on a pinched line, I'll go inspect them now. :) ....
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| Mdenz3
Join Date: Dec 2007 Posts: 3 Northwest, SC
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2007-12-16 149365
Well pinched line it is. The return line is smashed flat right where it turns to go back into the transmission. Looks like the mower deck came up to far and squished it.
Thank you all for your advice and help. ....
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