Go BottomHST Noise on TC45D
 | waynecar
Join Date: Jan 2007 Posts: 6 Omak, WA 
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2007-02-20 139895
I took delivery on a TC45D with approximately 250 hours on it, which I bought out of state today.
When I tried driving it after it had run a few minutes at speed II, while in Turtle, there was a significant strange noise squealing, hard to describe sound) when pushing down on the forward pedal(maybe the reverse too but I don't remember) which I suppose was coming from the HST system. As much as maybe 5 minutes or so later while running at a constant speed it made similar sounds but for just a few seconds at times, then it stopped making the noise entirely while in use.
This was at around 45 degrees F, I believe. Is this normal? Thanks.
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| hardwood
Join Date: Dec 2002 Posts: 3583 iowa 
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2007-02-20 139897
Wayne, I don't have a Ford, but most hydros are pretty similar. Makes me think of a combination of cold oil and perhaps a partially clogged filter on the intake side of the hydro system. Did the previous owner tell you anything about when the last fluid and filter changes were and maybe what type of fluid he used. I'm a firm believer in using only flids and filters recommended by the owners manual in any machine. Enjoy your new purchase. Frank. ....
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 | Blueman
Join Date: Jul 2003 Posts: 243 Washington, PA
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2007-02-20 139899
waynecar,
I own one of these tractors, and what Frank said about cold oil is true. Had the tractor not been run for a while? I changed out all fluids and filters at 300 hours, and I now have 335 hours on it. When I ran the tractor last week in 15 degree weather, you could tell for the first 10-15 minutes that the hydro fluid was cold, and the tractor made some strange noises. Find out when the last hydro fluid and filter change was done. My guess is that a person that would sell one of these tractors with so few hours on it probably didn't change the fluids... ....
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 | earthwrks
Join Date: Dec 2003 Posts: 3853 Home Office in Flat Rock, Michigan
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2007-02-20 139901
I have a blue too. It's nothing to worry about--just cold, thick oil. It goes away then you forget it was a problem--until the next time it's cold. ....
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