Hydrostat noise: New Holland Tractor Review  -- New Holland Tractors Discussion Forum and Review Hydrostat noise: New Holland Tractor Review -- New Holland Tractors Discussion Forum

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 09-24-2002, 21:06 Post: 42876
ScottP
2002-09-24 21:06:55
Post: 42876
 Hydrostat noise

I have a new TC40d. When I start the tractor at idle speed there is a intermitent high pithched buzz that seems to be coming from the hydorstat filter area. When I speed the tractor up the noise seems to be more constant. Even when the tractor is warm the noise is still present. I changed the filter and checked to make sure none of the oil lines were touching, but I still have the noise. Any ideas??






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 09-26-2002, 07:48 Post: 42923
Art White



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 Hydrostat noise

GO the a dealer and listen to another TC and see if it is the same. They have had some troubles with them.






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 09-26-2002, 17:23 Post: 42951
Scott P
2002-09-26 00:00:00
Post: 42951
 Hydrostat noise

I went to the Farm Progress Show yesterday in Alleman Iowa and visited the New Holland diplay. They had a TC40D there so we started it and it makes the same noise as mine. I talked with a service tech while I was there and he said he would give the New Holland engineers a call next week to see if they knew the cause of the noise. In a nut shell he said the noise was normal for the TC's.






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 05-24-2003, 02:45 Post: 55455
CMTC40D



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 Hydrostat noise

Scott: any new on this noise, as I hear something very similar on my (03) TC40D? I thought it could have been coming from the starter.






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 05-26-2003, 18:56 Post: 55647
ScottP
2003-05-26 00:00:00
Post: 55647
 Hydrostat noise

The service tech did talk with New Holland and the noise had been reported already. The engineers at New Holland say the noise is resonance in the metal hydralic lines and is normal for the TC's. I always love that respnse " that's normal" normal does not mean it is right; oh well I have over 50 hours on the tractor now with no problems.






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 05-30-2003, 10:43 Post: 55986
ruger454



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 Hydrostat noise

I have a 2000 tc45 and mine makes more of a clicking sound by the hyd. filter and starter also. My tractor has almost a 1000 hours on it. It comes and goes when I am going down the road. It seems to be somewhat intermittent. I always thought it was the two solid lines but I checked them and it is not that. It has done it since I bought it and the dealer said it was normal.






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 06-03-2003, 20:29 Post: 56528
CMTC40D



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 Hydrostat noise

Ruger, thats more like the noise I hear. I now have 40hrs on the tractor and the noise has been since new. Will soon bring it in for the first oil change and inquire if this is normal.






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 06-04-2003, 08:48 Post: 56578
Murf

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 Hydrostat noise

If it is resonance, which is entirely possibe, then I would do something about it, fast. It may take a while to show, but if the 'resonance' (read 'motion') is allowed to continue it is only a matter of time before something gives up, probably a line since they are the lightest material, due to metal fatigue caused by the motion. If a line lets go it will be neither fun nor convenient.

I would start with some heavy rubber cut in strips, wind it around the lines until they are large enough around to contact something else which will brace them, then zip tie them together. If this works tell the factory, a small rubber isolation mount will be a cheaper fix than replacing line sets under warranty, or unhappy customers out of warranty.

Best of luck.






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 07-26-2003, 14:31 Post: 60152
Tim Connolly



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 Hydrostat noise

On my TC33D I noticed there was a pump noise if I pulled the TPH lever up all the way and left it there. Now when I raise the rear hitch I just tap it forward a little and the pump noise goes away. At first I thought it was the hydrostatic drive. Maybe this will help.

TC
Maine






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 07-27-2003, 05:28 Post: 60174
TomG

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 Hydrostat noise

Tim: I wonder if 33's have a detent at the very top of the 3ph lever travel like my Ford? On my Ford that position is intended to supply oil to a port on the 3ph to power external hydraulics. When in the detent the 3ph goes to full height but the detent position intended for normal 3ph operation.

Another possibility is that the position control rod is slightly out of adjustment. 3ph's are supposed to go into neutral before they go to the mechanical limit of their heights. If the control rod is out of adjustment, the 3ph hits a mechanical stop and the sound could be the relief valve opening.






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Discussion Boards > Active Subjects > Messages as Posted > New Holland Tractor Review Forum

Thread 42876 Filter by Poster:
ackley280 1 | Art White 1 | CMTC40D 3 | Murf 1 | rjones 2 | ruger454 1 | Scott P 1 | ScottP 2 | Tim Connolly 1 | TomG 1 |




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