424 - New tractor to me - please help diagnose noise

On my IH 424, I frequently and intermittently get a noise which I am having trouble pinpointing. This noise if I could describe it sounds like a high speed shutter - similar to sliding a metal table across a cement floor where the legs slightly shudder and vibrate. This noise can occur at idle when I move the steering wheel back and forth. Sometimes moving the wheel will cause the noise to start and sometimes it will cause it to stop. To me, it sounds like noise from either the hydraulic pump or the power steering pump (does the 424 have both?) I am presently not certain where either are (books are on the way). Sometimes the noise can come when you engage the PTO but not always and the PTO and hydraulics seem to work fine. THe noise generally goes away at higher RPM and sometimes sitting still if I reduce the throttle down to idle, it will all of the sudden start making the noise. I was hoping that someone could tell me something to try to see if I can pinpoint it or maybe some valve to shut or open to help isolate the problem. Any help would be appreciated.

Chris Hibbert

Thanks

Chris Hibbert

We have the same noise in our 2500b. We JUST drained it (new to us tractor) and its all emulsified. Surely that could cause it? So were starting there.

Ill watch this thread and let you know if we get out shudder noise stopped. Hoping between fluid, new lines and filter it will be solved. Its not a good sound to hear!

I'll be anxious to see how things work out for you. I am just about to go clean the screens now and take a good look at the fluid. I pulled a screw and saw fluid that was a good clear honey color so I don't think there's any emulsified water in there but it's possible. The odd thing is that the noise doesn't seem to causer any ill effects - everything works well - it's just unsettling to hear it. Well post your results here and I will do the same.

Chris

Gonna put it in tonight I hope right after the hose changes. Only about 20 dry rotted hoses (from sun exposure). I might have to find some braided hose covers, heard they last up to 10 eyars that way. Oh well at $12-14 a hose at TSC its not worth risking a hose breaking thats wicked (had a rental backhoe do that-NOT fun). Once you have had 2000psi near 200F hytran oil blowing around near you -you dont risk it!

Any progress with your tractor yet? What did you find out when checking the filter? Does look alright.

Thanks for your help

Chris