2008 JD 5303 Hydraulic Question

   / 2008 JD 5303 Hydraulic Question #1  

deere5105

Veteran Member
Joined
May 6, 2009
Messages
1,077
Location
South Mississippi
Tractor
2008 John Deere 5303 MFWD, 2004 John Deere 5205
I have a 2008 JD 5303 4WD with JD 522 FEL.

One known issue is 3PT lift will after a few minutes begin “hissing” when lift handle is raised to full lift height. Bumping lever down a little makes noise go away, but will begin “hissing” again after a few minutes. Periodically adjusting lever position up or down makes noise go away.

Another observed issue is when dumping bucket and pushing lever all the way to the right to initiate the fast dump feature occasionally will hear a screeching sound until the joystick is released. Doesn’t happen every time, but seems to be more common when tractor is warm and has been used for some time. I also noticed in the past the loader wasn’t strong enough to lift the front tires off the ground. When needing to take front tire off for tire repair needed to use jack versus tractor hydraulics picking up.

Recently picked up a 2004 JD 5205 2WD with JD 521 FEL. I needed to repair one of the front tires and this loader easily lifted the front end. Recently used this loader to unload approximately 2000 lbs. of feed and it lifted it easily. Same load on the JD 522 FEL in the past would lift it, but I wouldn't say easily. Have at times heard the same “screeching” noise while trying to lift this load.

Within the past few months have completely serviced both tractors changing all filters, cleaning hydraulic pickup screens and replacing hydraulic oil. Any thoughts or ideas on what would make the JD 522 FEL seem weaker than the JD 521 FEL? Never really thought much of it in the past as always managed to complete needed task and just assumed the “screeching” sound heard occasionally was normal operation. Maybe it is unrelated to apparent limited lift capacity. Admittedly my hydraulic knowledge is very limited.

Any one ever experienced this or have thoughts as to what is happening? Maybe is just normal operation?
 
   / 2008 JD 5303 Hydraulic Question #2  
Hissing with 3 point fully raised sounds like the feed back mechanism for 3 point may need some adjustment. If adjusted properly the 3 point should stop lifting and unload the pump at minimal pressure. Your description sounds like it is not fully unloading the pump.

Loader lift: have you ever checked the system pressure on the 5303? If pressure is low that will limit the working capacity of the loader.

Dump far right and cylinders stop moving the noise you are hearing is potentially the system relief valve doing its job. Same or similar noise when trying to lift or curl a load greater than what loader is designed for.
 
   / 2008 JD 5303 Hydraulic Question
  • Thread Starter
#3  
Hissing with 3 point fully raised sounds like the feed back mechanism for 3 point may need some adjustment. If adjusted properly the 3 point should stop lifting and unload the pump at minimal pressure. Your description sounds like it is not fully unloading the pump.

Loader lift: have you ever checked the system pressure on the 5303? If pressure is low that will limit the working capacity of the loader.

Dump far right and cylinders stop moving the noise you are hearing is potentially the system relief valve doing its job. Same or similar noise when trying to lift or curl a load greater than what loader is designed for.
I have noticed with a heavy implement on 3 point with tractor off it will start leaking down. The hissing sound will return again when bumping lift lever down. Have gotten some feedback on that from others that had same issue and what they did to fix it. Can’t recall off from memory but was a valve issue. Mentioned this issue in case could be related.

Have not checked pressure. Not sure how/where to test.

You are correct on the sound made being the same as when lift limit reached.

Appreciate the feedback.
 
   / 2008 JD 5303 Hydraulic Question #4  
As pointed out by oldnslo, adjust the "stop" raising linkage. Seems classic problem for that solution.
 

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