Re: 4430 Trans pump

tim s

Well-known Member
Well that all sounds normal...Tell me again what the original issue was....My memory is still good,,, I just have too much to remember ;^)
 
Sorry I thought the previous post would show up. The hydraulics chatter for a few seconds and then run as normal. The trans pump was changed out last year (quadrange with external pump) which solved it for a while but slowly came back. The filter and screen are clean. The oil has some fine bubbles but nothing serious which makes me think oil starvation to the front pump. The tech manual shows a test port for lube pressure but my tractor doesn't have one in that location next to the clutch port. Any ideas on where to go next? Would the stroke control valve have anything to do with it?
 
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