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Message: <blockquote data-quote="Linelife" data-source="post: 95295" data-attributes="member: 12820"><p>Well, I brought it in and had the pressures checked. Everything was where it should be. They told me that they had no idea what the sound was but probably nothing to be concerned with. Well, I don't buy that... I did a little more playing with it and once the oil warms up, it seems to do it more. While another guy operated functions, I was trying to feel where the noise was coming from. Seems to me that the inlet section on the control manifold is the source. I'm wondering if its possible that the flushing spool could be shaking back and forth making the noise that i'm hearing. I don't know a whole lot about hydraulics, so maybe I'm way off base. When it makes the noise, there's a definite vibration that you can feel in the throttle handle and most of the cab. I think if this is the source of the noise and vibration, then it would resonate in the cab being the manifold is bolted directly to it. Sorry for the delay, shipped out of town and then added a new baby to the family. Thanks in advance!!</p></blockquote><p></p>