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Message: <blockquote data-quote="Tazza" data-source="post: 1201" data-attributes="member: 82"><p>From what i was told, minor scoring inside the cam ring is ok, as the vanes wear into these grooves. Chatter marks in the cam ring is BAD as when the vane passes over it, it will bounce causing it to by-pass fluid. As JustAwrench said, Vickers pumps can be repaired and parts can be bought for these without any problems. I am assuming your unit has a vane pump attached and not a gear pump, as if it did that changes everything, when gear pumps wear there is very little that you can do, short of replacing the pump. If you pull the pump apart make sure you get new O-rings for it when you re-assemble it. You really don't need oil squirting out of it. One thing you may try, is pulling it apart and making sure all the vanes move freely, none should be stuck as when they spin inertia will make them flick out and contact the cam ring. Hopefully that is your problem, nice and simple if it is. Clean the rotor and clean the vanes so they move freely (i used an oil stone a rubbed the vanes over it to remove rust off a pump once) You must note the orientation of the vanes too, as they will have worn in. Do them one at a time and replace them the same way as you took them out. Hopefully you just have a few stuck vanes, nice and simple. Replace the 2 O-Rings that are on the pump, and the one that is between the hydrostatic pump and the charge pump, you don't need it to leak oil. Sorry for such a long reply but HOPEFULLY this will help you out. Let us know how you go!</p></blockquote><p></p>

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