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rear end leak

871 Views 6 Replies 3 Participants Last post by  65BuWagon
I had a shop set my new gear up and posi unit gm 10 bolt i got it home i bolted up than over night the fluid was leaking from the pion seal or somewhere by the front all i did was put fluid in it and it leak its a new seal everythings new in side any ideas thanks
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Check the vent to start, if it is blocked then that will cause the seal to leak. Do you know which of the 3 10 bolt GM axles you have? 7.5 - 8.2 - 8.5?
So it's not the seal leaking, it's the addded slop in the two splines. I rarely come across it but it does happen. Make sure not to over tighten the pinion nut, mark it and put it back to where it was.
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