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Oil Pump ball bearing


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3 replies to this topic

#1 Naked Buell

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Posted 15 May 2013 - 03:21 PM

Hey guys. I was wondering how important is the little ball bearing in the oil pump? I rebuilt the pump a couple of months ago, went to Subaru and got the actual rebuild kit, and rebuilt it. I changed the oil today and went and dumped out the oil filter and out comes the ball bearing. My oil pressure is just under 50 psi running and about just under 20 psi while idling. Do I need to rebuild it again??????



#2 mikaleda

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Posted 15 May 2013 - 03:55 PM

The ball bearing is part of the filter bypass, yes that ball bearing is important.

Edited by mikaleda, 15 May 2013 - 03:56 PM.


#3 Naked Buell

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Posted 15 May 2013 - 04:47 PM

What would cause it to somehow get out of position and stop in the filter????



#4 mikaleda

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Posted 15 May 2013 - 06:37 PM

That's a good question, I don't know, it's probably best to just get another pump, it sounds like its worn out and let the ball slip out.




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