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Old 04-14-2013, 07:43 PM   #236
68Cadillac
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Member#: 95901
Join Date: Sep 2005
Chapter/Region: SWIC
Location: Las Vegas, USA
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Quote:
Originally Posted by TheArtOf_Fast View Post
the o-ring all the way in the center of the pump is wrong. OP has dash 21 listed as the size, but that o-ring (especially in FEP) is way too thin as other have posted. I used a dash 119 FEP ring with EXCELLENT results, plenty of power steering at idle and no noise. The dash 21 O-ring doesn't seal properly with the pump half and as a result you get low to no power steering at idle.
Updated the Masterlist stating the -119 size might be needed on some pumps instead of the the -021.

Quote:
Originally Posted by TheArtOf_Fast View Post
happy rebuilding and thanks to 68cadillac for doing the original research and being the first guinea pig
You're welcome.
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