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Old 12-09-2011, 02:59 AM   #15
Join Date: Dec 2007
Location: Pickering
Posts: 1,315
Do you have vano's? If so it probably needs that valve unless its just the bypass for when/if the filter is clogged and won't allow flow.

Looking closely it seems the one on the right has a valve in the same cavity going right to left. If what i'm seeing is the piston/rod for the valve. If that's the case then it shouldn't matter.
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