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Posted by Gil [67.185.42.254] on Saturday, July 23, 2011 at 11:22:37 :
Anybody out there familiar with these pumps?How much vacuum should one develop? I found one I forgot I had in my stash of things. The unit runs good and imediately develops 14" vacuum but will not shutoff via the mounted vacuum sensing switch. I took the top off of the switch to see it the contacts were welded - they weren't. Does it depend on higher system / engine vacuum to shut it off or does it have problems?
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