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vacuum lines source S90-V90

uid 39111's pic
posted by  Kenner on  Thu Sep 3 02:45 CST 2009
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last visit: Sun Aug 24 15:42 CST 2014
[RELATED]

They are a one way valve. passing air only in one direction. Simple check is to remove and suck on em. They will only allow air in one direction. This will only pick up fatal leaks. Little leaks may not show up by sucking on them.
What is your failure? Are the face vents shutting off during acceleration and coming back on after?
--
73 ES, 91 240, 98 S90






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