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Old 04-02-2010, 11:53 AM   #1
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Default WTF is this vacuum line thing?

Can I cap off these vacuum fittings and run without this line? This thing with the white and green pill or whatever?

I lost the ****** at some point during my rebuild :(
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Old 04-02-2010, 11:58 AM   #2
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Well news flash. I just found it. What the heck is the point of it? It looks like it has a one way valve on it.
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Old 04-02-2010, 12:54 PM   #3
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As you suspected, it is a one-way checkvalve. It goes between the manifold plenum and the VICS vacuum reservoir.

edit: Just saw that you have an '03. My guess would be that it's the vacuum check valve for the VTCS actuator.
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Old 04-02-2010, 01:17 PM   #4
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It's a float. In case you go fishing.
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Old 04-02-2010, 01:19 PM   #5
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Quote:
Originally Posted by m2cupcar View Post
It's a float. In case you go fishing.
+1 LoL...Thats what I was going to say!
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Old 04-02-2010, 02:27 PM   #6
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on a turbo car, i'd plug both ends and leave it disconnected.

after mazda recalled the ECUs and implemented some shitty "VTCS closed a lot" it sucks for turbo applications.
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