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  #1  
Old 25th January 2009
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justyjust justyjust is offline
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Default vacuum line help

hi all

i changed my vacuum lines with silicone one's, when installing the new lines i might have put a one way valve the incorrect way, can anyone help?
do you have these valves on your car? does anyone have diagram of the vacuum lines????

i have 2 one way vales
the red pipe is for my boost gauge

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  #2  
Old 25th January 2009
paolo paolo is offline
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You've put the red/white valve around the wrong way, white part to the rear, red to the front.

The white check valve has small arrows on it. They should be pointing away/down from the left pipe that goes into the cam cover (looking at car left to right)
Hope this helps
p
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Old 25th January 2009
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justyjust justyjust is offline
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i will sort it out, i thought it was wrong..

thank you
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Old 13th June 2016
2000Chris95 2000Chris95 is offline
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Hey sorry to bring up an old post but im jst wondering.. Do you know why, in the first picture, your vacuum hoses coming from your cam discolored like that? and did it get worse?

I have a buddy whos 9-5 2.3 is doing the same thing. Its actually a little bit darker then yours, i think its even tacky but the rest is fine (crisp blue). its the 2 like yours (before and after the check valve) and his check valve is going in the correct direction.
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Old 14th June 2016
TankTak TankTak is offline
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Quote:
Originally Posted by 2000Chris95 View Post
Hey sorry to bring up an old post but im jst wondering.. Do you know why, in the first picture, your vacuum hoses coming from your cam discolored like that? and did it get worse?

I have a buddy whos 9-5 2.3 is doing the same thing. Its actually a little bit darker then yours, i think its even tacky but the rest is fine (crisp blue). its the 2 like yours (before and after the check valve) and his check valve is going in the correct direction.
silicone vacuum lines are not designed to handle oil, they essentially sweat the oil which discolors them. Nothing to worry about unless they are deteriorating, in which case I would source thicker silicone vacuum lines if he wants to keep them.
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