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Old 05-27-2011, 05:52 PM   #1
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Default Intake Manifold Vacuum line down under??

the fat one thats pointing toward front of car it goes down through center of intake manifold piping to a black box....

i noticed this line is colapsing!!!

whats this black box and will anything bad happen if i run it colapsed???
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Old 05-27-2011, 05:58 PM   #2
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Default Re: Intake Manifold Vacuum line down under??

Black box? Do you mean a black drum looking thing that sits on your firewall and has a clear reservoir attached to it? And what do you mean collapsed?

looks like this:

http://www.shiftperformance.com.au/i...dc2booster.jpg

Some decent grammar wouldnt go astray either...
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Old 05-27-2011, 06:03 PM   #3
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Default Re: Intake Manifold Vacuum line down under??

i did alittle research and i think its the pcv breather, a fat vacuum line runs to it....

what kind of issues will i have if the lines colapsing?

its on back of block under intake mani
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Old 05-27-2011, 06:11 PM   #4
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Default Re: Intake Manifold Vacuum line down under??

its the crankcase ventilation box... if its sucked shut more then likely u need a pcv valve.
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Old 05-27-2011, 07:16 PM   #5
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Default Re: Intake Manifold Vacuum line down under??

What happens when the pcv is bad? Symptoms?
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Old 05-27-2011, 07:23 PM   #6
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Default Re: Intake Manifold Vacuum line down under??

Quote:
Originally Posted by blacktibby07 View Post
What happens when the pcv is bad? Symptoms?
rough idle/poor fuel and oil consumption
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