Q7 MK 1 Discussion Discussion forum for the Audi Q7 SUV built from 2005 to 2015

Q7 Vacuum Line

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Old 01-03-2019, 09:59 AM
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Default Q7 Vacuum Line

Is there supposed to be a vacuum line connected to the electronic brake booster?


(I have a 2007 Q7 4.2L V8.)
Old 01-04-2019, 05:16 AM
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Aghh yeah bud. There is a smaller rubber hose section that comes from the pump then i to a plastic one way check valve. After that then it connects to the harder plastic piping which go over alongside the r/h air intake. Are all your pipes missing?
Old 01-04-2019, 05:46 AM
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There is a hose on the bottom of the pump, but on top there is nothing. All the other hoses seem fine and it runs great. I wish I could find a picture of what it should look like.
Old 01-04-2019, 06:23 AM
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I can take a photo of my 4.2 in the morning for ya.
Old 01-04-2019, 06:45 AM
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Thank you
Old 01-05-2019, 03:19 PM
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Hey mate. After having a look at your pic vs my pic and the area you have described it is actually only the front axle breather tube. The only thing you are missing from the tube is the round vent that goes on the top to stop things going back into it.
this is not brake related etc from your electric vacuum pump bud.


Old 01-06-2019, 04:26 AM
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Gotcha. Thanks for looking it up. No to find a part number.
Old 01-14-2019, 11:29 AM
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Now I can find figure out how to buy that damn breather cap.
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