A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

Does doing the boost leak pressure test check the suction pump up by the firewall?

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Old 06-06-2006, 11:41 AM
  #11  
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how did you hook up the tester to the intake pipe?
Old 06-06-2006, 11:57 AM
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Default Pix, and thank you for the help.

<img src="http://pictureposter.audiworld.com/73397/pictures_001.jpg">
<img src="http://pictureposter.audiworld.com/73397/pictures_002.1.jpg">
<img src="http://pictureposter.audiworld.com/73397/pictures_003.jpg">
Old 06-06-2006, 12:17 PM
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Default oh no wonder, you cut out the entire in.mani and vac system with the IC to TB hose plug...

That will check the intercooler and nothing else. Reconnect that hose to the TB and try rerunning the test.
Old 06-06-2006, 12:20 PM
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Default Ug, what a dope I am. That's why I never understood how it worked, and how air got

over to the suction pump. Thanks
Old 06-06-2006, 12:32 PM
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no prob. Good luck.
Old 06-06-2006, 01:19 PM
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Suction pump leak found with soapy water spray bottle... Thanks again
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