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Discussion Starter #1
So I developed another boost leak and got it repaired but while I was checking I noticed that a bit of air was coming from the rubber vent hose on the back of the pump. I’m pretty positive that is coming from the afc right? My diaphragm has no cracks or holes so maybe through the bolt hole in the middle? I guess my question is, is this normal?
 

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No it's not normal and the only way the boost can come out the vent is a torn diaphragm.
 

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Discussion Starter #3
No it's not normal and the only way the boost can come out the vent is a torn diaphragm.
Ok I’ll have to pull it apart and double check.
 
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