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crank case ventilation hose.

845 Views 8 Replies 3 Participants Last post by  raider89
What kind of issues would I run into if I don't have one?

Mine broke off and it has nothing there atm

1.8t aeb
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I discovered my hose had a crack in it when I did a boost leak test.
The same hose um talking about?
The big one that attaches to the PCV valve
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