All Things Mk5 > How to Guides / Troubleshooting

hissing noise on boost revo stage 2 running 0.5 bar

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woolley2021:
I've been under the car several time inspecting pipes cannot see any leaks the noise I'm hearing is a loud hisss not turbo nice I can her that through the induction the hiss sounds like it's coming from the driver side but cannot seem to locate it ! I assume it's a big boost leak but trying to replicate the noise whilst on ramp is bear impossible any suggestions ??

woolley2021:
The car has brand new pcv and diverter fitted

rich83:
It should be making more than .5bar. Somthing much be leaking

woolley2021:
I no I have no way of replicating boost when I'm driving it's very loud but when at stand till its not

GTiBlues:
Check intercooler pipe work. Mines all greasy around the joins. Your rubber seals could of perished? Or a hole from a stone being flicked up.

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