Problem With Strange Boost Noise?

[Marc]

Hi guys, just fitted a hybrid turbo, manifold, and decat tonight with the air filter coming off the turbo. I took it a test drive and was only boosting to 0.5bar and a really strange squeeling noise coming off it. Can anyone give me an idea to what is wrong with the setup or have i missed something obvious to cause this noise. Also i have a coolant leak from the turbo so i dont know if thats the problem. Goin to fix the leak during the week hopefully just a loose fitting or seal.

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[lukEp]

sounds like an air leak because its only on boost and your boosting less than standard check your intercooler hoses too

[DavidAshton]

100% a boost leak. Get hunting for it lol.

[Meston]

Sounds a bit like mine. Overhauled the studs on my efi pipe. :/