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

Turbo unwinding noise?!?!

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Old 09-14-2005, 12:26 PM
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Default Turbo unwinding noise?!?!

Not sure if that's the right way to phrase what I mean, I'm talking about when you let of the gas and the RPM's are decreasing. I seem to be getting quite a bit of noise, more than I would like anyways, is that the turbo unspooling? There doesn't seem to be any performance issues, plenty of boost there.

Any way to fix this? Anyone else experienced this? Oh yeah, it's a KO4.

Thanks!
Old 09-14-2005, 12:52 PM
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Default I had a similar noise. Turned out to be something loose on the actuator connecting to wastegate.

not a performance issue, just annoying. Same sumptoms.
Old 09-14-2005, 12:56 PM
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Ok, cool, I'll check that out!
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