A rooted turbo is more of a squeal noise than a whine if that makes sense. Play in the wheel and worn fins are easy to pick. It could simply be a hose leak too.Had the car at mechanics today, they suspect the noise is coming from the turbo and saying it could be worn.. They didnt actually inspect the turbo though. To do that i just take off the intake pipe and check for play on the turbine wheel yeah?? Surely if it was a turbo issue it would be more noticable at full boost?
A rooted turbo is more of a squeal noise than a whine if that makes sense. Play in the wheel and worn fins are easy to pick. It could simply be a hose leak too.
have you checked for leaks where the turbo bolts onto manifold and where the turbo bolts to dump pipe ? could be lose bolts or a stuffed gasket.
Yep, check all that type of shit, but bear in mind where ever your ears spatially think the noise is coming from when you are cruising at 80kmh, it probably isnt since the body of the vehicle is transmitting the noise however the hell it wants.
Speaking of which, have you changed the set up at all recently? Hard mounted air box or intercooler can transmit noise through the body too.
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