Turbo problem?

[Justas14]

Hi everyone,
I do know this would be like sharing opinions only, but maybe has anyone ever encountered this before with their babies?

https://www.youtube.com/watch?v=4Osi...ixSzUaMxOFPQik


This scratching/vibrating noise appears when the car is on cold start, then after the RPM drops the sound dissapears (you can't hear it in idle). If I rev it up a bit, you can start hearing it from around 1.8k RPM areas (if you keep it steady there, you can't hear it either )

Same goes when you're slightly accelerating, the sound appears as well.

Now if I accelerate quickly, the sound is really bad for as long as I'm increasing speed, though then again if I hit it for example 0-100, then stop, and accelerate again the sound seems to be gone as well.


It all points out to the turbo being lose, but I'm also suspecting now whether it can't be some belt bearings or maybe the exhaust having a hole I missed on this part


I will go to the repair shop soon to diagnose it, but wondering what to expect in advance

[Justas14]

Hi, new update

so apparently changing the belts didn't solve this issue.

The bearings were apparently all in great condition, the exhaust part doesn't have any leaks and the guy at the repair shop assured me that the sound doesn't come from the turbo as after lifting the car and so on it didn't create any sound from it.
Though pointed me towards blow out valve (which I'm really doubtful about as the sound varies and is not constant)


Anyways, gonna keep looking for issues as the problem persists and I'm not sure how serious it is (the sound does give a serious problem vibe though)