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Kieran O'Connor

Smoke from external wastegate dump tube

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my 180 idles for 30seconds to a minute and then smoke starts coming from under the turbo where my wastegate sits..

Things that i suspect that it could be is that i sanded off the flange smooth that connects to the wastegate carefully ofc to not get metal shavings down inside my manifold

 

Could this be metal burning off inside the dump tube that runs under my car?? and could i just idle the car to where it will all burn off eventually?

The smell is not coolant or oil but much more like a metal burning smell

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