Hi guys turbo was changed one year ago. I am now hearing the police siren whistking noise on idle and when revving. What couco be the issue here? Can't see turbo failing after one year?
Hi guys turbo was changed one year ago. I am now hearing the police siren whistking noise on idle and when revving. What couco be the issue here? Can't see turbo failing after one year?
Could be a leak in a boost pipe? Depends where you got the new turbo from and if you replaced the oil hoses. Also depends on how you drive the car, especially from cold.
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