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Update--Re: Screeching sound when turbo needle touch the red line Posted by Michel_DDO [Email] (#2328) [Profile/Gallery] (more from Michel_DDO) on Sun, 31 Jul 2022 19:47:29 In Reply to: Re: Screeching sound when turbo needle touch the red line, Michel_DDO [Profile/Gallery] , Mon, 6 Jun 2022 22:02:53 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Thanks everyone for all the hints.
I could see no oil leak at the turbo and the turbo wheel (turbine?) has no side movement and move freely.
I decided to replace most of the vacuum lines with 4mm silicon ones. Replaced the Charge air bypass control valve and the Boost pressure control valve.
I had to replace the seals at the vacuum pump also.
Just to say that the car is running like a new one! No noise from the turbo at all and it seems that the car/turbo is more responsive and powerful than before but it might be just an impression.
It's been three weeks now and I am really happy :-)
Michel
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