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Discussion Starter #1
when i accelerate,in something like 1/4 or 1/3 or the gas down,it ?wishles? a litle,like a turbo noise...
i don't have turbo

what could it be!?
 

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Make sure your timing belt tensioner is in good shape. Also make sure the bearings in your alternator are good.
 

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Discussion Starter #5
well,i dont think that the rpms are important here!is more like the gas pedal that is the boss!when its like 1/3 or 1/4 of full gas!i dont really get it!!!
 

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Well on my MK4 it's whistled from day one. When I had the K&N with the Eurosport open box it was even louder. I went back to a stock box and it still whistles. Why I think it happens is the air is being forced in a speed the suction get's smaller creating sound aka your whistle. Just a tought...I'm no engineer.
 
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