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Discussion Starter · #1 ·
Have a mk5 golf tdi, it sounds like the car has a dump valve but we dont think it has

makes the sound sometimes and not all the time?

Cheers
 

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Mines a mk4 but does it too, leaking boost badly from the clips at the turbo and at the intercooler.

Get a nice TSSSS very very blow off valve sounding. When lifting off at certain rpm haha, but will be fixed next week.
 

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mine makes a 'chewww' sound when lifting off at certain rpm.

Could this also be a boost leak or is it a different sound?

I just had it on the rolling road at 170BHP(flywheel) and its only a 1.9TDi standard so dont think its had any performance loss!?
 

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Mines makes the chewwww too, like a pigeon noise? That's normal. Mine did it dice decat. This is
More like a Tssssshhh, like a 'dump' valve.

Mike
 
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