Noticed a strange noise recently on my 98 turbo - when accellerating at about 3,000-3,500 revs, there's a noise which sounds like someone blowing over the top of a milk bottle. Only lasts a second or two.

Anyone know what this could be?

Cheers,

Mark.

 

Your BOV is leaky. Time to get a flashy new one!

 

nom means a Dump valve. I know it's a BOV as well but not everyone knows what that means.

 

Cheers guys, the other thing was a sort of whining noise when i lift off the accelerator, so guessing this is also the dump valve.

Mark.

 

Ice, had it serviced? if they get a little too much oil in it I heard it can make it make this noise, read it ons SIDC FAQs read about it there