Originally Posted by mcfee03

Replaced my CCV system - removed my intake (first mechanical task!).

But I can't get rid of a very loud vacuum noise (which causes the car to stall/run extremely rough). It's coming from the intake where it meets the engine it seems (not the boot).

If anyone has ideas, it would be much appreciated. I've removed/redone the intake 5 times to try any find it. Going borderline insane here :/