steve m8 in his own simple way alexander is right you have a leak on the inlet side of the engine somewhere a split hose ect! you will need to locate it and replace or wrap it up with gaffer tape
dave
December 2011
So, you have got a "sucking" noise, so, do you know what you will have to do about it, yes, that's right, you have to find out where the noise is coming from, and then fix it! simples
Alexandre Meerkat
December 2011
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix cars.