Jimmy, thanks for your reply. My mechanic and I were stumped... I had never heard of a "Ventbox" before... and although he has seen "something kinda similar on a BMW I think" before, we don't have a Volvo dealership anywhere near us, and Volvos are kinda rare in these parts. My w...

My 2007 Volvo XC90 is making an awful racket. Sounds like the belts or a bearing going bad, but I called the dealer mech and he said "lift your oil dipstick up, and it it quits making that noise, then you've found your problem. Your Ventbox is clogged up." My question: Is there a link, a f...