I can't post the link but find in YouTube ''2004 Saab 9-5 Arc turbo noise''
In this video is showed problem that i have. Engine works good. But problem is when gouge does in yellow mark it start to sound very odd. At service they change APC, make pressure test and vacuum leak test but no result. Is it turbo?
They say it may be crack in turbo?????!!!!! Can someone help with this? I want faster deal with it. 
In this video is showed problem that i have. Engine works good. But problem is when gouge does in yellow mark it start to sound very odd. At service they change APC, make pressure test and vacuum leak test but no result. Is it turbo?