IF your car is leaking oil from dipstik and when the dipstic is down and then you lifit it up and hear air come out it is a blocked breather hose,
i had this problem and took it to colvol who is a small bissnes but a volvo specialist and is grate in prices only charged $88.00 fore gearbox oil change,fix breather hose,mount over flow bottles proply and do the diff oil.
recomend to any one in sydney nsw australia.