Oil leak through spark plug wells on 1996 Volvo 960

My 1996 960 cranks and runs for about 30 seconds then leaks oil through the spark plug wells. where should i start?

Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
1 answer
The leak is in all of the cylinders? Or some? Is the oil seeping between the top cover where it mates to the cylinder head?