Volvo Repair: 1990 Volvo 240 DL Wagon is leaking oil, volvo 240 dl, flame trap

Question
I have a 1990 Volvo 240 DL Wagon and it leaks oil. I think it is coming from the cap. I took it to the repair shop and he replaced the head gaskets and tried to fix the leak with no success. I read something about a thing called a "flame trap" being clogged but my mechanic had not heard of it. What can I do to stop this leak?

Thanks,
Eric

Answer
Eric, must be a great mechanic if he has never heard of a flame trap.  Its under the intake manifold.  It sits on top of the black box.  Replace the oil cap seal and flame trap.  That should slow it down.  There may be other things leaking but I would have to look at the car.  Roger