I have isolated the two main leaks on my 300d. I was under it last night when I was changing the oil, and was able to determine that the main drip is coming from the oil filter assembly where it mates to the block. How hard is it to change out this gasket? I don't know if its related, but when I changed the oil last night, the o-rings on the rod of the filter "cap" were about as hard and brittle as anything I've seen....I don't know if that contributed to the leak, but I put new o-rings on.

The other leak is a faulty valve cover gasket...which is weird because it is brand new. I just put it on this weekend, but it leaks all around the drivers' side....must be that I didn't clean the mating surface well enough, or it's just the fact that it's not a German gasket. I'm ordering a new one.

Is there some trick to installing the Valve Cover gasket?

__________________
1983 300D - 314,640 miles (not all by me) - Daily Driver --Sold--
1983 300d - 215,000 miles (approximately)