I really need help.
A couple of days ago I noticed a sizeable oil leak underneath my brick.
The leak is diretly under the center of the back portion of the engine.
The only problem is, I can't tell where it's coming from.
The puddle of oil I leave is located approximately 4 inches in back of the Oil Drain Plug. I'm really scared that it's the rear seal, but I know that my distributor cap and rotor were changed a couple weeks ago and that may be the cause of the leak. Is there any way to tell where the oil is coming from, I breifly tried to take a look from above the engine and from the sides, but no dice? Any clues without getting in there and pulling stuff out? Is there a quantity amount normally associated wih either of these leaks?

Problem# 2, I also failed the "jiggle" test this week.
It's kind of funny, because I tested the car a couple of weeks ago, and I didn't have strong suction, but the oil cap wasn't "jiggling" like it is now.
Can the crankcase pressure build up that fast in a mater of weeks?

In order to diagnose the cause of my leak, I'm going to attempt to clean the flame trap and replace it. Can someone tell me exactly where it is on my brick?
I've read the FAQ's, and I'm still not sure that I've found it.
Everything is so buried under the manafold, and I don't see a vapor box or oil separator, or anything else mounted to the engine block above the starter.

I do see a small hose running from the top of the manifold betwen the 2nd and 3rd ports that goes downward towards the side of the block, is this it?
I can't really see where it goes, it looks like it has a black stopper on the end and is going into a tube of some kind. My view of it is blocked by the hoses coming from the IAC and a bunch of other stuff underneath near the starter.
I thought that the flame trap was white plastic? I thought that there is a another stem eminating from this thing? What gives?
I also saw other small hoses in the area connected by a white plastic piece, but I don't think that these hoses were connected in any way to the manafold?
I'm confused, please help!

That hose going down the block, that should be your flame trap hose. The other end should go to the intake manifold. There's also a vacuum line to the trap holder. Make certain you can blow through that- if it's clogged, replace it or pick the blockage out with a wire. The trap itself is probably dirty. A new one is only a couple of bucks, with a new holder, either from a parts supplier or Volvo.
I'd say you've got a rear main seal leak. It's going to be dripping out of the little vent grids on the bottom of the bell housing. I assume that it's oil you're finding- the transmission can leak in basically the same place. ATF is red, though.
The rear main seal may leak less when the trap is fixed and it's breathing right. It's not going to get better by itself- sooner or later the trans will have to come out so it can be replaced.
I doubt that the distributor is leaking that much oil, but 740 distributors are known to leak. With a new cap, it should now be obvious if there is a leak- it will be oily inside!
Cleaning the engine will be the only way to tell for certain what the source of the leak is. Good luck!
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Rob Bareiss, New London CT ::: '87 244DL/M47- 221K, 88 744GLE- 202K, 91 244 181K, 88 244GL 145K

I almost forgot.
I have a 740 GLE, Normally Aspirated.
Any and all help is appreciated, thanks in advance.

Hey there Fred, on your car the flame trap is that black plug looking thing you spotted. A hose from the intk. manifold leads to it. The white plastic flame trap is inside that plug. You kinda need surgeon's fingers to get at it, but it's do-able..check it out and see if it's plugged. Definetely a starting point..Post back when you get it out.