Re: [MBZ] mysterious pool of oil

2005-08-17 Thread LT Don
'Ppreciate the pointer, Peter. That pesky plug had me particularly paranoid. I've pondered my predicament and pronounced the explanation plausible. On 8/17/05, Peter Frederick <[EMAIL PROTECTED]> wrote: > That is the tachometer connection -- where the dizzy goes on a gas > engine. Contains the up

Re: [MBZ] mysterious pool of oil

2005-08-17 Thread Peter Frederick
That is the tachometer connection -- where the dizzy goes on a gas engine. Contains the upper bearing for the oil pump shaft and a now long dead o-ring. Take the bolt out, pry off the ancient, rock hard o-ring, and replace. The whole bearing comes out if you remove the retainer bolt on the s

Re: [MBZ] mysterious pool of oil

2005-08-17 Thread Marshall Booth
LT Don wrote: I just poured a cup of hot water over the area (now the pool is really deep but at least it is mostly water, as the oil floated to the surface). We shall see if it boils off when the engine gets up to temps. If not I will do a thorough wipe down when I get home from work and see if

Re: [MBZ] mysterious pool of oil

2005-08-17 Thread LT Don
Perhaps I have discovered a small portion, although admittedly a small portion, of my oil consumption? Is that a standard size o-ring or is it something I'd have to get from Rusty next order? On 8/17/05, Mathieu J. Cama <[EMAIL PROTECTED]> wrote: > That's exactly the purpose of that plug. It is a

Re: [MBZ] mysterious pool of oil

2005-08-17 Thread Mathieu J. Cama
That's exactly the purpose of that plug. It is a provision for a mechanical tach. There is an o-ring in there that will leak after a while. Leaks from this plug are commonplace as these cars are getting up in years. Mathieu If I recall correctly, older OM61x engines (or maybe it was OM621 eng

Re: [MBZ] mysterious pool of oil

2005-08-17 Thread LT Don
I just poured a cup of hot water over the area (now the pool is really deep but at least it is mostly water, as the oil floated to the surface). We shall see if it boils off when the engine gets up to temps. If not I will do a thorough wipe down when I get home from work and see if whatever bolt it

Re: [MBZ] mysterious pool of oil

2005-08-17 Thread Marshall Booth
LT Don wrote: 1977 240D. Just below the #1 (front) glowplug there is a round, recessed area with what looks to be a 3/4" bolt head. This isn't part of the engine (?) and I'm not sure what it is. The top of whatever this is is perfectly horizontal. I've found an accumulation of really dirty oil

Re: [MBZ] mysterious pool of oil

2005-08-17 Thread LT Don
The injectors seem to bolt to the back of whatever this is.

[MBZ] mysterious pool of oil

2005-08-17 Thread LT Don
1977 240D. Just below the #1 (front) glowplug there is a round, recessed area with what looks to be a 3/4" bolt head. This isn't part of the engine (?) and I'm not sure what it is. The top of whatever this is is perfectly horizontal. I've found an accumulation of really dirty oil about 1/8" deep