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  #16  
Old 10-31-2000, 04:41 PM
MikeTangas's Avatar
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Join Date: Apr 2000
Location: So. Cal
Posts: 4,430
DOH , forgot about it being an aluminum head! Of Course that means the particles can't be from the milling process.

I hang my head (iron) in shame.

------------------
Mike Tangas
73 280 SEL 4.5
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  #17  
Old 11-01-2000, 06:52 AM
LarryBible
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Mike,

My head is iron as well.

I pulled off the valve cover last night, removed the fan and shroud, and turned the engine with a ratchet. Sure enough, the camshaft was one tooth retarded.

When I ordered the head gasket set, I ordered a camshaft seal and camshaft cover bottom seal. It turned out that these pieces were in the head set. So my mistake turned out in my favor. I pulled the dist. cap, rotor and the cover. I then removed the tensioner and was able to move the chain one tooth without removing the sprocket from the cam.

I put it all back together using the new seals and didn't start it until this morning. The translucent blue goo that MB sells for this cover seems to take a while to set, so I did not start it last night. BTW, this blue goo works great on this cover. I've had a leak from this cover since I bought the car, and thought that it would be too difficult to reseal. I believe the key to sealing it is this translucent blue goo. It allows you to slide the cover forward on the bottom seal without disrupting it. If you have an M103 engine with a leaking front cover, don't hesitate to tackle the leak, just use this great sealant from MB.

I started it this morning, gave it a quick look and listen, and drove it the 90 miles to the office. IT NOW RUNS LIKE A SCALDED DOG!

So now, not only does it live, but it's the same old long legged animal that I remember.

Thanks for everyone's interest and comments,

------------------
Larry Bible
'01 C Class, Six Speed
'84 Euro 240D, manual, 533K miles
'88 300E 5 Speed
'81 300D Daughter's Car
Over 800,000 miles in
Mercedes automobiles
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  #18  
Old 11-01-2000, 11:26 PM
juan01
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Larry,

I am glad that your 5/s is running well. The amount of work you put into it is remarkable.
I hope you get to enjoy it for many years.

By the way, did you ever have the valve seals changed prior to this repair? I have read quite a few postings about this problem and I think that I may have to do have it done to my 86 as she is taking about a qt/perK. The strange thing with this model is that it runs like a gem.

Somethng else, if you ever come to the NY area, there are some beautiful mountain-like roads that resemble the roads you see in European movies. Driving there this past week end made me think of all of us who like to drive stick. One of the best roads (for those in the NY area) is the road accross the Bear Mountain Bridge going south. A little scary at night.
Regards,

Juan
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  #19  
Old 11-02-2000, 06:50 AM
LarryBible
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Juan,

Yes, the car got the upgraded valve seals before I bought it. Before the head corroded through the engine used NO oil. It did not go down noticeably on the dipstick in 3,300 miles, the oil change interval.

Good luck,

------------------
Larry Bible
'01 C Class, Six Speed
'84 Euro 240D, manual, 533K miles
'88 300E 5 Speed
'81 300D Daughter's Car
Over 800,000 miles in
Mercedes automobiles
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  #20  
Old 11-03-2000, 10:36 PM
LarryBible
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Mike,

I just did the next oil drain. It has gone about 850 miles since I drained it Monday night, and saw the metal particles.

The magnet has probably 5% or less as much metal showing compared to what it looked like Monday night. This was relieving.

I've had a magnetic drain plug in most of my cars for the last 30 years, and some always show just a trace of black at oil change time. It just seems to be normal with most engines. Until my mishap with this engine, I saw NO black on the magnet at oil change time. Hopefully it will return to that.

I really expect that between the water in the oil and the rust on the cylinder walls, and just the fact that it was apart allowing dust into the innards, even though I kept everything covered with rags, this was just the result of all that.

Other good news was that it went the 850 miles and the oil was still at the exact same level on the dipstick.

Everything is working out well. Also I gained some respect for the M103 engine. Yes they have the valve seal reputation, but this is still another Benz engine that rebuilds well. Some engines lend themselves well to such repairs, and others are made like a dollar watch. I love the way this one comes apart and goes back together. Definitely a rebuildable engine.

Thanks for everyones comments and encouragement,

------------------
Larry Bible
'01 C Class, Six Speed
'84 Euro 240D, manual, 533K miles
'88 300E 5 Speed
'81 300D Daughter's Car
Over 800,000 miles in
Mercedes automobiles
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  #21  
Old 11-04-2000, 02:11 AM
MikeTangas's Avatar
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Join Date: Apr 2000
Location: So. Cal
Posts: 4,430
Larry,

I feel relieved for you. When you said 'metal particles', I envisioned shavings and slivers, basically big stuff. The much finer particles you're describing are, as you already think, probably the result of the rust and down time while traveling. Once everything wears in, and a couple more oil changes pass by, I think you'll have a clean magnet again. Maybe I should try to locate a magnetic drain plug for my 280, just to see how the M117 is holding together. But then again, with no prior history, and unknown actual mileage, maybe I don't want to know.

------------------
Mike Tangas
73 280 SEL 4.5
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