oil leaking from top of dipstick......please help - Page 2 - Mercedes-Benz Forum

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post #11 of 15 (permalink) Old 06-23-2012, 05:11 PM Thread Starter
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I took a look through my WIS for inlet/exhaust valve gaps for your M111 engine, and there is no information.

There is reference to a device referred to as ' hydraulic valve clearance compensation element' that would seem to fit between the valve stem and the camshaft. Does that make any sense?
no, sorry keyhole i have no idea what that is. also thanks for the files it really helped me understand more about the engine and where everything is.
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post #12 of 15 (permalink) Old 06-23-2012, 05:13 PM Thread Starter
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well, just a thought. is it possible for my cats to be clogged?
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post #13 of 15 (permalink) Old 06-23-2012, 06:08 PM
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no, i havent done the compression test yet. can that be done on a disabled vehicle? or does it need to fire up?
It is normally performed on a pre-warmed engine. All the plugs are removed, and the ignition & fuel injection systems disabled. Then the compression tester is inserted into each plug hole in turn, and the starter is used to spin the engine to complete the compression test. On your cold engine I don't think the results would be valid.
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post #14 of 15 (permalink) Old 06-23-2012, 06:29 PM
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Insult away, it's no big deal , all of us learn from these forums, there are no stupid questions. Keyhole is right compression test should be done on warmed engine, but in your case, as it would confirm bad rings or worn bore( I'm leaning towards rings), I might say just pull plugs squirt a little oil in cyl crank over a few seconds and see what the numbers tell you , example, if one is at 135 and all the rest are at 90, it's worn out, it's not exact measurement just a ball park idea, so you can gage your next move, if you want to keep car. You said it's not running, does it turn over, it's possible you've spun a bearing on crank/rod if you pumped all the oil in the engine out, if that's the case, engine is pretty much toast.
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post #15 of 15 (permalink) Old 06-23-2012, 06:31 PM
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well, just a thought. is it possible for my cats to be clogged?
That would not manifest itself in this manner. It would appear as not having any power.
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