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arochard 05-12-2000 10:34 AM

Upon trying to troubleshoot my shaky engine block, I have noticed that when checking my oil level, the dipstick is covered in oil, about half way up and I have to wipe it and re dip it to check the proper level.

Is it normal for the oil to travel so far up the dipstick in these older cars or do I have a potential problem with some gaskets?

Just wondering.


1976 230.4

Ken C 05-12-2000 04:58 PM

On my (four) MB's (albeit newer than yours -- e.g., '84 through '90), I haven't seen the oil splashed that far up the dipstick. In any case, the one truest determination of oil level is (as I'm sure you know) measuring it on level ground, with the engine off (after fully warmed up) for about 2-4 minutes. The dipstick is calibrated for this amount of time delay (of "dripping" down from the upper parts).

Roger 05-12-2000 11:50 PM

Hi Aaron,

It may be comparing apples and oranges but my '75 240D is the same way. Sometimes I have to stick and wipe more than once to get a good, distinct level indication -- and that is with really black oil, and I know my block is sound.
Good luck with your block!


arochard 05-13-2000 12:19 AM

Thanks, I could use some peace of mind.


be459 05-13-2000 12:29 AM

I think your crankcase pressure is too high pushing air out thru the dipstick tube. There are two reasons that I can think of causing high crankcase pressure in a gasolin engine: a bad PVC valve or a worn out engine (too much blow-by).


[This message has been edited by be459 (edited 05-12-2000).]

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