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  #31  
Old 12-18-2005, 04:42 PM
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Quote:
Originally Posted by Diesel Giant
Unfortunately oil leaks are a genetic rite of passage for ALL Mercedes diesel engines. I dont know why they leak so much, old gasket technology I guess. But dont let it frustrate you too much. Just work on a few leaks at a time and before you know it, they will all be gone.
My 85 300D doesn't leak and it's got over 244K on it. The PO's did a good job keeping on top of things like leaks and since I've owned it I haven't had any leaks develop other than drips caused from spilling oil on the engine during oil changes.

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  #32  
Old 12-18-2005, 05:07 PM
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i agree

they dont normally leak, but an old one usually has lots of seepers.

tom w
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  #33  
Old 12-18-2005, 09:17 PM
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Quote:
Originally Posted by Diesel Giant
...I dont know why they leak so much, old gasket technology I guess.....
As I said earlier, a lot of it stems from blow-by. As the engine ages and wears, more and more of the very high compression in the cylinders gets by the piston rings, and increases the positive pressure in the oiling system. All that extra pressure has to go somewhere.....

Mike
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  #34  
Old 12-19-2005, 07:27 AM
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yeah

i bet you are right. i never put it together though.

thanks for the insight!

tom w

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..I also have a 427 Cobra replica with an aluminum chassis.
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