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Old 01-03-2001, 09:56 PM
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how high engine oil levels damage engine?

might have add a lil too much oil my last oil change..
oil lid said that if oil levels are above max level..engine might get damaged..

how and what parts of the engine will get damaged...?
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Old 01-03-2001, 10:20 PM
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Join Date: Jan 2000
Location: New Bedford, MA USA
Posts: 1,583
What might haapen is the crankshaft counter weights will get into the oil and cause it to foam and possibly drop your oil pressure. Other than that, it might make a mess if it gets into the PCV system. You should just drain a couple of quarts and put it back on the mark.
Jeff Lawrence
1989 300e
2000 Dodge Grand Caravan SE
No matter what you fix, there will always be something else to fix..
"Warranty" is just another way of postponing the inevitable.
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Old 01-03-2001, 10:56 PM
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thanx for answering..
i really appreciate your help..
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Old 01-03-2001, 11:25 PM
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Join Date: Apr 2000
Location: So. Cal
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Just how much did you put in???

Most of the MB engines take in the vicinity of 2 gallons of oil at oil change. That's 8 quarts if you're not using gallon jugs. How many quarts did you put in?
Mike Tangas
'73 280SEL 4.5 (9/72)- RIP
Only 8,173 units built from 5/71 thru 11/72

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Old 01-04-2001, 12:26 AM
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If engine oil levels are too high, the crankshaft counterweights can splash through the oil. This can cause the oil to aerate. This becomes more likely as the RPM's increase, or when the car accelerates or performs abrupt "maneuvers". The oil pump may then pump air instead of oil. This is not good, as air does not lubricate engine vitals nearly as well as oil does. I am not sure of the exact level at which this is a problem in your particular engine, but best to heed mfgs. warnings on such matters.
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Old 01-04-2001, 06:34 AM
Johnson Chan
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Everyone is right. It can be harmful to the engine if you overfill it all the time. You can use the Topsider or loosen the oil drain plug and let some of it out. Just make sure its in the middle of the mark and your good to go. Your engine is not going to seize on you because you overfilled it once, but if you do it all the time, after years it will cause serious damage.
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