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Registered User
Join Date: Jul 2012
Posts: 171
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help?
started my baby this am. the oil pressure is at 4 at idle but the oil sump tank is at zero. Is is possible that whatever valve or whatever that controls when the oil goes to the tank and when to the engine is stuck shut and the oil is all in the engine?
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Just some guy
Join Date: Nov 2011
Location: Santa Rosa, CA
Posts: 111
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I'm wrong frequently, but I think that's to be expected when cold. You have to be at hot idle to check the oil.
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Registered
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Very normal,..it's what happens afterwards (at temp) that matters...........You would hope that starting oil pressure is high (ahem!)... I wouldn't go as far to say that "the oil sump tank is at zero",..when you mean, in fact, the "instrumentation" is reading zero. (Big difference).
BEST! Doyle
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Recording Engineer, Administrator and Entrepeneur Designer of Fine Studios, Tube Amplifier Guru 1989 Porsche 911 Carrera Coupe 25th Anniversary Special Edition Middle Georgia |
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RETIRED
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Oil is checked when the engine is running, at temp and level ground. Your TEMPERATURE gauge should read around 9 o'clock. Oil should be 1/2 way between the tow lower marks on the dipstick.
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1983/3.6, backdate to long hood 2012 ML350 3.0 Turbo Diesel |
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Registered User
Join Date: Jul 2012
Posts: 171
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make my day?
Thanks guys. Now, at idle, with engine warm (never really at 9:00, but at the next lower hash marks, the oil on the dipstick is not easy to read at all. New oil, clear. It appears to be about half way between the bottom and top marks but could be more as there seems to be a run of oil up half of the dipstick to about 3/4 the way up to the high mark. It seems the stick is rubbing along the tube or something on the way in or out and not coming out clean. comments? Is it possible, just possible,impo that instead of having the dreaded valve guide issue, that I simply have the ubiquitous overfilling issue (re: smoke with warm engine particularly after hard driving)?
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