Quote:
Originally Posted by jmbig
I just started having a similar problem with my '90 300e after changing the oil, but it sticks steady at 3 until it warms up and drops to near 0 when idling in gear and it never did that before. When I give it gas it jumps back up to 3. I plan to change the oil & filter again and, if it's not better, mechanically check the pressure. I'd appreciate any other thoughts. Thanks.
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That is normal and in spec according to MB anything over .7 Bar at idle is normal as long as it pegs 3 when you hit 2000 RPM. Did you use a lighter oil? Is it hot as hell there? When the temp is real hot and the engine equally hot, say near the 100 C mark, the oil thins considerably. You will get lower pressure when this happens but still be within spec. But as long as it is at 3 when you are above 2000 RPM then you have enough pressure and flow.
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~Jamie
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2003 Pewter C230K SC C1, C4, C5, C7, heated seats, CD Changer, and 6 Speed. ContiExtremes on the C7's.
1986 190E 2.3 Black, Auto, Mods to come soon.....
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