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#1
09-05-2009, 07:35 PM
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Smoking 1993 300e M104 2.8
I have some smoke coming off the back of the engine near the fire wall. i just finished my head-gasket replacement, so i know for sure that this not something related to the head gasket or the valve cover ( i checked, everything is nice and clean)...the smoke smells like burning oil, and it appears when the car sits for a couple of hours or even over night.....this problem was in the car when i bought it in July, and i assumed that it was related to the large amounts of oil coming out of the head-gasket. but i guess not....
so what else can leak oil back there? something should be leaking on the exhaust or on a very hot object to cause such smoke......smoke disappears after a few minutes... any ideas? transmission is fine and car shifts and drives perfectly and smoothly.... Hopefully no more major work as the head-gasket really drained me out.... thanks,
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1993 300E, 2.8 M104 ..... 
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#2
09-05-2009, 10:50 PM
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Its gotta be the valve cover. I'm not sure about the M104, but the M103 has a semi-circle at the back which tends to flop out of place. I'd start by resitting the gasket first before doing anything else.
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2016 Monsoon Gray Audi Allroad - 21k 2008 Black Mercedes E350 4Matic Sport - 131k 2014 Jeep Wranger Unlimited Sahara - 62k 2003 Gray Mercedes ML350 - 122k
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#4
09-05-2009, 11:24 PM
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Quote:
__________________
2016 Monsoon Gray Audi Allroad - 21k 2008 Black Mercedes E350 4Matic Sport - 131k 2014 Jeep Wranger Unlimited Sahara - 62k 2003 Gray Mercedes ML350 - 122k
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#5
09-06-2009, 12:31 AM
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yes, the smoke is coming from the passenger side mostly. i did suspect the valve cover and i used a telescopic mirror to check the back of the head...all is excellent back there....
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1993 300E, 2.8 M104 .....
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