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#1
03-21-2007, 09:37 PM
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Failing head gasket? M112
1998 E320 115k = I have the same issue as the person in this thread:
http://www.peachparts.com/shopforu...d.php?t=145895 It's a yellow, butterscotch-pudding-like concoction that is collecting just inside my oil filler cap. The difference between the previous poster and myself is, I drive enough to heat up the engine thoroughly and I fear that it's a leaking head gasket. (even though my coolant level does not seem to be dropping) Is this a symptom of a head gasket allowing coolant to enter the engine oil? What other symptoms would I be seeing if it was a head gasket?
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1998 E320 4-Matic Wagon 
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#2
03-21-2007, 10:27 PM
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you can get this from lack of proper crankcase ventilation too. so i would check the ventilation system for clogs.
i had this on my 76 volvo with the renault v6. scary til i found the plugged vent tube. tom w
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.  [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis.
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#3
03-22-2007, 07:27 AM
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You are coming off of Winter in a not so warm climate area. Get the engine piping hot and change the oil, with a long drain cycle, at least an hour. This is not at all an uncommon condition this time of year.
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#4
03-22-2007, 08:17 AM
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Thanks for the replies Tom and Larry!
It is a little comforting to hear that two of the forum's senior members are not leaning toward head gasket ($$$). Larry - in the thread I quoted, MBDOC says that if you drive long distances at highway speed (I do everyday), that the condensation will evaporate. Is it possible that the condensation will remain even after long daily drives? Additionally, this is the first winter that I have experienced this condition. Tom - anything else to check *besides* the PCV valve? I'll implement both suggestions and get back to this thread with a result.
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1998 E320 4-Matic Wagon
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#5
03-22-2007, 10:44 AM
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Send a sample of the oil out to the lab and you will know for sure. See if they red flag it for coolant.
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1999 SL500 1969 280SE 2023 Ram 1500 2007 Tiara 3200
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#6
03-22-2007, 11:53 PM
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what oil did you use ?
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New Addition to the family 2013 Passat TDI 5Miles 2004 E500 4MATIC Wagon 95k 1996 E300 Diesel 173k Sold 1993 300E 2.8 230k Sold 1994 E320 White Wagon 373K Sold Still dreaming about ....500E Radu Negru
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#8
03-26-2007, 04:11 PM
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usually if your coolant level is not going down then the moisture source is from the air.
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David S Poole European Performance Dallas, TX 4696880422 "Fortune favors the prepared mind" 1987 Mercedes Benz 420SEL 1988 Mercedes Benz 300TE (With new evaporator) 2000 Mercedes Benz C280 http://www.w108.org/gallery/albums/A...1159.thumb.jpg
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#9
03-26-2007, 08:59 PM
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That's good to hear - my coolant is still at normal level so I've got that going for me. Weird thing is, this is the first winter I've seen this and it's A LOT of the yellow gunk. I check my oil approx every 2 weeks and I get about 1/4 cup of that crap out of the oil filler neck.
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1998 E320 4-Matic Wagon
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