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  #1  
Old 07-28-2010, 02:36 AM
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Join Date: Nov 2006
Posts: 282
W124 M103 engine oil leak from where?

Hello, if you are trying to find a source of oil leak in a W124 M103 engine, where would you look first? If I park my 1987 260E at a new parking spot at night and come back in the morning, there is a small puddle, about the size of a person's palm right under where the front of the oil pan would be. It appears to have dripped there from somewhere above the oil pan. So far I have not been able to pinpoint it.
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  #2  
Old 07-28-2010, 03:10 AM
Christine in FL's Avatar
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Join Date: Jul 2010
Location: Seminole, Florida
Posts: 63
This might help you out:

http://www.peachparts.com/Wikka/M103TimingCoverReseal

Christine
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  #3  
Old 07-28-2010, 03:18 AM
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Join Date: Jun 2008
Posts: 1,083
My valve cover bolts weren't sufficiently tight on my 89 M103 and there was some leaking occurring out of the front area. There was a head job done on the car years ago before I got the car (no jokes about head jobs please), and I guess the tech was trying to not tighten the valve cover bolts too tight but after a few years they weren't tight enough. I don't think this is a common cure but it reduced my leakage (no jokes please) by about 80%
Regards, Eric
__________________
"I've had the car upside down and still been steering trying to correct it" - R. Petty
89 300E "Benzer1" 15.924 Uncorrected
88 300E "Benzer2"
93 400E "Benzer3" 14.200 U.C.
95 E420 "Benzer4"
92 300E "Benzer5" 16.299 U.C. Future turbo CNG
85 Volvo 744 TD "Bolbo1"
90 Volvo 745 T "Bolbo2"
94 Volvo 854 T "Bolbo3"
01 Volvo S40 1.9T "Bolbo4"
85 Dodge F.B. tow rig "Festus"
71 AMC Javelin AMX 401 "Sidewinder"
74 AMC Hornet 401 "C.K.10" 13.63 U.C.
74 Bricklin SV1 "Presto" AMC 360 pwrd.

Last edited by 400Eric; 07-28-2010 at 07:10 AM.
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  #4  
Old 07-28-2010, 04:42 AM
Gilly's Avatar
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Join Date: Mar 2001
Location: Evansville WI
Posts: 9,608
What Christine posted.....front timing cover "lip" seal is most likely the problem.
Gilly
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  #5  
Old 07-28-2010, 07:16 AM
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Join Date: Jun 2008
Posts: 1,083
Probably, but it doesn't cost anything but a few minutes time to try those valve cover bolts, 80% leak reduction was good enough for me. Allowed me to put time and resources towards making other things better.

Sorry about the joke about no jokes. Didn't know we had any women here. That's a good thing though!
Regards, Eric
__________________
"I've had the car upside down and still been steering trying to correct it" - R. Petty
89 300E "Benzer1" 15.924 Uncorrected
88 300E "Benzer2"
93 400E "Benzer3" 14.200 U.C.
95 E420 "Benzer4"
92 300E "Benzer5" 16.299 U.C. Future turbo CNG
85 Volvo 744 TD "Bolbo1"
90 Volvo 745 T "Bolbo2"
94 Volvo 854 T "Bolbo3"
01 Volvo S40 1.9T "Bolbo4"
85 Dodge F.B. tow rig "Festus"
71 AMC Javelin AMX 401 "Sidewinder"
74 AMC Hornet 401 "C.K.10" 13.63 U.C.
74 Bricklin SV1 "Presto" AMC 360 pwrd.
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