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  #1  
Old 12-06-2004, 12:50 PM
Coming back from burnout
 
Join Date: Jun 1999
Location: in the Pacific Northwest
Posts: 2,274
Black spots on the driveway..Leading causes of those spots? (85 300D)

On my 85 300D, I thought I had sealed every spot that could be causing a black spot on my driveway. I had done quite a bit of inspection and research and I thought that by using Lockwashers to mount the IP, I really sealed that joint, which is a big leak contributor...In mind I have id'd these places..anyone know others where I can look? These black spots drive me crazy!!Also they make it look like I am driving some kind of jalopy. If these keep up I am going to try to make my own engine compartment under pan,

a. IP/Engine junction--use lock washers on IP mounting nuts
b. Oil Filter Housing tower--use a good gasket and sealent when remounting
c. The 17mm nut at the back of the oil filter housing
d. Of course, the lower pan
e. Front Crankshaft seal

Any place else?
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  #2  
Old 12-06-2004, 12:56 PM
boneheaddoctor's Avatar
Senior Benz fanatic
 
Join Date: May 2004
Location: Hells half acre (Great Falls, Virginia)
Posts: 16,007
Valve cover gasket leaking down the engine......gasket on the Vacume pump to block.

Steam clean the engine well so you can spot fresh leaks....
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1971 280SE W108
1979 300SD W116
1983 300D W123
1975 Ironhead Sportster chopper
1987 GMC 3/4 ton 4X4 Diesel
1989 Honda Civic (Heavily modified)
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  #3  
Old 12-06-2004, 02:09 PM
TwitchKitty's Avatar
Just fix it
 
Join Date: May 2004
Location: Varies
Posts: 3,321
I have heard, never tried it, to put talcum powder on an area to see if the oil is running. You need a little inspection mirror on a stick if you do not have one.
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  #4  
Old 12-06-2004, 02:55 PM
dmorrison's Avatar
Registered User
 
Join Date: Dec 2002
Location: Colleyville, Texas
Posts: 2,694
Turbo oil outlet to oil pan.
Air filter oil seperator drain tube orings at oil pan.
Air filter oil separator tube not connected properly
Valve cover gasket
Rear main seal
Oil filter to block gasket.
Lower oil pan gasket
PVC tubes going to the air filter oil seperator
Oil filler cap gasket
Vacuum pump to block gasket.


Dave
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1970 220D, owned 1980-1990
1980 240D, owned 1990-1992
1982 300TD, owned 1992-1993
1986 300SDL, owned 1993-2004
1999 E300, owned 1999-2003
1982 300TD, 213,880mi, owned since Nov 18, 1991- Aug 4, 2010 SOLD
1988 560SL, 100,000mi, owned since 1995
1965 Mustang Fastback Mileage Unknown(My sons)
1983 240D, 176,000mi (My daughers) owned since 2004
2007 Honda Accord EX-L I4 auto, the new daily driver
1985 300D 264,000mi Son's new daily driver.(sold)
2008 Hyundai Tiberon. Daughters new car
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  #5  
Old 12-06-2004, 03:00 PM
boneheaddoctor's Avatar
Senior Benz fanatic
 
Join Date: May 2004
Location: Hells half acre (Great Falls, Virginia)
Posts: 16,007
Steam clean the block and pan real clean, watch it every day, look for fresh oil.
__________________
Proud owner of ....
1971 280SE W108
1979 300SD W116
1983 300D W123
1975 Ironhead Sportster chopper
1987 GMC 3/4 ton 4X4 Diesel
1989 Honda Civic (Heavily modified)
---------------------
Section 609 MVAC Certified
---------------------
"He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche
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  #6  
Old 12-06-2004, 03:04 PM
The Warden's Avatar
Certified diesel nut
 
Join Date: Mar 2002
Location: Pacifica (SF Bay Area), CA
Posts: 2,946
Oil cooler hoses, possibly?
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