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  #1  
Old 12-03-2005, 04:59 PM
TheDon's Avatar
Ghost of Diesels Past
 
Join Date: Oct 2005
Posts: 13,285
om617 rear main seal question

i ran my car in the driveway today to work on the vaccuum locks which nothing is wrong with them at all but i ran it for 5 minutes and then shut it down.. i just walked by and noticed a small fresh oil spot the sized of 2 quarters next to each other...

it looks like its dripping from where the transmission mates with the engine. the whole back of the block is coated in an oily sand like crud but the front isnt nearly as bad.. is this the rear main seal going or the person who put the new transmission in fault? if i can get the place from the p/o that put the tranny in to fix it because it is their fault ill live but i dont want to take the whole engine tranny out for a stupid seal.. but if it has to i will as soon as i can
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  #2  
Old 12-03-2005, 05:41 PM
t walgamuth's Avatar
dieselarchitect
 
Join Date: Apr 2005
Location: Lafayette Indiana
Posts: 38,938
are you sure it is the rear main?

sure it is in fact engine oil? black? not reddish?

the rear mains dont often leak.

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  
Old 12-03-2005, 05:42 PM
TheDon's Avatar
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it is black
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  #4  
Old 12-03-2005, 05:55 PM
boneheaddoctor's Avatar
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Location: Hells half acre (Great Falls, Virginia)
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Sure its not the valve cover gasket leaking in back....of the oil filter housing gasket at the block?
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  #5  
Old 12-03-2005, 06:07 PM
TheDon's Avatar
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ill check those out... i bet it could be the valve cover seal because both sides are covered. i just need some $$$ to get parts and crapola

this car still isnt registered im waiting for the title in the mail form the p/o
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  #6  
Old 12-03-2005, 06:19 PM
boneheaddoctor's Avatar
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Location: Hells half acre (Great Falls, Virginia)
Posts: 16,007
Quote:
Originally Posted by TheDon
ill check those out... i bet it could be the valve cover seal because both sides are covered. i just need some $$$ to get parts and crapola

this car still isnt registered im waiting for the title in the mail form the p/o
Degrease the engine....will make finding oil leaks far easier.
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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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