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Author
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Topic: **** Oil Leak *****
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86 T TOPS
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Member # 8855
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Hey folks I have a 90 coupe that's leakin heavily from the rear oil pan and in between the tranny. When the car is running and level to the ground leaks heavly and oil runs back to the h-pipe causing to smoke heavily, but when I jack it up and and put it on stands the leak suddenly stops..... I havnt had a mechanic stop by to come and check it out yet but talked to a friend who is a mechanic and he suggested it could be the rear main seal. Any suggestions on what I might be folks ??
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TTOPNGT
Posts: 704 | From: redwood city | Registered: Jan 2009
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*Als50*
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Member # 6003
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posted
Rear main seal.
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'00XlRangerSlammed-'91Gt347Turbo-'93CalypsoSCFaleen
FOXLIVESMATTER
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*BlackGunsMatter*
Posts: 1897 | From: La Bahia... | Registered: Sep 2005
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Stangs R Us
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Member # 4495
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posted
Most likely the rear main seal but I would think that it would leak more when its jacked up.
Posts: 3100 | From: sacramento | Registered: Aug 2005
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86 T TOPS
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Member # 8855
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posted
That's what I thought too but I jacked it up and started the car to see where the leak was coming from and sure enough I can see where it was leaking from but it slowed down and also stoped smoking .
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TTOPNGT
Posts: 704 | From: redwood city | Registered: Jan 2009
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SteveL
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Member # 1241
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With the engine running, some blow-by past the rings builds up pressure inside the oil pan and may be enough to open a leak in the rear seal. Also check the PCV valve. If it's clogged you're getting too much pressure in the pan.
Posts: 578 | From: San Jose, CA | Registered: May 2002
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i
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Member # 12534
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posted
Get the one piece rear main seal. Replace the oil pan gasket with one piece also. Its pretty easy to do. The only tool you probably going to buy is a engine hoist (cherry picker). You can also rent one but don't know how much is.
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86 Caged Coupe 5.0
91 Salvaged Coupe
Posts: 1901 | From: Sacramento | Registered: Nov 2012
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86 T TOPS
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Member # 8855
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posted
Is it easier to pull the motor out to replace the rear seal or can it be done to without having to pull it out ?
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TTOPNGT
Posts: 704 | From: redwood city | Registered: Jan 2009
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NEIGHT
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Member # 8741
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You can do it with the motor in the car.
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-Savage Habits-
1992 Summer Edition
1986 Hatch- catfish killer
1964 Impala hard top
Posts: 18528 | From: EA$T $IDE REDWOOD CITY | Registered: Nov 2008
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Wht86drop
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Member # 12104
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Pull the tranny out.
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Jalapeña Red 86 GT Vert
Yellow 72 Chevelle
Rio Red 97 Cobra
High-Output Generations CC
Posts: 1669 | From: East Palo Alto, Fiji Islands | Registered: Jun 2012
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86 T TOPS
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Member # 8855
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posted
Turned out to be the oil pan bought both gaskets and leak is now on just needs to burn all the oil on The H pipe thanks folks I appreciate all the input .
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TTOPNGT
Posts: 704 | From: redwood city | Registered: Jan 2009
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