LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Rear Main Seal Leak? Symptoms?

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Old 08-22-2008, 11:59 AM
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Steve, while that could be a possibility, there aren't any breathers on the left side cover. I did put new gaskets on the valve covers last week. Maybe the bolts have worked a little loose. I forgot to check them this AM.......
Old 03-31-2010, 08:34 PM
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Did you ever find the leak?
Old 03-31-2010, 08:39 PM
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Old 03-31-2010, 09:09 PM
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WOW, old thread. It was residual oil from the build up. Weird, it was oil just leaving the area. I cant explain it any further, as nothing has leaked since then.
Old 02-09-2011, 06:16 PM
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Originally Posted by Fixxer99TA
A definite rear main seal leak would be oil on the Flywheel/Inspection Cover/Trans (if you drove it, which you did) and you should be able to see it leaking no problem. It could also be residual from when you were working as you only saw one drop.

Put a piece of paper or cardboard on a spot of your driveway you know is not dirty, park the car over it, and run it for 10-20 minutes. If there is a leak, you will know exactly where it is coming from. You could even take it for a ride, and then park it over the cardboard to match exactly what you did before.
I have a 95 T/A got home today and oil was dripping in front of tranny pan. Ive checked on top nothing leaking could it be a leaking rear main seal. It is just dripping like crazy. Just started doing it yesterday. Its really bad today.
Old 02-28-2011, 10:08 AM
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I got some dripping sissues as well. I know my timing cover seal is leaking, and for a safe measure going to do the intake manifold seal. , maybe even the val covers, but because there is some oil around the oil pan my mechanic thinks its the rear main, but it seems like the oil getting in that area is coming from another area and being 'blown' on to the oil pan and other areas. You can definitely see a leak at the front.



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