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Old Dec 31, 2008 | 11:49 AM
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Default simple question

can anyone tell me what this is and why after an oil change i have an oil leak.
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Old Dec 31, 2008 | 11:55 AM
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The thing in the second picture is the starter. It should not be leaking oil as there is no oil that goes to that. The first picture is of the bell housing.

Those little metal plug/covers can be taken out so you can look up in there and further investigate.

Did you or someone else change the oil?
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Old Dec 31, 2008 | 11:56 AM
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i changed the oil. it was pennzoil 10w-30 full synthetic and a k&n oil filter.
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Old Dec 31, 2008 | 12:03 PM
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Does it continually leak or was it just after you changed the oil. It might just be frame drippage. I havent seen under an ls1 but it could be that you spilt some oil putting in the engine or when you removed the filter it splashed some on the block and now its running down.
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Old Dec 31, 2008 | 12:03 PM
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i went to investigate the cover on the bell housing and nothing but dust and dirt. no oil in there. it has to be running from up top. but dont know where
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Old Dec 31, 2008 | 12:05 PM
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well it seems to be alot. alot more than i might have spilt. the funny thing is the oil level seems level/full without adding since change which was 1500+ miles ago

Last edited by blackodium; Dec 31, 2008 at 12:06 PM. Reason: cant spell
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Old Dec 31, 2008 | 12:07 PM
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Could be valve cover gaskets leaking a little. I dont know if ls1's do it but ive seen some oil caps on older chevys leak a little.
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Old Dec 31, 2008 | 12:10 PM
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i actually thought that to. but of course it would not be that simple
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Old Dec 31, 2008 | 12:12 PM
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can you see it leaking from anywhere up top
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Old Dec 31, 2008 | 12:13 PM
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There are a few things up top that will allow oil to leak. Check around the covers and the pcv hose in the back on the driver side valve cover.
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Old Dec 31, 2008 | 12:14 PM
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ok ill check but keep it coming
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Old Dec 31, 2008 | 12:19 PM
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well if its the back of the pan by the bell housing where it is leaking it could be a rear main seal but i havent been around ls1's really at all.
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Old Dec 31, 2008 | 12:28 PM
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i dreaded hearing that. i thought that the first time i seen the oil. but it has 67,xxx miles.....
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Old Dec 31, 2008 | 12:43 PM
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well i hope that isnt the problem.
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Old Dec 31, 2008 | 12:51 PM
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by the way awesome car!
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Old Dec 31, 2008 | 12:53 PM
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leaks always go back and down from gravity and wind. look for the most forward and highest point that is wet with oil and there is your leak. if confused wipe everything dry and drive it awhile and look again.
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Old Dec 31, 2008 | 01:03 PM
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I have wiped it down on the bottom but they reappear. as far as the top goes nothing in sight
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Old Dec 31, 2008 | 06:54 PM
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look from the bottom and find the furthest point forward that is wet with oil. then look for the highest seal or gasket thats wet from that point. there is your leak. dont look at the frame or anything else. look at the motor.
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Old Dec 31, 2008 | 07:01 PM
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ok we will see what we can find
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Old Jan 1, 2009 | 01:47 AM
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Originally Posted by blackodium
well it seems to be alot. alot more than i might have spilt. the funny thing is the oil level seems level/full without adding since change which was 1500+ miles ago
If it's not missing a noticeable amount of oil after 1500 miles I wouldn't worry about it. It's probably just crank seal seepage. Were you running synthetic before? Sometimes switching to synthetic will reveal leaks that were not noticeable before.
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