S2000 Under The Hood S2000 Technical and Mechanical discussions.

Is this normal? (UPDATE)

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Old 03-28-2009, 02:32 PM
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Thumbs up Is this normal? (UPDATE)

I just changed my oil recently and noticed that there is oil residue where the oil pan connects to the transmission. It's almost as if the car is "sweating" oil. It's not dripping or anything. It's just that this area seems "oily". I've noticed this ever since I've been changing oil on my car (about three times now). I this normal? By the way, I don't notice my car's oil level to be going down abnormally. It drinks oil but is within the same amount as others here have reported during spirited driving. Thoughts?

Here is a photo of where the oil residue is mostly concentrated at. There is residue from the surrounding area as well.


I also noticed what looks like cracks in the oil pan. I am not sure if this is just surface blemishes from manufacturing or actual cracks that go through the pan. Any thoughts on this as well?
Old 03-29-2009, 04:58 AM
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I had a V6 accord once that did the same thing around 96000 miles. I kept cleaning it with brake cleaner and thought it was just coming from oil changes. Then I noticed that the oil looked clean as it was "sweating" it. It turned out that my rear main seal to the engine was failing. I know that the S2000 and an Accord are not the same, but the oil was coming from the junction of the transmission and motor. Hope that this is not your situation.
Old 03-29-2009, 10:17 AM
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Hmm. That is disconcerting. Thanks for the reply though. Anyone else have any thoughts?
Old 03-29-2009, 10:19 AM
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BTW, I only have 16k miles.
Old 03-29-2009, 11:27 AM
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It's possible a little oil spilled when filling the car and made its' way to the low point underneath.
Old 03-29-2009, 11:31 AM
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Originally Posted by GoFaassttt,Mar 29 2009, 11:27 AM
It's possible a little oil spilled when filling the car and made its' way to the low point underneath.
I am pretty thorough when changing oil and am sure that it's not from spillage. So I'm assuming everyone else's s2k is not doing this?
Old 03-29-2009, 11:34 AM
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Here is a photo of where the oil residue is mostly concentrated at. There is residue from the surrounding area as well.


I also noticed what looks like cracks in the oil pan. I am not sure if this is just surface blemishes from manufacturing or actual cracks that go through the pan. Any thoughts on this as well?
Old 03-29-2009, 03:41 PM
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The oil looks like pretty common road grime.

The "cracks" look like normal casting marks from manufacturing.
Old 03-29-2009, 04:12 PM
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Originally Posted by negcamber,Mar 29 2009, 03:41 PM
The oil looks like pretty common road grime.

The "cracks" look like normal casting marks from manufacturing.
Thanks negcamber. I hope you are right...
Old 03-29-2009, 06:44 PM
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Check for a leaking valve cover gasket. They will show up in the same location.


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