Found a puddle of oil... - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 09-03-2006, 11:00 PM   #1
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Default Found a puddle of oil...

Yup I found a puddle of oil behind the UIM and the alternator, I've been losing maybe 1/2 to 3/4 quart of oil in 3000 miles, is this a bad valvecover gasket? I'll take pics of it.
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Old 09-03-2006, 11:01 PM   #2
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Default Re: Found a puddle of oil...

Quote:
Originally Posted by fuelforthesoul1999
Yup I found a puddle of oil behind the UIM and the alternator, I've been losing maybe 1/2 to 3/4 quart of oil in 3000 miles, is this a bad valvecover gasket? I'll take pics of it.
are you saying that the "puddle" is in the engine bay or on the ground?
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Old 09-03-2006, 11:05 PM   #3
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It'* puddled up above the valve cover between the UIM and valve cover. I am talking to him on AIM

I suspected a soon to be UIM failure.
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Old 09-03-2006, 11:08 PM   #4
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proabably :(
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Old 09-03-2006, 11:26 PM   #5
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The first one is to show where the location is
Look below the alt, you can see the shimmer or reflection


The second one is a close up



Gearheads?
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Old 09-03-2006, 11:33 PM   #6
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A bad valve cover gasket will generally leak out of the bottom, not the top. Could be the UIM gasket, or maybe the LIM gasket. It may be seeping its way up the bolts.
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Old 09-03-2006, 11:49 PM   #7
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Cody is on his way out with a papertowel to see what this really is.

Best way to find out is dip the towel in it.. then look at consistency and color.
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Old 09-03-2006, 11:56 PM   #8
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Quote:
Originally Posted by BillBoost37
Cody is on his way out with a papertowel to see what this really is.

Best way to find out is dip the towel in it.. then look at consistency and color.
Here'* my finding, it'* dirty which at first made me think oil but I noticed how far up the towel it traveled, it is not oil because it couldn't have traveled that far so I'm saddened to say it'* coolant
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Old 09-04-2006, 12:05 AM   #9
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I was afraid that it might be. That seems to be one of the places it likes to collect when the lower starts to leak. Can seep up the bolts, or the top of the gasket.
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Old 09-04-2006, 12:28 AM   #10
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Quote:
Originally Posted by Archon
I was afraid that it might be. That seems to be one of the places it likes to collect when the lower starts to leak. Can seep up the bolts, or the top of the gasket.
That'* exactly what happened with mine... I ended up replacing both the UIM and LIM gaskets...the LIM wasn't leaking, but was worn very thin in places and would have been next.

Sorry to see you've got it...but darned glad to see you've found it. Have you been losing coolant for long? You're at college, right? Do you have anyone who can do it for you? Is this something we can do at NYBF? If not, I can check with the mechanic that did mine.... he was very fair in his price, knows these engines like the back of his hand, and was quick...I think it was around $425.
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