96 L36 & disappearing oil - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 04-14-2005, 12:07 AM   #11
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Yes, you can buy flourecent dye to help track it down. Not sure where but I would suspect Napa or such. You must be leaking it because as mentioned if you were burning it you'd be smok'in pretty bad at that rate.
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Old 04-14-2005, 02:52 AM   #12
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Originally Posted by Hans
I am guessing it is a crack or hole around the filter.........that occurs only when the pump is on.
I agree. The leak must be such that it sprays downward onto the road when you are driving. Even so, it is hard to imagine that you don't see a splatter pattern under the car behind the filter with such a rapid rate of loss. Do you see this? Is the new filter wet? Have you tried running it in the driveway and watching closely? Put it up on stands or on ramps? The oil pressure relief valve should open at about 60 psi. Maybe your relief valve is periodically sticking closed and allowing intermittent high pressure to build which then blows oil out through a small crack, or past a gasket that is OK under normal pressure.

[edit: Don mentioned the sending unit. They can come unsealed and leak under high pressure, too. All this stuff is in the vicinity of the oil filter, so it seems some careful observation ought to pinpoint the problem.]
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Old 04-21-2005, 01:53 AM   #13
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Thanks for the info everyone.

I pulled a spark plug and it was normal.

My wifes dad went into the hospital this past friday with heart problems (surgery is wednesday) and I haven't had much spare time since.

the funny thing is that it hasn't lost a drop since my last post, I check it daily.

My wife always lets it warm up to the 1st bar on the temp guage and there is no smoking or puddles in the driveway. Whatever it was seems to have sealed itself.

the old filter I took off was covered in oil, so I'll look at the new one this weekend too, and check the other items around there.

Thanks again
Popa Tim
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Old 04-22-2005, 11:55 AM   #14
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if it comes back get the stop oil leaks stuff from NAPA or KOI and see if it seals it works im going to check mine as soon as i can i had a problem like this but no where near as quick
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