replaced water pump found some oil in the water pump cavity - 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 09-13-2006, 11:37 AM   #1
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Default replaced water pump found some oil in the water pump cavity

ok I forgot about this. I changed the water pump in the parking lot at work a few weeks ago the water pump pulley blew up as I was pulling into work.

so I had pulled off the water pump after a lot of pissing and moaning about having to remove the engine mount at work with out the proper tools! errrrrrrrrr what a stupid design about as bad as my 99 malibu take the engine mount apart to change the serpintin belt.
anyway I found drops of oil in the water pump housing. Does this mean I have bad head gaskets or getting bad? possible intake gasket?
I have change the oil every 3000-5000 miles and never see any coolant in the oil and I do not see any foamy bubles that you might see in the reaidator when the oil is in there.
what do you think is causing this and what should I do?
I am very cabable of doing any work to this car myself.
Thanks for the info
Chad
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Old 09-13-2006, 11:49 AM   #2
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It is more likely that you have a failed lower intake manifold (LIM) gasket. Head gaskets on these engines are much less likely to fail. LIM gasket change is not too expensive or difficult.
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Old 09-13-2006, 12:08 PM   #3
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I have heard the lower one goes bad. Now how can you tell for sure which one it is? I would hate to have it all apart and have the head gaskets be the bad part and not changed it when I was in there.
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Old 09-13-2006, 12:15 PM   #4
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Honestly..it'* tough to tell. The best way to tell is pull the intake and look for signs of leaking.
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