It died and won't start. Now have new motor and now this... - Page 4 - 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 04-20-2007, 04:07 AM   #31
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Here'* some pictures. Had a LOT more, but they turned out horrible...

Here'* the fantastic gaskets I replaced....


Couple shots of the L.I.M. (Didn't think to take any before we put it in, so I don't have any of the ports on camera...)



Mostly back together at this point.


Everything is now back together, and I'm really fearing that it'* seized..... We tried to turn it like suggested, and it didn't budge. Couldn't get much leverage but it should have at least moved a little....
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Old 04-20-2007, 08:53 AM   #32
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Were all the plugs and belts already on the motor?
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Old 04-20-2007, 04:52 PM   #33
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All disconnected.... Still wouldn't budge.
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Old 06-27-2007, 10:28 PM   #34
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Another update....
Did everything suggested, and still nothing, same thing. I decided just to get a used motor so I tore it back down completely today, decided to clean the parts I'm keeping and re-using, and there'* a lot of coolant in the front valve cover........ WTF!!
Don't know where it came from, but it'* definately coolant, and quite a bit of it too.
How could coolant get into the valve cover!?? The gasket is fine...
BTW, the first time it was torn down, only the rear cover came off because it need a desperate cleaning, so the front was never touched
Any more help is greatly appreciated
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Old 06-28-2007, 08:48 AM   #35
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Quote:
Originally Posted by '96BonnevilleL67
Another update....
Did everything suggested, and still nothing, same thing. I decided just to get a used motor so I tore it back down completely today, decided to clean the parts I'm keeping and re-using, and there'* a lot of coolant in the front valve cover........ WTF!!
Don't know where it came from, but it'* definately coolant, and quite a bit of it too.
How could coolant get into the valve cover!?? The gasket is fine...
BTW, the first time it was torn down, only the rear cover came off because it need a desperate cleaning, so the front was never touched
Any more help is greatly appreciated
Dare I say it....cracked heads?!? It'* extremely rare on our cars, but yeah.
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Old 06-28-2007, 09:40 AM   #36
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I have heard that 96 and 97 L67 are known to crack heads.. I thought it was a compression issue, not a coolant leak issue.

I'm in the same realm as Wildman.. it seems like a head must have had an issue.
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Old 06-28-2007, 05:21 PM   #37
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Do I look for actuall physical cracks?
And would there be any other way coolant could get there?
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Old 07-01-2007, 11:12 PM   #38
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???
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Old 07-01-2007, 11:17 PM   #39
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Cracked heads are such a remote possibility, I wouldn't even waste my time looking.
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Old 07-01-2007, 11:18 PM   #40
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Quote:
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Cracked heads are such a remote possibility, I wouldn't even waste my time looking.
Gasket, then?
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