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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.

Coolant leak at top of engine (PICS)

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Old 11-07-2007, 08:02 AM
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Considering the miles and condition, you might also need fuel injector o-rings. It would be a very good idea to replace them now as well.

Not just where they plug into the LIM. Do the rings in the rail also. 2 per injector.
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Old 11-07-2007, 05:11 PM
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I had that on my 98. Turned out the LIM gasket needed replacement (SC gasket was replaced in the process of getting to it).
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