L27 Gaskets Shot - 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 09-18-2005, 06:48 PM   #1
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Default L27 Gaskets Shot

Leaking bad now.

It has gone thru a whole overflow bottle in a month.









I am fairly certain it is the upper gasket
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Old 09-18-2005, 07:56 PM   #2
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Have you looked at your oil or under your radiator cap?
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