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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.

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Old 11-15-2008, 06:01 PM   #1
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Default Heater core question

I just replaced my heater core and I was wondering if the core is always hot even when I don't have the heat on,or is the coolant directed to the core only when I turn the on heat?
For some reason the core is always on, any help would be appreciated

98 Bonn. SLE
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