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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.

Low Air Flow

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Old 11-08-2009, 10:23 AM
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Default Low Air Flow
not much air flow from the center vents. the floor vents have a ton of flow . the defrost vents is ok but not like the floor vent . this has the manual controls . this on 99 SE.
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Old 11-08-2009, 10:49 AM
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Air flow out the defroster and floor vent with not being able to get airflow out the front vents is a default mode when there is a problem. Read this thread:

https://www.gmforum.com/t279092/
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Old 11-08-2009, 11:25 AM
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thanks nice thread . will check it out
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Old 11-08-2009, 11:57 AM
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Let us know how you make out.
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