LOW AIR COMES THROUGH THE VENTS - GM Forum - Buick, Cadillac, 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.

LOW AIR COMES THROUGH THE VENTS

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Old 10-14-2002, 11:48 PM
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Default LOW AIR COMES THROUGH THE VENTS

I took the fan out today to check it out and it was fine . What next?
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Old 10-15-2002, 12:03 AM
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Disconnect the battery for 30 minutes to reset the CC computer. If that doesn't work, check you intake below the windshield....might have some organics plugging it. I take it you took manual control of the fan to high speed, not just left it in auto or economy?
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Old 10-15-2002, 05:42 PM
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everubody in the world knows i'm smarter than that , will, come on
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Old 10-15-2002, 06:14 PM
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It could be the Evap/heater core that may require cleaning... they gunk up after a while and prevent proper air flow... ask the Demi god on how to get to it. I still haven't done mine yet.. but I know that would help with airflow for sure. Does it sound like the fan is blowing hard, but just not a lot of air going through?? If that'* it... then I would say that would be the first place I check... by the way Will... Amy is still waiting for your reply on her post
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