Air conditioner/heat does not blow - 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 07-21-2005, 06:17 PM   #1
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Default Air conditioner/heat does not blow

EDITED - See my last post to avoid confusion.
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Old 07-21-2005, 07:06 PM   #2
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Try going to the blower motor and tapping it see if it moves when it not working. If does work the blower motor is bad.
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Old 07-21-2005, 07:11 PM   #3
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sounds like th blower motor has an intermittant short or an open coil in the windings.. causing random circuit failure and power drops
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Old 07-22-2005, 12:32 AM   #4
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Do you have climate control, or manual heating & cooling? If you have climate control another potential problem could be the fan control module. If you have manual, it could be the resister pack which regulates fan speed. Or like mentioned above the fan itself could be at fault.
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Old 07-22-2005, 10:46 AM   #5
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Old 07-22-2005, 10:49 AM   #6
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Old 07-22-2005, 12:28 PM   #7
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I'm gonna second (third? more?) the blower motor. First, it'* the easiest fix and secondly, most probable. The resistor pack, in my mind anyways, just wouldn't act the way you described the issue
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Old 07-23-2005, 08:24 AM   #8
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I recently had the same problem please if you find a fan motor and the part number, please let me know, I need a new one as well.. even thru junkyards, or internet..
I also put my thread just now and I saw yours I hope you fix it, I'll let you know If I do.

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Old 07-23-2005, 04:55 PM   #9
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could be the felt on the end of the blower motor is wore tap it ,chech it is fully plugged in........on firewall under hood.....a quick fix is to drill a hole in the top of the nipple of the fan and put a couple drops of oil in it and it will work
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Old 07-25-2005, 10:31 AM   #10
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