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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 05-10-2010, 08:33 PM   #1
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My bonneville has digital climate control and when I turn it on nothing comes out of the vents. No matter what setting I have it on nothing comes out. I did notice once that when it was on and not working it smelled like something was burning coming from the vents.
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Old 05-10-2010, 08:37 PM   #2
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Does the blower motor spin? You will hear it if it'* on. Could be the blower motor is dead.
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Old 05-11-2010, 01:17 AM   #3
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I think the blower motor is dead because i dont hear anything when i turn it on.
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Old 05-11-2010, 02:11 AM   #4
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That would certainly be my guess. I had a similar issue in my GP, where my air/heat would only work on settings 1 and 5. Turned out my blower motor resistor went bad. Not sure if bonneville'* have the same part or not. It was fairly cheap to fix in my case. Getting to it was a different story...
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Old 05-11-2010, 02:50 AM   #5
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Don't be confused: a dead blower motor may move a tiny amount of air at highway speeds. But if you're changing the fan speeds and getting no more/less air, then you may very well have a dead motor.

To test your maxifuses, grab a multimeter and check for voltage at the blower motor connector. If there is no voltage present, then you have an easier repair; it means that a maxifuse or a relay is kaput.

Otherwise, your blower motor is that bump in the center of your firewall. There'* a fragile plastic cover and vacuum hose over it. A little ratchet work will get everything in and out. You may have to loosen a bracket and remove the strut tower bar if you don't have tiny hands. I did this repair on mine; it'* easy, but you may have to struggle with it (at the GM plant, I think the blower went in before the engine).
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Old 05-12-2010, 02:00 PM   #6
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On the highway I do feel a little air coming out but when I use the controls and play with the settings nothing happens. I will look to see if I can get to the blower motor to replace it cause it really seems like thats the problem.
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