Air Vents Not Working


Old 06-06-05, 09:45 AM
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Air Vents Not Working

I have a 1994 GMC Jimmy. It has the slide control for the air. It goes from Off, Max Air Cond, Normal Air Cond, bi level, vent, heat, defrost. The only place air comes out is on the floor or the defrost. It's getting hot here and I want to run the A/C but can't get the air to come out of those vents. Is there a switch or wire connection somewhere I can check?
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Old 06-10-05, 07:06 PM
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Join Date: Jun 2005
Location: Ontario, Canada
Posts: 106
Does the slide feel looser than normal ? If yes, then the little arm has probably come off. The control unit can be removed to check this. Otherwise, since the air doors are probably vacuum controlled on this, you likely have a vacuum line off somewhere up under the dash.

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