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Why would a 94 Buick LeSabre AC blow cold air on the driver side and back vents and blow hot air on the passenger side?

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2008-06-21 14:36:15
2008-06-21 14:36:15

there is a blend door not operating properly the dash will have to be removed to repair most likely Read this article: http://www.imcool.com/articles/aircondition/fix_vacuum_line.htm I'm having the same problem. Jim

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Make sure refrigerant is fully charged. Does it have dual climate control? Perhaps passenger side sensor is not working properly

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Under the hood in front of the transmission dip stick is a vacuum line. If it is disconnected or split it will make the air vents not work. If that's not it check your fuses.

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== == There are three electronic actuators under the dash: one is for the defroser, one is for the bank of four passenger vents and one ( this is you) sends air to the two driver side vents, the two mid-dash vents and the two rear vents. Either this actuator is faulty, or there's a problem with the electrical delivery system; mainly, the whole climate control panel in your dash (dealer cost: about $700.00).

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I just fixed a similar problem on my 95 LeSabre, got info from this website. http://www.imcool.com/articles/aircondition/fix_vacuum_line.htm


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