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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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โˆ™ 2008-06-21 14:36:15
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Q: 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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Cool air flows from drivers side vents and warm air flows from passengers side vents on a 1997 Buick Lesabre?

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


How can you fix your air vents to blow out air on a Buick LeSabre 1992?

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.


Why no heat coming out driver side vents but out passenger side only?

your blend door which cost about $1000-1500


Why do you have no AC in 1995 buick riviera you have new ac control box and passenger side AC works?

== == 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).


In a 1997 Buick LeSabre the ac blows out the defroster for the first 5 minutes then comes out the vents it could be a vacuum leak where do you look for it?

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


Why is the driver side blowing hot air when the air conditioner is on in your 2004 avalanche?

The Avalanche has dual controls for the air conditioning system. One control operates the driver side ac vents, and the other control operates the passenger side vents.


Why does 2000 Buick Lesabre Custom Air Conditioner blow only through defrost vents?

The vacuum supply line from the engine is disconnected or broken. When the vacuum supply is cut off the system defaults to the defrost mode.


Where is the buzzer for the key and lights in a 1989 Buick Lesabre?

Take off the top dash cover.. There are some screws by the defrost vents, take off the tri piece to find those. And then underneath there will have about five more. Look up where the gear shift is to find these ones. Once you remove the dash cover, you will see a red box on the passenger side.


How do you get the air vent in the back seat to work the front seat works well in a 2005 Buick lesabre?

There is a conduit with a fastener at the end. When I obtained my 2005 Buick LeSabre my rear air vents seemed to blow less than I had expected. After further inspection, I discovered that the conduit was not attached to the vent stack. So I played with it until I got it to slide into the vent stack and it seems to work as I would have expected at present.


Why does air conditioning only blow from the defrost and driver and passenger side vents and nothing from the center dash or floor vents on a 500SL Mercedes?

that is the default mode for the hvac, check vacuum line on passenger side of motor, comes for the strut area over to motor, main vacuum hose for system, mine had come loose


1984 buick air conditioner only blows out the defrost vents?

The 1984 Buick uses vacuum lines to change air flow from defroster to ac vents. Check the entire vacuum system for leaks.


How do you take the radio out of a 1992 Buick Estate Wagon?

I don't directly know about a '92 Estate Wagon, but I have a '95 LeSabre, and you have to start by carefully prying up on the vents with a small screw driver to pop them out. Then take out the screws that you just uncovered. This should allow you to remove the black plastic trim piece that spans the whole dashboard. After that, you can get to the screws holding the radio in and just pull it out and unplug it. But like I said, I have a 95 LeSabre, not a 92 Estate, so it could be different, but I hope this helps a little!

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