Question about 2000 Buick LeSabre
Non-functioning AC system was recharged the system but is only partially working. It now blows semi-cool air on the passenger side but warm on the driver's. When set on normal it sounds ok but on max it sounds restricted. Is there a door or flapper in the duct that is stuck?
Yes there is both a door and a flapper you have a problem with a blend door motor, it is not switching to cold it is half open and half closed so you need to replace the motor vacuum motor it is under the dash near the heater on the passenger side and if it is the other motor under dash you will have to take part of the dash apart to get to it, to test buy a piece of vacuum hose 1/8 inch diameter about 3 feet long and you can hook it to each of the vacuum motors and **** on the end of the line to see which one is causing you the problem, also could be the control head for the AC inside the car where the controls are, you have to remove the ac cluster ot get to the vacuum switch it's all vacuum operated and if you pull it out you will be able to here an audible sound of air leaking if it's the switch.
Posted on Jun 17, 2009
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Posted on Jan 02, 2017
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