uga487 Posted October 13, 2014 Report Share Posted October 13, 2014 Hello, first time post. looked around and everyone seems very helpful. I just acquired a 1994 Fleetwood Brougham. the ac was low on freon so we topped it off and everything was fine for a few days. One afternoon went to start it up, the Air Climate Control (ACC) head unit came on when the key was turned to on position just like it is supposed to. It shows outside temp, but this time a buzz sound come from under the passenger dash and once the car was cranked the ACC head unit display went blank and the buzz under the dash got louder. Also the ac compressor clutch would randomly turn quickly off and on. There is a few vacuum hoses found running to what seems to be small round pumps? we took the black box apart to see what was inside and there are 5 round copper coil pumps or some kind of sensor which is making the buzz sound. when we took it apart there seemed to be a cork like material on the top and it was so brittle it fell apart. Any help would be very appreciated. Thanks Quote Link to comment Share on other sites More sharing options...
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