Hi...I have a '93 loyale. The 4-position fan dial recently quit in all positions, but will work if I push it toward the dash. When I let go, the fan stops. Is this a simple matter of yanking off the knob and replacing the switch? Many thanks.
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Re: Heat dial only works when "pushed" toward dash.
Sounds like your brushes in the heater blower (remove molding panel BELOW glove box) 3 screws and a connector. If you have the original siemans motor still the brushes are at Ace Hardware use the EC type compound the are the OEM type
637 or 367 ?? which ever has SIDE wire NOT back wire. This motor brush assembly is separate so no problem putting back on THEN cover cap easy job 30 mins (on the loyale 93 you DON'T have to remove the glove box)
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Will your blower fan kick on in the medium position by chance? Med/ med high..if it is a 4 position switch, does it operate in the number 3 position? If so it is probably your blower motor resistor. If not, I would test the blower motor itself. Since the compressor kicks on when you turn the fan on, I would think the switch is working.
this sounds like a bad blower motor resistor that is bad and only working when the switch is put in the 4th position. the resistor has resistors wires in it that respond to the path of power through fan switch on the dash, depending on which fan speed you need.
hi power steering and alternator belt tensioner is located on top near alternator and aircon belt tentioner is located at the front of engine covers down by radiator fans, hard to see and tight to get into
Replace the fan resistor in the heat/ac box, passenger side, under the dash, should be a plug with several wires on it. After you pull the plug off there will be a couple of screws that hold the resistor in, take it with you to the parts store, or dealer. to make sure they give you the right one, because electrical parts are not returnable.