Hey there, newbie here. I have a problem with my heater and ac fan blowing when the fan is turned off. I can shut it off for a short period of time by pushing the fan dial??? But then I am constantly pushing the dial every 30 seconds. Sorry it is an 02 S60. Anyone have a similar problem or know how to fix it?

 

Hi I think this is a problem with(Fan Control Modulator) 4/31 located under glove box on passanger side. That usuallyhappens when speed blow motor is notadjasted .That is if your car with Electronic Climat Control (ECC).