radiator fan

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  • P12od
    Advanced Member
    • Mar 2007
    • 109

    #1

    radiator fan

    my radiator fan stopped spinning ...":( any suggestions
    Firetruck?!?!?!
  • Jean
    Moderator
    • Aug 2006
    • 18228

    #2
    I would check if there is power coming to it or resistor first.
    Mtech1 v8 build thread - https://www.r3vlimited.com/board/sho...d.php?t=413205



    OEM v8 manual chip or dme - https://www.r3vlimited.com/board/sho....php?p=4938827

    Comment

    • Mike325
      No R3VLimiter
      • Mar 2006
      • 3685

      #3
      As well as checking to see if it can spin by hand. Do that test with the key off tho. Just in case it turns on.
      Originally posted by cabriodster87
      "Honey? What color is this wire? Is it the same as that one? Are you sure? I don't believe it. OK, it works. Thank you sweetie."
      Originally posted by Kershaw
      i've got a boner and a desire to speed.

      Comment

      • PeaveyBassist
        No R3VLimiter
        • Sep 2004
        • 3511

        #4
        Make sure it spins. Check fuses. Key on and A/C on should turn the fan on. If it spins by hand, no fuses blown and it turns on with the A/C button, you probably need a fan switch thats on the radiator itself. If it doesnt work with the A/C button, leave the button on and the key on. Unplug the fan and at the car side of the plug check for voltage with the key on. If you have voltage, youll need a new fan. If you dont, you have a problem somewhere else.

        Will
        RIP e30 (brilliantrot '91 325i) 11/17/06 Byebye: 8/21/07
        Welcome e30 (brilliantrot '90 325is) 12/23/06
        DaveCN = Old Man
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        Comment

        • Jscotty
          Banned
          • Jan 2007
          • 2285

          #5
          I addition to what has already been suggested, it would be a good idea to apply voltage directly to the fan to see if it spins. Electric motors made of plastic fail regularly.

          Comment

          • nando
            Moderator
            • Nov 2003
            • 34827

            #6
            Originally posted by Jscotty
            I addition to what has already been suggested, it would be a good idea to apply voltage directly to the fan to see if it spins. Electric motors made of plastic fail regularly.
            huh? the motor isn't plastic.. only the fan blade is.
            Build thread

            Bimmerlabs

            Comment

            • Jscotty
              Banned
              • Jan 2007
              • 2285

              #7
              Sorry.. allow me to clarify. The way that the fan encases the motor causes more stress on the motor because the plastic can warp ever so slightly. This in turn makes the motor work harder and because of it, electric motors that are driving plastic parts are more likely to fail.

              Comment

              • nando
                Moderator
                • Nov 2003
                • 34827

                #8
                okay, that makes more sense :p
                Build thread

                Bimmerlabs

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