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ENGINE fan help

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    #1

    ENGINE fan help

    hey guys, i ended up taking out my driver-side radiator fan a while back because it broke. I still have the passenger side fan in and connected to the driver-side fans electrical plug. The funny thing is, it never turns on. If i let my car idel for 7 min's or longer my temp starts to rise. correct me if im wrong but the passenger side fan is for the AC? my ac is shot so i just plugged it into the Driver-side fans plug.


    Does anyone know of a simple solution to get this fan to turn on? I know it works because ive put it on a 12 volt and it runs just fine.


    Temp sig, cars almost done
    Tags: None
    #2
    Also, not a thread jack, but both of mine RARELY come on. ONLY when I use my ac does either of them come on...but my car has never over heated and temp gauge never goes above halfway. Don't know if cd5s are different or not, but...

    Comment

      #3
      Originally posted by BatmanCB7 View Post
      Correct me if im wrong but the passenger side fan is for the AC?
      LHD or RHD?
      The A/C fan is the smaller fan.

      Have you tested the fans (by applying 12v to the motor) to check if the fan motor is faulty?
      Have you checked the fuses?
      Sometime the coolant temp sensor can go faulty, and cause the fan not to run, If you bypass the temp switch and the fan runs that will test the rest of the circuit as OK.


      Car Safety / General Servicing Checks --------Basic suspension checks

      My 5.7 LS1 Holden Ute

      A "Finished" project car is never finished until its been sold.

      If at first you don't succeed, Try again. Don't give up too easily, persistance pays off in the end.

      Comment

        #4
        Thanks Evil demon, ill have to bypass the fan switch. My car is left hand drive, USDM. So i removed the smaller one, i still have the big one in there, the one that is right below the inlet on the radiator.


        Quick question, how do i bypass the fan switch? =/


        if the fans are suppose to turn on after the car is off, mine used to do that a long time ago when i bought the beast, but now its silent, maybe this can be the cause of my shitty compression?


        Temp sig, cars almost done

        Comment

          #5
          Originally posted by BatmanCB7 View Post
          Quick question, how do i bypass the fan switch? =/


          if the fans are suppose to turn on after the car is off, mine used to do that a long time ago when i bought the beast, but now its silent, maybe this can be the cause of my shitty compression?
          The fan switch is on the thermostat housing.
          Remove the plug from the switch, then put a split pin or piece of wire to join both terminals in the plug together.


          Car Safety / General Servicing Checks --------Basic suspension checks

          My 5.7 LS1 Holden Ute

          A "Finished" project car is never finished until its been sold.

          If at first you don't succeed, Try again. Don't give up too easily, persistance pays off in the end.

          Comment

            #6
            Evil, i dont know how to thank you enough man. I checked the temp sensor and it was faulty, i got a new one screwed it in and bamp! the fan kicks when engine idels. thanks again


            Your defiantly going down as one of my favorites on this site! =P


            Temp sig, cars almost done

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