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Little magnet -> Where does it belong to? V70-XC70 2005

posted by  Metallo on  Mon Jul 3 20:19 CST 2017
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last visit: Wed Feb 29 21:03 CST 2012
[RELATED]

Hi,

I am working on my XC 70 AWD to change the wheel hub and control arm bushings, a small magnet must have fallen while I was removing some of the components but I have no idea where this little magnet belongs to. It is possible that it is something totally unrelated, but still I have no idea where this is coming from.
I also removed the wheel speed sensor.

Have you ever seen it in that working area? Please see pictures below:

http://www.mediafire.com/view/63fgkt4x56fb7p4/IMG_6736.JPG

http://www.mediafire.com/view/2bmojj29gic7av0/IMG_6735.JPG

Many thanks!
Alex







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    posted by  someone claiming to be on  Wed Dec 31 18:00 CST 1969 [RELATED]

    Can you give us the measurements?

    Except for the speed sensor, I cannot think of anything that requires a magnet.

    --
    Keeping it running is better than buying new



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      posted by  someone claiming to be on  Wed Dec 31 18:00 CST 1969 [RELATED]

      Sure,

      Diameter is: 5/16 or 8mm
      Thickness: 1/8 or 3mm

      I was also thinking at the speed sensor as the only part that little thing belongs to but I cannot figure out where could actually be located.

      Alex



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        posted by  someone claiming to be on  Wed Dec 31 18:00 CST 1969 [RELATED]

        Spin the wheel hub, read the output voltage of the ABS sensor.
        Voltage should increase and decrease with wheel speed, I think its AC volts?
        If its dud then the magnet probably belongs there.



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          posted by  someone claiming to be on  Wed Dec 31 18:00 CST 1969 [RELATED]

          Hi,

          The ABS sensor is a single unit that is on its own location, so we know that the magnet cannot be part of it.

          I really do not see where a magnet could stay as a stand alone part on the wheel hub.

          I had also to disassemble the steering knuckle on the left side, I have not seen any magnet so I think indeed that magnet belongs elsewhere.

          Once I am done with everything, I will put on VIDA and see if I get any error.

          Alex



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        posted by  someone claiming to be on  Wed Dec 31 18:00 CST 1969 [RELATED]

        If you didn't mangle the speed sensor, then I would say the magnet came from some place other than this car.

        --
        Keeping it running is better than buying new



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