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Vaccum wiper stop working

Discussion in 'Early CJ5 and CJ6 Tech' started by PierreDnepr, Jul 4, 2014.

  1. Jul 4, 2014
    PierreDnepr

    PierreDnepr Member

    Barrie Ontario
    Joined:
    Sep 4, 2013
    Messages:
    218
    Hi...

    Before I start tearing stuff apart, any suggestion on simple things to check for a vacuum wiper that suddenly stop working?

    The driver side wiper use to work about two weeks ago, if I pull the activation button out, it stays in park mode, you can actually feel the pressure holding it up in the park position + it won't turn by hand. If I push the button close, you can move the wiper by hand through its full range of motion. I also unplug the vacuum line and I have plenty of vacuum + the passenger wiper still work fine on the same line.

    Any idea will be appreciated

    Thanks in advance

    Pierre
     
    PierreDnepr, Jul 4, 2014
    #1
  2. Jul 4, 2014
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
    Joined:
    Nov 22, 2003
    Messages:
    8,122
    There's a number of web pages devoted to vacuum wiper repair-

    https://www.google.ca/?gws_rd=ssl#q=vaccum+wiper+repair

    Have a look & pay particular attention to the ATF trick.

    I'm guessing one of the internal vacuum ports has become plugged, or maybe the mechanical flip-flop that activates the valve rods has somehow got stuck. If you can't fix it give Ficken a call-

    http://www.wiperman.com/

    I just bought two new ones from them for only a bit more than it would have cost to have mine rebuilt, if indeed they were re-buildable.

    H.
     
    Howard Eisenhauer, Jul 4, 2014
    #2
  3. Jul 4, 2014
    PierreDnepr

    PierreDnepr Member

    Barrie Ontario
    Joined:
    Sep 4, 2013
    Messages:
    218
    Thanks,

    Will try the ATF trick first - if that doesn't work then its teardown time
     
    PierreDnepr, Jul 4, 2014
    #3
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