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  1. #1
    Join Date
    Jun 2007
    Location
    Cornwall, ON, Canada
    Posts
    226

    Default Slipping wiper blades

    Is it normal for the vacuum wiper blades to slip from the top horizontal position to a near vertical position while driving or is there something I should be looking at fixing.

    I don't mind the passenger side doing it but it's really annoying when it happens on the driver's side while I'm driving. ARGH!

    My wipers do work but this is happening when the valve on the windshield frame is completely closed.

    Thanks.

  2. #2

    Default

    When I replaced my engine my passenger side wiper started doing this as well. I was thinking that the rebuilt 454 draws a little more vacuum and helps the blade drop down to the lowest position.

    I'm interested in a fix if there is one out there other then holding it up with a rubber band.


    Kevin
    Kevin
    68 M715 Modified

  3. #3
    Join Date
    Jun 2007
    Location
    Cornwall, ON, Canada
    Posts
    226

    Default

    It's nice to see I'm not alone in this dilema. I wonder if the shut-off valve has some dirt in it that's preventing it from closing completely.

  4. #4
    Join Date
    Jul 2007
    Location
    Rhoadesville, Virginia (five miles from no place)
    Posts
    5,125

    Default

    The vacuum wper motors don't really have a park or detent in them.

    At 40-45 they seem to do fine. Anything above that and the wind on the flat windshield will move them directly into your field of vision, particularly on the drivers side. I used a couple of o-rings to make a retainer for the levers when I wasn't using the wipers. Then I converted to electrics and eliminated the slow wipers and self adjusting blades.
    "Free advice is worth what you pay for it."™

  5. #5
    Join Date
    Feb 2009
    Location
    Northern California
    Posts
    467

    Default

    I was thinking of making a couple little spring catches to hold the arms up... our current solution is to shove them all the way up over the windshield gasket.

    --Randy

  6. #6

    Default

    hahaha, I thought I was the only one with that problem.I couldnt think of any solution either. So I hook the inside handles to micro bungie cords, the tiny 6 inch ones
    Feast or famine,

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