2017 Cascadia Wipers acting up

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by OldeSkool, Sep 23, 2020.

  1. Sep 23, 2020 #1
    OldeSkool

    OldeSkool Road Train Member

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    I have a 2017 Freightliner Cascadia. The wipers have started acting crazy, especially on the slower speeds. It will wipe right for a bit, then wipe quickly 5-8 times quickly and often stops with the wipers straight up or midway down on my windshield. I’m thinking about replacing the switch in the cab unless someone has a different idea.
     
    OldeSkool, Sep 23, 2020
    OldeSkool, Sep 23, 2020
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  3. Sep 23, 2020 #2
    QUALITYTRUCK

    QUALITYTRUCK Road Train Member

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    Sounds like the wiper motor to me.
     
    QUALITYTRUCK, Sep 23, 2020
    QUALITYTRUCK, Sep 23, 2020
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  4. Sep 23, 2020 #3
    truckdriver31

    truckdriver31 Road Train Member

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    i thank it mite be the sams cab computer. its the computer modular where 4 ways are
     
    truckdriver31, Sep 23, 2020
    truckdriver31, Sep 23, 2020
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  5. Sep 23, 2020 #4
    Antinomian

    Antinomian Road Train Member

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    Not likely to be the multi-function stalk. When those go bad they tend to fall apart in your hand.

    It's most likely the wiper motor. If you replace it you might as well replace the linkage as well. They go bad and make the wipers swing too wide in both directions. I bought the linkage with a new motor included for around $250. Installed it myself in a truckstop parking lot. Easy.
     
    Antinomian, Sep 23, 2020
    Antinomian, Sep 23, 2020
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