2001 T800 - What allows wipers to park in park position?

Discussion in 'Kenworth Forum' started by Green461, May 29, 2021.

  1. Green461

    Green461 Light Load Member

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    Mar 22, 2019
    Southern WI
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    Previously only had high speed, low they would struggle and stop, I changed motor and now I have intermittent, low and high all work great, when I shut them off they just stop where ever they are and do not return to the park position... The linkage, pivots, arms are new, motor is new... the switch works like it should., What makes them park?
    Thanks.
     
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  3. Green461

    Green461 Light Load Member

    93
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    Mar 22, 2019
    Southern WI
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    Also... anyone know when in the park position which wiper is supposed to be on top? 1 piece windshield.
     
  4. circle h

    circle h Bobtail Member

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    Oct 22, 2020
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    inside the wiper motor ther is a park function. It has to have constant power when the dash switch is off I believe. That makes them run until the end of the cycle. If the old motor parked fine the new might be defective. If the old motor wasn't parking correctly at the end check all your fuses.
     
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  5. Rideandrepair

    Rideandrepair Road Train Member

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    Aug 8, 2015
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    You probably have the arm position at the motor wrong. Take it off, and reposition it on the splines. It definitely will take a few attempts. Notice the motor only goes one way. This is key to understanding how the linkage works. Just have to get the small arm onto the motor in the right splined location. Don’t start taking the wipers off, trying to get it right.Tgat will only cause more confusion. Often when you’re close to the right location, they will start off going down first. Than means you’re close. Just keep taking the arm off the motor and repositioning it a little more.. when they park too high, you went too far. It’s time consuming and very frustrating. But eventually you’ll get it right.
     
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  6. Inderjit

    Inderjit Light Load Member

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    Sep 17, 2017
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    The lever on the wiper motor needs to be timed correctly to park the wipers in
    the right spot. VERY IMPORTANT! with the ignition turned OFF loosen the nut on the output shaft of the wiper motor and tap the lever to disengage it
    from the tapered spline on the wiper motor. Then turn the ignition on and then
    turn the wipers on low. Switch the wipers off. Now move the wiper arms to the parked position on the windshield by hand. Now with the ignition turned OFF
    tighten the nut on the output shaft of the wiper motor. Turn the ignition on and
    turn the wipers on and off to make sure they park in the correct spot.
    It might take a couple tries to get them in the exact right spot. Once you are
    happy tighten the output nut to about 20 Ft-Lbs.

    The reason you need to make sure the power to the wiper motor is off when you tighten the nut on the output shaft is if you turn the wiper motor output shaft from the parked position when tightening the nut it will make a full rotation and it has a lot of power and could really hurt you possibly removing a finger or two.

    If the wiper arms keep parking in a different spot the arm is slipping on the
    shaft. If that is happening you need to remove the lever and take a wire
    brush and clean the splined output shaft on the wiper motor and re-time it.
     
    Last edited: May 30, 2021
    baha, Rideandrepair and AModelCat Thank this.
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