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Wiper Anomalies

Discussion in 'Model S' started by Haxster, Feb 19, 2017.

  1. Haxster

    Haxster Member

    Joined:
    Apr 4, 2016
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    Location:
    Silicon Valley
    So, I’m patiently waiting for the rain-sensing to be enabled on my HW2 MS. I’m spoiled by having that feature on my 17-year-old Porsche. How tough could this be? Didn’t they verify that they could detect rain using the front-mounted cameras before they got rid of the IR rain sensor? Maybe it will start working after the rains stop here in California. Okay, rant over...

    My issues are two:

    1. The wiper motor/gear/drive mechanism makes a lot more noise than I’m used to…especially on “luxury” car. (Wiper blades are quiet). Is this just poor design or should I have service take a look?

    2. On intermittent, if I turn the wipers off during a pause, they jump part way up the windshield and stay there until I either turn them on again or push for a single cycle. Design flaw or defect?
     
  2. dragoljub

    dragoljub Member

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    Location:
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    I am having the same experience as you. 2017 S90D. Interestingly our 2014 S85 did not have that jerky behavior. Its surprising that if I twist the wiper stick on or off the wipers will jump up and then down.

    I think this is a software issue. I will try to give the S85 a try to see why the wipers are just not as smooth.
     
  3. Haxster

    Haxster Member

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    Yes, the wiper "non-parking" issue can probably be fixed by software; maybe when they implement rain sensing.

    Do you also notice the mechanism noise issue on either of your Teslas?
     
  4. dragoljub

    dragoljub Member

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    I would say the noise on the 2014 was about the same. Seems to be loudest (servo like whine) at the end of the up swing cycle. They could probably use a better PID tune or something.

    I recently was in a new 2017 BMW 540i and their wipers were flawless, silent, and perfectly rain sensing, to the point I was convinced the driver was modulating them.
     
    • Informative x 2
  5. Sather

    Sather Member

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    Location:
    Bow, WA USA
    Noticed how quiet my wife's Honda Civic wipers were tonight vs December MS 90D. Tesla motors are really noisy. Annoying here in the Northwest US.
     
  6. Haxster

    Haxster Member

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    I hate to say this, but sometimes it's a bunch of little things, like wiper mechanism noise, that sways US buyers away from American-engineered cars.

    At least for us in California, we probably won't be using our noisy wipers too often after the current (welcome but unusual) rainy season.

    Thanks to the posters for confirming my two issues of concern.

    Maybe some Dynamat sound deadening material around the motor drive unit will help.
     
  7. Nosken

    Nosken Member

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    Location:
    Lincoln, CA
    I have a new, refreshed Model S. On the return stroke (down) of the wipers, the passenger side wiper seems to park itself quite loudly on every sweep, with a loud thump. Ironically, when the wipers do park, they are slightly up and can be seen. Hopefully this is just a software fix.
     
  8. Haxster

    Haxster Member

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    Since the thump is only on one side, this sounds like it could be a mechanical adjustment issue. I'd suggest having it checked at a service center. The "thump" could be stressing the motor and mechanism and lead to an early failure.
     
  9. croman

    croman Active Member

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    My wipers also can't really be adjusted as easily as my leaf which had like 32 different speeds. My s has four. HW2 is such a disappointment.
     
  10. Haxster

    Haxster Member

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    I'm starting to feel like I may have pissed away $5K for it...but I'm still hopeful that it will at least get up to HW1 parity soon.
     
    • Like x 1
  11. jeraldinho

    jeraldinho Member

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    Sydney Australia
    My wipers are much noisier than all my previous cars too. Have seen another forum mention that the service center managed to improve theirs so I'll give that a shot.
     
  12. Cricket88

    Cricket88 Member

    Joined:
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    150
    Location:
    Los Angeles
    Not just the wipers but check your washer fluid, my car was delivered with no washer fluid and I found out when I tried to clean my windshield the other day... simple PDI stuff that shouldn't get missed, but apprantely did (and not isolated since I saw someone else mention it on here as well)
     

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