Automated Suction cup marks left on front windshield...removal?

  1. BrianinNC

    BrianinNC Member

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    I see these as well when the sun hits just right. I've cleaned the windshield many times, but never tried alcohol. If they're actually on the glass, wouldn't they be covered (and thus impossible to clean) by any tinting?
     
  2. NavyVet1959

    NavyVet1959 Banned

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    Well, we're talking about the windshield here and other than maybe a couple of inches of the glass at the top, most states probably don't allow you to tint the windshield.
     
  3. Darkcanuck

    Darkcanuck Well-Known Member

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    I didn't see any further replies on this to confirm if the isopropyl alcohol worked or not. Can someone confirm? Also was it for sure on the inside or the outside? I just noticed this on my 3 week old vehicle for the first time last night when the interior got foggy. But to me it would make more sense that the suction cups would be on the outside during the manufacturing process, but perhaps the windshield gets put on the windshield frame before it gets mounted to the rest of the body, in which case I could they could suction from the inside.
     
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  4. Sting_Rubi

    Sting_Rubi Well-Known Member

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    I can't confirm the isopropyl alcohol itself will work or not, but I have them on mine and have had them on other vehicle in the past. I got rid of them pretty much on accident once. I treat all my windshields with Rainx on the outside. I started doing it to the inside once I had a convertible for the first time. When I got my S2000 then my 2007 Wrangler and I will be doing it on my new JL (which will make the inside easier by dropping the windshield!!! Anyway, this is what I do:

    First, I take a window cleaner (I use Invisible glass) and wipe the window down real good. Then I use 0000 steel wool and buff the crap out of it (will also take hard water spots and bugs and crap off of it) you can do this in any direction (circular, up and down, side to side, etc) It wont matter. Then I use rubbing alcohol on the whole windshield and really 'buff' it on. After that I used a window cleaner again. Then I take a micro fiber and soak it in the RainX and wipe it all over the window. I allow it to dry to a haze and then reapply the RainX. Again I let it haze and repeat one more time. Then, after the hazing I take another micro fiber and get it soaked with water and wipe the window down. Take another micro fiber, damp, and wipe it down again. Then I use another to buff the window. DONE!

    Sounds like a lot, but it really doesn't take that long. It will usually last the entire spring and summer. I repeat again in the fall. Sometimes I will reapply the RainX when I do a lot of off roading and get mud on the window or I use a lot of wiper fluid, it starts to take it off. The inside will last a really long time! If you leave the top and doors of on those dew filled nights, it really helps the morning commute :cwl: I plan to do this Tuesday with mine, so I will see if I get the UFO off the glass.
     
  5. ItsUhJEEP

    ItsUhJEEP Active Member

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    91% IPA then invisible glass and still have these F'ers

    would anyone suggest a heat gun? Im thinking its a rubber/silicone snail trail so maybe a lil heat will do it?

    IMG_0477.JPG
     
  6. taysdad

    taysdad Well-Known Member

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    Have you tried IPA with a magic eraser? The ME adds mechanical action (think light sanding) to the solvent power of IPA. If that doesn’t work for you, increase the mechanical action by going to 0000 Steel wool in place of the ME.
     
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  7. ItsUhJEEP

    ItsUhJEEP Active Member

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    for sure going to try this next, thanks!
     
  8. NavyVet1959

    NavyVet1959 Banned

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    Have you tried acetone yet?
     
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  9. STL J-Hawk

    STL J-Hawk Well-Known Member

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    I used Barkeepers friend (mild abrasive powder) followed by magic eraser and glass cleaner....seemed to do the trick for me.
     
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  10. TIDALWAVE

    TIDALWAVE Well-Known Member

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    I had three suction cup marks on my windshield. I first tried Isopropyl alcohol without success. I then used a couple of drops of actone on a soft cotton rag...the marks wiped off immediately!
     
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  11. Krondor

    Krondor Well-Known Member

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    My next chore. Thanks!

    :like:
     
  12. NavyVet1959

    NavyVet1959 Banned

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    Carb cleaner might also work, but spray it on the paper towel well away from anything plastic since it reacts badly with certain plastics -- like clear plastics in motorcycle windshields.. :(
     
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  13. Krondor

    Krondor Well-Known Member

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    As it happens, I just got some acetone to install my headliner.

    Pefecto.

    Now I just have to wait for just the right light to see if I ever see those UFO's again. lol
     
  14. NavyVet1959

    NavyVet1959 Banned

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    Fingernail polish remover is just acetone plus some fragrance oils and a higher price tag. Buy a gallon of it and use it to refill your wife's fingernail polish remover bottle periodically.
     
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  15. 71beepbeep

    71beepbeep Active Member

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    I have these tire tread patterns on my hardtop side windows. I just noticed them last nite. You can only see them in certain light conditions or when you wipe the glass with a damp cloth. It looks like assembly line belt marks.
     
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