What would cause this?



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Thread: What would cause this?

  1. #1

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    What would cause this?

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    Finished a night shift, drove home, backed into the driveway and went to bed.
    On the way to work last night, I couldn't figure out why the ice on the back wouldn't melt. When I checked it out, the entire piece of glass was shattered, only held together by window tint.
    Can a stone chip turn into this with temperature fluctuations? I couldn't see any particular point of impact

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  2. #2

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    Re: What would cause this?

    How do you get a stone chip on your rear glass? Getting tempered glass to chip without exploding is not an easy feat.

    Some cars have a history of self-destructing glass (often sunroof panels). It is also simple enough for someone with a little knowledge to destroy a window quite easily. Are you sure this wasn't intentional?

  3. #3

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    Re: What would cause this?

    A spring loaded punch would do it in a flash, but I don't know of anyone with a grudge that would do that. I'm in a small town, so grudges become public knowledge pretty quickly. My ex wouldn't have the know how. Maybe a random thing. I'd like to think there's a more benign explanation

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  4. #4
    kruzuki's Avatar
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    Re: What would cause this?

    My ex-wife had that happen at a baseball diamond to her brand-new Mazda 3 - foul ball. Don't park too close!

    Otherwise extreme temperature change to flawed glass can do it.

  5. #5
    Riceburner's Avatar
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    Re: What would cause this?

    If it was intentional, would think there would be a point of impact.

  6. #6
    Robbo's Avatar
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    Re: What would cause this?

    Motorcycle holding a grudge that you stopped riding her???

    Seriously though that is quite strange. How old is the vehicle?


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  7. #7

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    Re: What would cause this?

    Yeah maybe. She knows it's not over yet though.

    It's a 2012. A search on the interweb shows that it's not common, but spontaneous shattering of tempered glass is a thing.

    Quote Originally Posted by Robbo View Post
    Motorcycle holding a grudge that you stopped riding her???

    Seriously though that is quite strange. How old is the vehicle?


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  8. #8
    JamJam's Avatar
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    Re: What would cause this?

    It's a common problem in some cars... For example my F-150 with rear defrost and power sliding window it's all but a guarantee every couple of years.

    It can also happen when the rear defrost starts to get defective and develops hot spots.

    Go to a glass shop to get it fixed, most insurance policies cover it with no bump in premiums... Which for me was good cause mine is about $800 in parts and $200 in labour

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  9. #9
    SunnY S's Avatar
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    Re: What would cause this?

    OP.. what vehicle is this?
    My other car is a reservation. Tesla Semi

  10. #10

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    Re: What would cause this?

    It's a Kia Rio

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  11. #11

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    Re: What would cause this?

    I actually saw it happen once. I was stopped behind another car at a light and their rear window just shattered.

    I worked for a window and door company years ago and sometimes we got a bad batch of tempered for patio doors. The odd one popped.

    Tint in some cases can make it worse by absorbing heat.

    I don't know if insurance automatically covers glass any more.

    Good luck with a resolution

  12. #12

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    Re: What would cause this?

    Thanks for the comments. I shopped around. No one was interested in waiving the deductible since it wasn't a very expensive job compared to my 500$ deductible. After calling a few places, I got it done for 350$

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  13. #13
    Riceburner's Avatar
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    Re: What would cause this?

    What about for a front? Let us know if you would recommend the $350 place once it's done.

  14. #14

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    Re: What would cause this?

    I'm going to look at another Kia to compare. It looks like the new glass is spaced away from the metalwork a little bit. Otherwise it seems fine.
    Richmond Hill Autoglass

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  15. #15
    GP_RZ's Avatar
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    Re: What would cause this?

    Quote Originally Posted by Riceburner View Post
    If it was intentional, would think there would be a point of impact.
    Mabey it was shattered from a piece of spark plug ceramic?? seen a glass outdoor patio table shatter from a small piece lobbed at it.

  16. #16

    Re: What would cause this?

    I did it when I was younger with a bb gun. Cheap gun, cold morning, bb went off on a tangent. My dad's little Toyota pick up truck, back window splintered.

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