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    Stone Chip on Window

    I was driving along the freeway today and I wasn't following any car. Suddenly I heard a pop and I realized that my window had a chip the size of a small bullet hole due to a stone chip. It's close to the windshield wiper and it's not very noticeable but big...   is there a need to replace the window? This is a real bummer...

    Re: Stone Chip on Window

    I would not replace the window unless a crack starts to develop from it, because my experience with the 997 is that replacement windows are much easier to crack thereafter.

    You can also get the chip filled with a special glue in a shop so that it doens't develop into a crack and also makes it much more discrete.


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    Re: Stone Chip on Window

    There is a process offered by glass installers that can "repair" your chip. I believe in involves injecting a resin into the chip and then applying a :setting" tool to the area. Won't make chip disappear, but will improve appearance and prevent it from spreading into a larger crack. Cost is minimal, approx $35-$50 in the U.S.
    --
    2006 997 carrera coupe

    Re: Stone Chip on Window

    I would also do ANYTHING to avoid replacing the window. It will never be the same after and leaks or cracks could occur.

    But you need to fill in this holw with resin, otherwise there is a big chance it will crack.


    --
    997 C4S (-20mm) +  997.2 C2S, PDK, -20mm

    Re: Stone Chip on Window

    GOOSE997:
    There is a process offered by glass installers that can "repair" your chip. 

    Cracks yes, chips no.  If it's just an indentation then there is not much that can be done. 


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    Click for bigger picture!


    Re: Stone Chip on Window

    Alex_997TT:
    GOOSE997:
    There is a process offered by glass installers that can "repair" your chip. 

    Cracks yes, chips no.  If it's just an indentation then there is not much that can be done. 


    Can't agree there Alex - the time to repair is while it's still a chip, before cracks start to spread from it.

    If the chip is in your eyeline, the repair won't help.  Anywhere else it's the best option.

    BTW - cover the chip with sticky tape as soon as you can.  This will keep the chip clean and help prevent cracks developing while you arrange for the repair.



    --
    "Things turn out best for people who make the best of the way things turn out."

    Re: Stone Chip on Window

    John H:
    Alex_997TT:
    GOOSE997:
    There is a process offered by glass installers that can "repair" your chip. 

    Cracks yes, chips no.  If it's just an indentation then there is not much that can be done. 


    Can't agree there Alex - the time to repair is while it's still a chip, before cracks start to spread from it.

    If the chip is in your eyeline, the repair won't help.  Anywhere else it's the best option.

    BTW - cover the chip with sticky tape as soon as you can.  This will keep the chip clean and help prevent cracks developing while you arrange for the repair.

    I got some deep chips from the Autobahn a couple of months back.  I got the autoglass guys out and they said they couldn't do anything about chips unless they had started to crack.

    --

    Click for bigger picture!


    Re: Stone Chip on Window

    Sounds like the usual "Autoglass" response to me! Smiley

    There are much better operators out there.  Not much point in listing mine here because they don't cover your area.  But if you search you'll find independent local guys who will do a much better job than the faceless national rip-off merchants. Smiley



    --
    "Things turn out best for people who make the best of the way things turn out."

    Re: Stone Chip on Window

     Relevant post from the past....

      http://www.rennteam.com/forum/thread/361268/Windscreen_replacement/index.html


    --
    "Things turn out best for people who make the best of the way things turn out."

    Re: Stone Chip on Window

    AFAIK its best to be done while its still a "spot" (a tiny hole or a star shaped crack), it can be filled-in and repaired, and as John says, its good to cover it up with tape after it happens so that it doesn't get dirty inside whilst you don't get it repaired for better results.

    Once there is a chip or small crack, sudden changes in temperature or flexion of the chasis from normal driving may cause it to open into a split, and depending on were the chip is on the windshield it may be more likely to progress into a crack or not.

    But once it develops into a "longitudinal" crack, its over, no repair posible anymore and most likely it will only get bigger and longer in time. You have to replace the windshield.


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    Re: Stone Chip on Window

    Hi Carlos, as this topic has come again, it occurs to me to ask if you had any further repetitions of your windshield cracking problem?


    --
    fritz

    Re: Stone Chip on Window

    Hi Fritz, I definately have a few chips on this new one (third or fourth windshield? I lost track already) but none of them severe enough to crack so, so far so good, and its been over a year I believe now so its a good sign, car has now around 70,000km.

    The other replacement windshields lasted me only a few months, sometimes weeks before they were cracking and spliting. This time is seems more resistant, but don't ask me why Smiley the use of the car has always been the same, same roads, same driver, same driving style, etc. And on my ex-996 with more miles I never had to even replace a windshield.

    The only explanation I can come up with is if on this last replacement they did a better job at fitting it without knowing it, or maybe sat longer afterwards, if that matters any Smiley still doesn't seem as resistant as the original factory fitted windshield but definately more resistant that all the previous replacements.


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    Re: Stone Chip on Window

    Carlos: Windshield installations are tricky. Temperature of installation and setting time. A new windshield should sit at least 24 h before the car is driven. Could it be that some of this was not done in your case?


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    A. Dias Corvette C6 coupe (sold) 996 C4 (sold)

    Re: Stone Chip on Window

    ADias:

    Carlos: Windshield installations are tricky. Temperature of installation and setting time. A new windshield should sit at least 24 h before the car is driven. Could it be that some of this was not done in your case?


    --
    A. Dias Corvette C6 coupe (sold) 996 C4 (sold)

    Each replacement sat 24hrs but the difference is that this last replacement sat for several days instead of one, since it took me that long to pick up the car this time. I don't know if more than 24hrs is overkill and doesn't help any, but that is the only difference that I could see. All the replacements were done by the same Porsche dealer.

    Its still a mistery to me how the first replacements could crack so easily, I mean it was ridiculous, any little normal hit meant a crack, whereas in other cars I drive or previous ex-996 it was no problem. This last replacement is still no stanadard tough, but at least its lasting over a year without the glass splitting (though I have several small chips on it).


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