How to Fix a Windshield Crack in Your Car (Do Glass Repair Kits Work?)

How to Fix a Windshield Crack in Your Car (Do Glass Repair Kits Work?)


rev up your engines
Today I’m going to help you answer the question, do
windshield repair kits really work, now
realize that windshields are actually
made of tempered glass on the outside,
plastic in the middle, and then another
layer of tempered glass on the inside, as
you can see, the outer layer is tempered
glass, then there is polyvinyl butyral
on the inside, which is a type of plastic,
then there’s tempered glass on the
inside, now on this crack you can feel the
crack on the outside, but you can’t feel
the crack on the inside, so only the
outer layer is cracked,
now if the glass is cracked on both
sides, forget it don’t even try fixing it,
because it’s gone then, but even so, this crack
is so long, there’s nothing you can do to
fix this other than replace the
windshield, but when you have small
cracks like this one here, you can seal
them before the cracks get big and
create a giant mess, the point is, you
want to stop a small crack from growing
and then shattering the whole windshield,
first you get the pin with the kit, and you
clean out any loose fragments that are
in there, then you get the alcohol prep
that comes with and make it nice and
clean, then you get the backing plate, put
it over the center of the hole and push it on,
then you pull the cover off there, and
put this little cap on, then you get the
resin, and squirt some of it into the
hole, then you get the syringe it comes
with, plunge it into the hole,
then you pull up the plunger and lock it
in place on this low notch, and let it
sit for a while, they say wait about 10
minutes, then you take off the syringe,
that let some air in then you push it
back in again, goes into the hole, you twist it and
put it on the second notch, then you
wait about 20 minutes for it to seal
itself in, then you take the whole thing
off, peel it off, then you put a little dot of the
resin on the hole, and put this curing
strip on top, and you want to do this
while the sun is shining, because the
ultraviolet rays are what ultimately
cure the resin, but I’m not a patient man,
so I use my UV light to cure it much
faster, and now when I run my hand over
it, it’s smooth it doesn’t have the crack
anymore, the trick is to catch it when
they’re small, if they’re big like this
one, forget it, because if they start big
like this one, there’s no hope at all, the
crack will just grow, especially when you
put the defroster on when it’s cold in
the winter and the heat gets to it, it will
shatter like mad, so now you know about
windshield repair kits, in a pinch with a
small crack, they can help you out, just
don’t expect miracles, more quick fixes
on the Scotty Kilmer Channel,
so if you never want to miss another one
of my new car repair videos, remember
to ring that Bell!


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