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Old 09-06-2010, 10:31 AM   #1
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windshield

so this past winter my windshield cracked on my jeep out of no where. i was told that it was because the heater in the tj's are too powerful for the car so when you use the defroster when its really cold out it cracks the windshield. has anyone else had this issue and if so what can i do other than not use the defroster when its really cold out?

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Old 09-06-2010, 10:37 AM   #2
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Owned mine for 5yrs and never had that issue. My windshield did crack due to a rock though...

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Old 09-06-2010, 10:38 AM   #3
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You probably had a little chip in it, so when you blew the hot air onto the freezing glass, the chip just expanded into a crack due to the pressure...
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Old 09-06-2010, 10:40 AM   #4
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Never heard of that either I had 4 tj's never had a glass issue. Who told ya the heater had too much power?
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Old 09-06-2010, 12:03 PM   #5
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I had a chip in my windshield for a year and didn't bother to fix it because it was not growing. When winter hit, the chip turned into a crack going almost all the way across the glass. It was the temp difference of the interior air against the exterior air and the weakness created in the glass from the chip that did it.
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Old 09-06-2010, 02:12 PM   #6
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I make my own trails!

Hey there rubiunlimited, ever hear of "Tread Lightly"? It's people with the "I make my own trails" mentality that causes 4WD areas to be closed.
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Old 09-06-2010, 04:18 PM   #7
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hey 03 rubi, its called on my own private property, plus there are no 4wd areas in RI, none that are to the public anyways.
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Old 09-06-2010, 04:20 PM   #8
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one of my buddies that has an 06 wrangler had the same issue i had with my windshield and has put in 3 windshields since he bought it.
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Old 09-06-2010, 04:20 PM   #9
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Lets keep it on topic.
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Old 09-06-2010, 04:30 PM   #10
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When my buddy had his break for the second or third time he asked one of the local dealers and they said that they have been havin lot of people with the same problem come in, and I guess that's
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Old 09-06-2010, 04:31 PM   #11
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Where I heard is was a heater issue
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Old 09-06-2010, 04:47 PM   #12
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What in the hell is happening here?First I read cracks and too hot of a defroster then treadlightly?I make my own windshield cracks and if you don't like it you can kiss my drunken.............
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Old 09-06-2010, 04:56 PM   #13
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BigSahara is right, cold glass plus hot air equals cracking. Most vehicles up here get it eventually, enough so that many drivers don't even bother replacing the windshield so long as the crack doesn't block their field of view. Mine goes almost completely across the windshield.

The Jeep defroster does seem to blow pretty hard compared to other vehicles. Perhaps not having the heat on the highest setting would help.
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Old 09-06-2010, 04:56 PM   #14
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Woah dude just tryin to see if anyone else had any issues, no need to be an a.
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Old 09-06-2010, 05:00 PM   #15
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End the name calling and bickering or I will lock it down!
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Old 09-06-2010, 05:04 PM   #16
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Yeah that's what I figured, my crack when from the bottom of the windshield strait to the top right in the center so I never bothered gettin it fixed yet
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Old 09-06-2010, 05:23 PM   #17
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Ummm...glass coverage on your auto insurance...just sayin'...
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Old 09-06-2010, 06:01 PM   #18
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Tryed that they wouldn't help me out with that.
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Old 09-06-2010, 06:16 PM   #19
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I think all Jeep windshields are junk lol....at least most of the ones I get are already broken
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Old 09-06-2010, 07:06 PM   #20
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TJ windshields are only about $100, so compared to other cars its pretty cheap
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Old 09-06-2010, 09:39 PM   #21
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I had the same problem with the temp change and the crack growing. A good place to get new glass though is jeepglass.com They're cheap at least.
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Old 09-07-2010, 05:24 AM   #22
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I had the same problem with the temp change and the crack growing. A good place to get new glass though is jeepglass.com They're cheap at least.
How hard are they to replace properly? I've never changed a windshield. I have a nice 8" spiderweb crack in mine thanks to a rock on the highway, of all places. I was going to have Safelite do it, but they want $250. That jeepglass website has them for $80.
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Old 09-07-2010, 08:25 AM   #23
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jeepglass.com eh? that sound pretty cheap ill have to check that out, i cant imagine that they are too difficult to change since its just a straight flat piece of glass, just make sure it seats in the weather stripping and throw a bead of windshield glue around the edge.
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Old 09-07-2010, 09:09 AM   #24
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if you guys are that interested. replace it with lexan.
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Old 09-07-2010, 10:21 AM   #25
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where do you get lexan from for your jeep?
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Old 09-07-2010, 10:24 AM   #26
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You'll prolly have to get a piece cut to spec. Its not worth the extra money IMO. Unless saving like 30lbs on your rig means a ton to you. It scratches unlike glass wont break or shatter though!
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Old 09-07-2010, 10:33 AM   #27
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Lexan can easily be obtained from places like McMaster Carr or similar industrial supply places.

As far as Jeep windshields, Never had a problem with mine cracking due to heat or cold. Usually there has to be a weak point before a crack begins. I've got a ding on my new windshield and I'm waiting for it to spread. The jeep windshields are relatively flat so anything hitting it is almost a guarantee crack or pit.

The windshields they are replaced with also makes a difference. There are different grades, and usually the insurance company will opt for the cheapest install.

for example, my original windshield had the smokey area at the top. My replacement windshield didn't. I didn't notice until after it was replaced. after calling them to complain, they stated they are obligated to replace the windshield, but not with an OEM type, just the cheapest aftermarket ones.

Also keep in mind that it's not all hot and cold but how many times you bang it around, and we all know how rough a Jeep rides. so a cracked windshield in a Jeep is a guarantee that it's going to split further.
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Old 09-07-2010, 12:03 PM   #28
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Sorry about the "tread lightly" remark but only in light of the fact that it concerns your own land. The overall theory of "Tread Lightly" on public land still applies if people care about having places to wheel in the future. The land closure people are looking for any excuse. As far as putting it in this thread it was the only place where "I make my own trails" appears and therefore the only place where people would see it as verses buried somewhere else on this forum.
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Old 09-07-2010, 08:19 PM   #29
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I think it was a good idea 03 Rubi...Wanna make sure people know to respect the land they wheel on
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Old 09-08-2010, 06:44 PM   #30
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I think it was a good idea 03 Rubi...Wanna make sure people know to respect the land they wheel on

THANK YOU!!! At least someone took it in the spirit for which it was intended.

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