Windshield Crack

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Windshield Crack

Postby 5151 mm » Sat May 29, 2010 9:49 am

Hi guys!
I talked to a German MK 7 owner and he mentioned that he have had always trouble with his windshield, because of an about 5 inch long crack in the passenegr side lower corner of his windshields. He replaced his windshields several times with the result of having a few weeks later the same sh*t again. I have this issue in the same corner of the windshield, too! That can't be happenstance.
I am asking myself for the reason that such a crack occurs over and over again... Shock absorbers? Rust?

Did you guys ever had such a problem?
Johannes
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Re: Windshield Crack

Postby artbaileyjr » Sat May 29, 2010 10:29 am

5151 mm,
I've personally owned a Mark VII for 23 years and have, over time, had 9 of them. (Currently 6) Over the years, I have had two windshields replaced. One was as a result of a severe frontal accident; One just cracked straight down the middle for no particular reason. (While I was standing nearby, as the car sat in my driveway, again, for no particular reason) :o :shock: :?

I have lived in -20F temperatures and in 115F temperatures. I am not familiar with this phenomenon.

Perhaps others have seen this, but I have never had an issue. ... It's very curious.... :?

Art
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Re: Windshield Crack

Postby HOTRODLINCOLN 7 » Sat May 29, 2010 4:55 pm

My Mark 7 has developed a crack on the passenger side of the windshield at the bottom and working it's way up.

I thought it was odd as there is no apperant reason for it stone chip etc????

How many others have this problem

HOT ROD LINCOLN MARK 7 :?:
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Postby 5151 mm » Sun May 30, 2010 7:10 am

So this is what mine looks like currently.
The yellow line shows the crack a little bit better.
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Art,
The guy, I talked to, said that one crack on his Mark happened while the car was sitting in the frontyard, too! No earthquake or something else, of course.

HOTRODLINCOLN MARK7,
I guess you are the third one, I know with the crack in this location.
Truly curious.
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Re: Windshield Crack

Postby 2manymarks » Sun May 30, 2010 8:23 am

Like Art, I have had a lot of these cars, but none as long as he has. I never noticed the described problem. In all, I have replaced two windshields. 8-)
As of July2017,[code][/code] 11Mark[*] VII's, 3licensed for the road:
1989 LSCMidnight/Current Red c/c (9G) mostly stock99k.
1989 LSCMidnight/Current Red c/c (9G) 124k, stock, needs airsuspension & bodywork.
1989 Light Titanium c/c (11) BillBlass-stock. miles unk
1989 LSCMedium Sandalwood (62) Mass air+ 111k FOR SALE $900.
1986 BB(8T)stock125k(wife'sDD)
1987 BB (4L)stock(miles unk)
1987 Base Model White (9L)107k(2.73rear)
1984 TurboDiesel Base model,Platinum(1Q),131k+ FOR SALE $1000.
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Re: Windshield Crack

Postby gadget73 » Sun May 30, 2010 8:44 am

My car has it's original glass at over 200k miles and it has no cracks. Many micro chips and scratches, but no cracks.

Has the car ever been in an accident? If the windshield frame is twisted, it may be putting stress on the glass and causing it to break. Frame rot or other problems that allow excessive body flexing may also do this. I'd be looking at the suspension, the K frame, and where the K frame attaches to the body of the car for issues.
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Re: Windshield Crack

Postby warwgn » Sun May 30, 2010 11:16 am

My Mark VII has 2 stone chips in the windshield, both on the passenger side. They've been there since before I bought the car 2.6 years ago, and they've never developed into cracks... even after the $3,000 crippling sinkhole mishap 2 years ago.

Like Thain's car, my windshield is also severely pitted, and at certain positions the reflections from the sun glare makes it nearly impossible to see. I've been meaning to have the windshield replaced, but just haven't had the time or money.
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Re: Windshield Crack

Postby hansa » Sun May 30, 2010 4:35 pm

5151 mm wrote:Hi guys!
I talked to a German MK 7 owner and he mentioned that he have had always trouble with his windshield, because of an about 5 inch long crack in the passenegr side lower corner of his windshields. He replaced his windshields several times with the result of having a few weeks later the same sh*t again. I have this issue in the same corner of the windshield, too! That can't be happenstance.
I am asking myself for the reason that such a crack occurs over and over again... Shock absorbers? Rust?

Did you guys ever had such a problem?

I'll think , that small metal piece have direct contact to the windshield. Earlier just changed, but no see problem areas?
Wind shield need about 2,5-7,5mm sealer between body vs. wind shield. No direct contact to body
If you have only small crack, you can ask repair from some company, who repair glas. They drill small hole the end of crack and they fill this hole.
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Re: Windshield Crack

Postby oldschool1 » Mon May 31, 2010 2:17 pm

Now that you mention it, I've seen this crack in this location before but only on 1990 - 1992 vehicles.

I would have never made the association if you Guys hadn't mentioned it here.
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Postby 5151 mm » Tue Jun 01, 2010 2:06 pm

Well, the second affected Mark, that I know, is a 1989. ;)
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Re: Windshield Crack

Postby ricardocordoba » Sat Jul 08, 2017 7:24 am

I have a crack in my windshield after the car has sat for some time. The car is in question is 1991 Lincoln Mark VII LSC. Does anyone know what brand windshield would be best for our cars so this doesn't happen again?
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Re: Windshield Crack

Postby CDW6212R » Sat Jul 08, 2017 8:09 am

There aren't really many brands and not really a problem with poor quality. The OEM windshield can be had I've seen for not much over $100, the typical shop you buy from is charging you a little over $100 for their labor, and to come to you and do it on site.

The real magic in window life is the installation. They use a very thick polyurethane to seal the glass, and a special cleaner to make a solid bond to the car. If that surface happens to not be true(bent or curved differently than the glass), then there's a greater chance of breakage later without an impact. The seal material needs to have a good thickness when cured, so the glass "floats" a good bit, instead of breaking.
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Re: Windshield Crack

Postby ricardocordoba » Tue Jul 11, 2017 12:25 am

Thank you for your response. That's good to hear that the aftermarket windshields for these cars are not poor quality. A NOS one would be alright but, the big question is was this issue corrected in the OEM windshields sold over the parts counter at the dealer the time? Anyways, the reason why I was asking about the windshield quality is that in the classic car and classic "Mopar" world there has been Chinese glass manufacturers where their product does not fit well on say a '68-70 Charger or '70-74 Challenger or it was made even thinner than the original glass in the car.
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Re: Windshield Crack

Postby robertbweltzien » Sat Jul 15, 2017 2:19 pm

IMG_0252.JPG
Same here. Crack appeared for no reason, though it's very hot out. The original owner had a boat on LI Sound so all the glass is sandblasted. It started at the rear view mirror mount. The Safelight guy said because I had previously siliconed it for leaks, he couldn't guarantee the job because of rust that's probably behind the silicone. I have to take it out, repair any rust, seal it and then have them install a new windshield. The total price is about $225. The glass is high quality. Still, what a PITA!

Bob
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Re: Windshield Crack

Postby ricardocordoba » Thu Jul 20, 2017 4:39 am

Thank you for the information. I was looking around for a windshield and came across one aftermarket on eBay. I was trying to figure a cost but, I was already figuring between at least $300 to $500 to have it replaced.
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Re: Windshield Crack

Postby oldschool1 » Thu Jul 20, 2017 7:51 pm

I haven't used SAFELITE for years.
I clicked through their website and got an instant quote for my 1984.

Your service estimate*:
$188.00
*Estimate does not include tax, disposal fee or additional service options.
Includes national lifetime warranty


This was for scheduled, drive in service.

Not bad.
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Re: Windshield Crack

Postby ricardocordoba » Thu Aug 03, 2017 10:21 pm

Thank you John and to the others whom replied. My crack started at the bottom and goes about to middle of the windshield. I'll get it addressed here very soon once I get some more time.
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Re: Windshield Crack

Postby oldschool1 » Sat Aug 05, 2017 5:27 am

You are welcome.
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