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Windshield: sealing crack #4672768
02/21/18 08:49 AM
02/21/18 08:49 AM
Joined: Nov 2008
Posts: 13,589
NH
supton Offline OP
supton  Offline OP

Joined: Nov 2008
Posts: 13,589
NH
Windshield has decided to spring a leak on me; it's got a nice crack at the top. I *think* it's leaking under the rubber seal, and not through the starburst. I see that Permatex makes something, and I've read to not use silicon. Any harm in trying?

Windshield has seen better days but if I can milk this one longer... I figure, on a '99, the air bag is not using the windshield in this area for what it does (and at this point I doubt the airbag is doing much anyhow). I checked, and the rubber seal in this area is rock hard. Does not budge.



2011 Toyota Camry, base, 2.5L/6MT, 183k, hers
2010 Toyota Tundra DC, 4.6L/6AT, 149k, ours
1999 Toyota Camry LE, 2.2L/4AT, 207k, his
Re: Windshield: sealing crack [Re: supton] #4672788
02/21/18 09:12 AM
02/21/18 09:12 AM
Joined: Oct 2012
Posts: 2,672
Northern Ontario, Canada
Danno Offline
Danno  Offline

Joined: Oct 2012
Posts: 2,672
Northern Ontario, Canada
You probably have some rust under the gasket causing the leak. Seen many trucks like this. Slap on the sealer and see if it helps. The alternative is removing the windshield, fixing the rust, replacing the windshield and gasket - talking $2000+ if done right.


2019 Jeep Grand Cherokee Summit 5.7L Hemi
2016 Sorento SX V6 AWD
2010 Mazda 3 2.0L
2009 Venza V6 AWD
2013 Sonata 2.4L RIP in write-off crash
Re: Windshield: sealing crack [Re: Danno] #4672798
02/21/18 09:18 AM
02/21/18 09:18 AM
Joined: Dec 2005
Posts: 11,299
Upper Midwest
kschachn Offline
kschachn  Offline

Joined: Dec 2005
Posts: 11,299
Upper Midwest
Originally Posted By: Danno
You probably have some rust under the gasket causing the leak. Seen many trucks like this. Slap on the sealer and see if it helps. The alternative is removing the windshield, fixing the rust, replacing the windshield and gasket - talking $2000+ if done right.

Yes, and the rust causing the leak is likely on the pinch weld underneath the windshield, not just beneath the visible gasket on the outside. My Sienna had that same problem and I ended up taking the old windshield out myself, grinding down and cleaning the pinch weld, epoxy primering it myself and having a local shop install a new windshield. All in all including the quart of epoxy primer it was about $450. In my case you could push on the windshield from the inside and see it slightly lift up and move so I knew it had become unbonded.


1994 BMW 530i, 242K
1996 Honda Accord, 275K
1999 Toyota Sienna, 413K
2000 Toyota ECHO, 281K
Re: Windshield: sealing crack [Re: supton] #4672819
02/21/18 09:33 AM
02/21/18 09:33 AM
Joined: Nov 2008
Posts: 13,589
NH
supton Offline OP
supton  Offline OP

Joined: Nov 2008
Posts: 13,589
NH
Hmm, did not think to push on it, see how it feels. If it pushes out I'll have to bite the bullet and have it replaced--I can't see any shop willing to put back in a busted windshield.

I like the car but I'm not about to spend $2k fixing this! Not when 3 cents of duct tape would "fix". wink


2011 Toyota Camry, base, 2.5L/6MT, 183k, hers
2010 Toyota Tundra DC, 4.6L/6AT, 149k, ours
1999 Toyota Camry LE, 2.2L/4AT, 207k, his
Re: Windshield: sealing crack [Re: supton] #4672826
02/21/18 09:39 AM
02/21/18 09:39 AM
Joined: Dec 2005
Posts: 11,299
Upper Midwest
kschachn Offline
kschachn  Offline

Joined: Dec 2005
Posts: 11,299
Upper Midwest
Originally Posted By: supton
Hmm, did not think to push on it, see how it feels. If it pushes out I'll have to bite the bullet and have it replaced--I can't see any shop willing to put back in a busted windshield.

I like the car but I'm not about to spend $2k fixing this! Not when 3 cents of duct tape would "fix". wink

Do they sell Dupli-Color duct tape?

On a serious note though, if you have any intention to keep the car at all you should find a way to correct the water leak. Water running down into the instrument panel and onto the floor (soaking the carpeting in my case) can cause all sorts of problems besides just being annoying. You are correct no one will reinstall a broken windshield, and even removing an intact one without breaking it isn't that easy. The adhesive that isn't compromised is very tough and it's very easy to nick the edge of the glass with the removal tool. I imagined trying to save mine but about halfway through the process I chipped the glass with the cutting wire by holding it at too steep of an angle (trying to not scrape the instrument panel).


1994 BMW 530i, 242K
1996 Honda Accord, 275K
1999 Toyota Sienna, 413K
2000 Toyota ECHO, 281K
Re: Windshield: sealing crack [Re: supton] #4672835
02/21/18 09:47 AM
02/21/18 09:47 AM
Joined: Jun 2002
Posts: 13,019
The Motor City
Kestas Offline
Global Moderator
Kestas  Offline
Global Moderator

Joined: Jun 2002
Posts: 13,019
The Motor City
I've had many a windshield develop leaks at the seal. If you can remove the window, you could properly seal it with minimal material cost. It's been thirty years, but I remember it involved using a special window primer, then a special caulk. This is after prepping the area from all rust and old material.

At that point, you could consider putting in a new window. I'm not sure how much they cost for the DIYer.

Re: Windshield: sealing crack [Re: supton] #4672837
02/21/18 09:48 AM
02/21/18 09:48 AM
Joined: Nov 2008
Posts: 13,589
NH
supton Offline OP
supton  Offline OP

Joined: Nov 2008
Posts: 13,589
NH
Oh I agree, with spring coming around I'd rather fix it now than later. I like the car but let's be real: it's a $1,500 beater, with shot paint, 20 years old with 173k on the clock, etc. Putting say $400 into a new & well sealed windshield is ok, putting $2k into "doing it right" is not ok, and putting on $5 of cheapo sealer most ideal.


2011 Toyota Camry, base, 2.5L/6MT, 183k, hers
2010 Toyota Tundra DC, 4.6L/6AT, 149k, ours
1999 Toyota Camry LE, 2.2L/4AT, 207k, his
Re: Windshield: sealing crack [Re: supton] #4672885
02/21/18 10:13 AM
02/21/18 10:13 AM
Joined: Dec 2006
Posts: 8,555
Canuck living in California
KrisZ Online content
KrisZ  Online Content

Joined: Dec 2006
Posts: 8,555
Canuck living in California
I've had good luck sealing the top gasket with plain old outdoor silicone caulking. The windshield wasn't cracked though, but the installation was poor. Had that vehicle for 2.5 years without any problems.

Last edited by KrisZ; 02/21/18 10:13 AM.

2015 Grand Caravan 3.6L - 31k miles.
2006 Mazda 3 2.0L - 171k miles
Re: Windshield: sealing crack [Re: supton] #4672893
02/21/18 10:19 AM
02/21/18 10:19 AM
Joined: Dec 2005
Posts: 11,299
Upper Midwest
kschachn Offline
kschachn  Offline

Joined: Dec 2005
Posts: 11,299
Upper Midwest
There are these low viscosity "flowable" silicone products that are made to seal leaks around the windshield. They might work for a while, but if your pinch weld is rusted like mine was then I doubt it would work for long. The rust is just going to spall off and it will start leaking again.


1994 BMW 530i, 242K
1996 Honda Accord, 275K
1999 Toyota Sienna, 413K
2000 Toyota ECHO, 281K
Re: Windshield: sealing crack [Re: supton] #4672982
02/21/18 11:10 AM
02/21/18 11:10 AM
Joined: Feb 2013
Posts: 11,482
Phoenix, AZ
Nick1994 Offline
Nick1994  Offline

Joined: Feb 2013
Posts: 11,482
Phoenix, AZ
Yeah I'd just get a big tube of clear silicone for a caulking gun and glue the heck out of it.


2015 Hyundai Sonata 2.4L 95k STP Synthetic HM 10w30 & Wix
2000 Toyota Camry 2.2L 234k Mobil Super HM 10w40 & Fram Ultra
1996 Jeep Cherokee 4.0L 148k Mobil 1 HM 10w40 & Fram Ultra
Re: Windshield: sealing crack [Re: supton] #4673125
02/21/18 12:37 PM
02/21/18 12:37 PM
Joined: Sep 2004
Posts: 8,175
Marshfield , MA
andyd Offline
andyd  Offline

Joined: Sep 2004
Posts: 8,175
Marshfield , MA
Scratch up the surface of the gasket and the paint. Splurge on a roll of Gorilla Tape. I know, but the stuff makes makes ordinary look wimpy.


'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2
Re: Windshield: sealing crack [Re: supton] #4673154
02/21/18 12:57 PM
02/21/18 12:57 PM
Joined: Nov 2008
Posts: 9,816
Phoenix
dishdude Offline
dishdude  Offline

Joined: Nov 2008
Posts: 9,816
Phoenix
The only way you'll fix it is to pull the glass, clean the mounting surface and reseal with fresh urethane. Squirting anything on the outside won't help.


2018 Challenger SRT 392 PUP 0w-40 Wix 57899XP
2018 GTI
Re: Windshield: sealing crack [Re: supton] #4673505
02/21/18 05:23 PM
02/21/18 05:23 PM
Joined: Jan 2004
Posts: 5,195
California
nthach Offline
nthach  Offline

Joined: Jan 2004
Posts: 5,195
California
The right way would be pull the windshield, repair any rust and install a new one complete with fresh moldings. You can find a Chinese windshield for a Camry cheap but it's a YMMV deal for glass quality and install.

That crack is underneath the molding - the PVB inner later is looking OK(no moisture-induced clouding of the laminate) but the pinchweld is a critical area.

Last edited by nthach; 02/21/18 05:25 PM.
Re: Windshield: sealing crack [Re: nthach] #4674126
02/22/18 09:20 AM
02/22/18 09:20 AM
Joined: Dec 2005
Posts: 11,299
Upper Midwest
kschachn Offline
kschachn  Offline

Joined: Dec 2005
Posts: 11,299
Upper Midwest
Originally Posted By: nthach
The right way would be pull the windshield, repair any rust and install a new one complete with fresh moldings. You can find a Chinese windshield for a Camry cheap but it's a YMMV deal for glass quality and install.

That crack is underneath the molding - the PVB inner later is looking OK(no moisture-induced clouding of the laminate) but the pinchweld is a critical area.

I briefly considered buying a piece of glass and trying to follow the FSM procedure for installation. But since I had done the removal and all of the prep work already, the cost for installation was minimal and came with a warranty which wouldn't have been the case had I done the work myself.

They did use Fuyao glass which although made here in the US is a Chinese owned company. The quality is excellent with no distortion I can see in the glass even at the corners. I'm happy with it.


1994 BMW 530i, 242K
1996 Honda Accord, 275K
1999 Toyota Sienna, 413K
2000 Toyota ECHO, 281K
Re: Windshield: sealing crack [Re: supton] #4676255
02/24/18 10:13 AM
02/24/18 10:13 AM
Joined: Nov 2008
Posts: 13,589
NH
supton Offline OP
supton  Offline OP

Joined: Nov 2008
Posts: 13,589
NH
I looked the other day, and I think I see a small hole right in the center of the starburst. I think it's literally leaking through where it got hit. I'm to seal that and see if it fixes the problem.

I pushed on the windshield and it seems tight. OTOH I think I feel some residue on the inside, maybe the PO already sealed it, once before.


2011 Toyota Camry, base, 2.5L/6MT, 183k, hers
2010 Toyota Tundra DC, 4.6L/6AT, 149k, ours
1999 Toyota Camry LE, 2.2L/4AT, 207k, his
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