Jul 17, 2013
darthvdr oh my. Now I do not want to park my Tesla outdoor or in the sun.�
Jul 17, 2013
Velo1 July 17, 2013. Sitting at a light and I hear a creaking sound. Look toward to lower right of the windshield and watched a crake grow EXACTLY LIKE THE ONE VGER has.
I emailed SC, and got a return email that pending their inspection, and assuming it is a stress fracture they will replace windshield. I did like someone here suggested and rolled a ball-point pen along the crack and no bumps or chips apparent. Still, it makes me nervous as I can't get over to the SC for 2 weeks, and what happens if I DO get a chip close tot the crack - plausible deniability by TM?�
Jul 17, 2013
AlMc Video rolling the pen over the area should document the problem.
Do we have any feel of how many of these have occurred? I was talking with another S owner at a SC station while charging and he has had two windshields replaced.�
Jul 17, 2013
AmpedRealtor Put some tape on it, that should protect it against small external impacts.�
Aug 4, 2013
digitaltim Uh oh...
It finally happened to me - stress crack found by my daughter over the weekend.
It started in the bottom right hand corner on the passenger side - spread from there toward the top and another line a few inches above the dash towards the driver's side.
I have emailed Rockville, MD service center but not heard back.
There is no indication of anything hitting the windshield.
Now I'll have to get the tint redone as well. :-(
�
Aug 4, 2013
darthvdr What is actually causing the "stress". This thread got me a little worried. For those cars with these cracks, are your cars outside facing intense sunlight?�
Aug 24, 2013
bosgig I got the fracture a few weeks ago--6000+ miles and 6 months after delivery, and the service station was great about replacing it under warranty. The new windshield they installed, however, is NOT the same windshield that was installed originally on the early production cars. They told me this, and it's apparent in the mirror assembly. I assume this windshield change was made in response to this very problem--don't know. BUT. . .the car is now noticeably louder at highway speeds--sounds a bit like a window is cracked (no pun intended). What I don't know is whether this is a function of the new windshield--it just isn't as quiet as the original for whatever reason--or whether it didn't seal properly when they installed it. Has anyone else who got the "new" windshield noticed more noise at highway speeds?�
Aug 25, 2013
lloyds Out of curiosity, anyone can tell distinctly a potentially problematic windshield just be looking at it? I recall seeing a black MS at Teslive that had some weird whitish outlines towards the outer edge of the windshield that I don't have on my MS.�
Aug 25, 2013
texex91 I would make Tesla reimburse you for tint.�
Oct 22, 2013
viet658 You can add me to the list of stress cracked windshields. Tesla was hesitant to cover it under warranty at first, stating that my car (12239) is outside of VIN numbers that they cover and because my crack had a piece missing at the point of origin. They eventually covered it under warranty though.
�
Oct 22, 2013
Chipper OUCH! That looks nasty. It looks as though there are a couple of places. Looks like a chip to the left of the crack too.�
Oct 22, 2013
darthvdr I can see the reason for Tesla's hesitance for covering this. It does look like there was a point of impact.�
Oct 22, 2013
viet658 I can see their hesitation but the point of origin is in a recessed area of the windshield. It would be difficult for debris to hit that area.
�
Oct 22, 2013
darthvdr
Good they covered it. How much does out windshield cost if anyone knows?�
Nov 22, 2013
Iz Just happend to my vehicle as well. It is at 7100 miles. Took delivery in March.�
Nov 26, 2013
darthvdr look forward to getting my new windshield. Although I didn't get it warrantied because it was impact from road garbage, I look forward to getting the car back end of this week.�
Dec 2, 2013
Sousaphil I just got the stress fracture in my car today. Approx 14,000 miles on the car, received it in February and just had it in for the annual service.
It must have happened some time today between my morning commute and lunch.�
Dec 6, 2013
kishdude Sousaphil - just had a crack appear on my windshield on the same day as you here in Phoenix. I'm at 11 months and 10,000 miles. Maybe has something to do with the cooler weather?�
Dec 20, 2013
Zextraterrestrial :crying:
17000 miles - 1 year
freezing temperatures, cracked sometime when I wasn't driving this morning/last night
this morning I did preheat my car for a few minutes and noticed that even with the climate set on floor all of the air was coming out of the defrost vents? 5.8 bug? maybe I need a rest, my internet is broken too..
sorry, car is filthy... I was gone for over a week and it has been crazy windy + cold
- - - Updated - - -
me?�
Dec 20, 2013
mrbry ugh, I can't believe this is still happening. I feel like they should have done a recall if this was widespread and they knew what was causing it.�
Dec 21, 2013
mknox That would be my preference, actually and is how my previous cars with Remote Start worked. They would also activate the rear defroster too if the temperature was below some pre-determined value. In the winter, the primary reason for remote start, or remote HVAC control is to start clearing the windshield of frost/ice. There is no way this should cause glass to crack or every vehicle in Canada would be driving around with broken windshields!�
Dec 21, 2013
cwerdna Recalls are generally for safety-related defects or non-conformance w/FMVSS. I don't think this issue falls under either of those.�
Dec 21, 2013
jerry33 Go to Edmonton or Winnepeg. Lots of cracked windshields, and many that have just been replacedIdeally during the thirty minute cycle there would be a ten or so minutes to just warm the cabin and gently bring the glass up to around freezing and then the defrost would kick on. That method wouldn't crack the glass.
�
Dec 21, 2013
mknox Probably from the rock salt and/or sand they use there hitting the glass, not from heating. It gets plenty cold here in Ontario (was about -2 F just last week)
and I've never heard of windshield glass cracking from defrosting. Usually it's a stone chip that gets some water in it and freezes. Just about every ICE with Remote Start turns on the front and rear defrosters by default when it is cold regardless of where the driver left the settings. I'm not saying it doesn't happen, but it's gotta be pretty rare.�
Dec 22, 2013
CaptDaveHowe I have almost the exact crack, from the same area (passenger side) from the far edge and proceeding upwards about 5-6 inches. I did call Tesla here in NY, and as normal too action right away. They made an appointment for a service call to replace the windshield under warranty. I noticed mine in the morning, right after a drop in temperature over night.�
Dec 25, 2013
Vger As OP, it is perhaps worth posting that almost one year in, and after a number of big freeze/thaw cycles, the replacement windshield is holding up fine.�
Jan 23, 2014
wycolo MS has NO protection over the edge of windshield glass. I've never seen this before. Maybe this is now common practice? If a grain of sand or small pebble is tossed by a truck and hits the unprotected edge of the glass, a crack could easily be generated. Only takes a microscopic scratch if it is close enough to the very corner. Time, temperature and body flex will complete the process.
--�
Jan 29, 2014
Bucket22 I just had the same L-shape crack show up on my previously replaced windshield. Over the summer, I had a crack develop on the passenger side while the car was outside at the Villa Park service center in the sun on a 90F day. They replaced it under warranty. After driving in and parking all day in Tuesday's -16F temps here in Chicago, I have a crack in the driver's side. Will this one be covered under warranty as well (assuming there's no chip found -- it looks like a smooth crack running in from the side), or was the warranty coverage only for the relatively early-VIN windshield that I have already had replaced?�
Jan 29, 2014
PaceyWhitter It is probably caused by chips, but chips can stay unnoticed for a while, especially if they are near the edge of the windshield. A change in temperature can then cause the windshield chip to spider or produce a huge crack.�
Jan 29, 2014
Handsonn I had the exact same stress crack last week. Same location exactly too. Tesla replaced it no questions asked. My car is one year old next week.�
Feb 4, 2014
mnx 
I just had the car at the airport for 5 days, it got a bunch of snow on it so I cranked the heat to HI when the plane landed... I restarted the heat while waiting for my bags. The snow hadn't really melted, but it did make it much easier to clean off. I think there was a ~40C difference between the interior of the car and the outside temp. I drove home, parked the car overnight in the garage and noticed a giant crack in the windscreen this afternoon. I don't remember anything impacting the windshield on the drive home, but I tried running a ball point pen along the crack and it did stick in one spot, there's a tiny circle there I wouldn't have noticed otherwise.
Not sure if I'll be on the hook for this, but I definitely will not be setting the heat to HI again to clear off snow! I remember when I was a kid, my dad had a windshield shatter on a combine on a hot summer day with the AC cranked.....�
Feb 4, 2014
RDoc There's something wrong with these windshields.
I've lived in cold climates my entire life and have never heard of a windshield cracking from heat, if Tesla windshields do, there's something wrong with them.
Likewise tiny dings in windshields do not normally crack them unless you are exceptionally unlucky. If they are that fragile the design is wrong.�
Feb 4, 2014
jerry33 When I lived in Canada, this was a common occurrence, I'd saw lots of cars with a thermal crack. The solution was to preheat the car but not use the defrosters until the glass had a chance to warm up gracefully.�
Feb 4, 2014
mknox I'm sorry, but I do live in Canada and have been driving here for almost 40 years. I've had my share of cracked windshields, but ALL were due to flying debris. I regularly start my cars and crank the defrost on high, sometimes for hours... long enough to melt layers of ice, and have never had a so-called "thermal crack". I've done this for years as did my father before me. I have never known anyone here who suffered a broken windshield due to the application of the defrosters.
I'm not saying it has never happened, but it's got to be very rare. What does happen a lot is when a very minor chip is left unattended and then water gets in and freezes, a huge crack can result. That happened on my wife's Vibe two winters ago, and I kicked myself for not having the small chip repaired before the winter.
I got a chip in my Model S's glass when the tiniest piece of stone (more like a grain of sand) bounced off the glass last summer. I was kinda surprised that a chip resulted from such a minor impact, but in any event, I had the chip repaired the same day it happened. So far, my windshield is holding.
If we can't use the Model S's app to pre-heat and defrost the car in winter, what good is it?�
Feb 4, 2014
jerry33 You're right that most do start with a rock or other debris and the heater just finishes the job.�
Feb 5, 2014
mnx I forgot to mention it's even more of a bummer since I had the windscreen tinted...�
Feb 5, 2014
Zextraterrestrial should be covered. I had no questions asked when I sent a picture just like yours. Did your windscreen have distortion on the bottom ~1"? mine cracked exactly the same as yours and it seemed like there was some sand/gravel nicks along the crack but cracking that easy is just not right + there is no way to turn down the temp- if the car is really cold and you set the temp to the lowest setting above 'min' it will blow raging hot air until the temp comes up, unless you actually go out to your car and try and change the blower speed / vent setting but I find that changing the vent setting doesn't work either if the car is cold and it will blow on the window regardless of what you try (I don't like this part of the Climate control at all)�
Feb 5, 2014
weccman Sorry to hear this is happening to some, but on the other side, my wife recently had a piece of 2 x 4 hit our windshield as she was driving on the freeway with such force that she expected the windshield to shatter. It did not, and there seems to be no damage at all. After washing the car, I could not even see where the debris collision occurred.�
Feb 5, 2014
TEG Related other thread:
Windshield chips?�
Feb 6, 2014
mnx Yeah they said via e-mail that they are going to cover it.
�
Feb 14, 2014
efusco A "me too" post. Windshield was fine going to work this AM. Came out to go home this afternoon and had a "pretty" symetrical 3 pronged stress fracture on the driver's side window. Starts about 1/3rd the way up and extends from the edge of the glass for about 8-10 inches on the longest curl. No impact damage to be seen. Called Customer Service, St.Louis SC called within 30 min. and they're picking it up on Tuesday (can't be done as Ranger service unfortunately, but they hope to have it back by Tuesday evening. As many others, I have an early VIN (001267), the wavy glass at the bottom.
�
Mar 1, 2014
tamperage Hi guys. To inform you all. The windshield stress crack problem is due to the manufacturing process of the windsheild. The internal tension in the glass is above nominal threshold creating a higher propensity to crack.
Without going into too much detail about why.... The UV/IR coating is very advanced but also caused issues in gravity sag process, inside the lehr, heat is absorbed and released much differantly than a traditional non-coated piece of glass. Therefore controlling shape (curvature) and inner tension and outer compression was difficult. The entire windshield is not above tension threshold, just particular locations. Therefore probably to crack is much higher in those areas with any sort of activity which may induce mechanical stress by means of thermal expansion, impact, flexure.
Incase you were wondering the installation angle is 24.4 from horizon, very low
The good news is the problem has been corrected and current production will not exhibit cracking issues.�
Mar 1, 2014
RDoc Source?�
Mar 3, 2014
Nikwozhere Crack on left upper front windshield
I woke up up to the same crack after hearing a loud "crack" the day before but seeing nothing. The service center referred me to the local repair shop they have approved and said they would determine if it is a stress fracture or impact fracture.�
Mar 6, 2014
DFibRL8R Just had my windshield replaced for an L-shaped stress crack on the passenger side and there is an added bonus getting the new glass. I have an early Model S Vin 3983. When I first got the car, the only place I could mount the transponder was directly on the plastic cover of the rear view mirror. The transponder now works fine placed directly to the right of the rear view mirror on the glass. I read somewhere that the windshields on early production vehicles had the RF blocker throughout with no unblocked area for toll tags.�
Mar 14, 2014
RobsJester
Sadly Darth, a new window and labor cost $1,444
� $875 for the glass, labor is 490 +tax (almost twice the cost to replace the windshield of a "S Class" Merc - $800+/-)
I have an early VIN (03818) and this is the second window crack originating from the passenger "A" Pillar. The first was replaced in Dana Beach, FL without any question last summer. Although the crack looks eerily similar to the last break, I've been told it failed the ball-point pen check, so I'm out the insurance deductible - and my insurance company is out a grand on top of that.
There is always a silver-lining, for the last month, I've watched the crack slowly grow, marking the spiderweb's progress like a proud mother penciling her first-born's height in a doorframe, at least I now have something to do while sitting in LA traffic.
To those in the know, a ranger preformed Sb-13-10-006 on the passenger "A" pillar to reduce the "popping" noises when driving, but I doubt a flathead screwdriver and mallet solved the underlying body flex that could be contributing multiple cracking windshields.
Here's a link to the pict: Windshield2_zpsfd9b1f80.jpg Photo by roadhd | Photobucket
Don't get me wrong, I love the car, company, and brand; I'm just hope my car doesn't continue to pop $1,488 windshields every six months.�
Mar 26, 2014
RobsJester EDIT: After a few weeks, I took the car in to the service center to have the windshield replaced. The service manager looked at the crack and comped the windshield, so very excited and appreciate it very much. Thank you Tesla.�
Mar 26, 2014
Hank42 Stupid question alert: What is the ball-point pen check?�
Mar 26, 2014
Robert.Boston Run a ball-point pen along the crack. If it catches somewhere, that point is where the stone hit that caused the crack. If it doesn't catch, then the crack is deemed a stress fracture.�
Apr 1, 2014
aaronw I just had my windshield crack, though this time it's right in the middle at the base. It looks like it cracked right where the wiper rests against it. It cracked while driving back from Reno through the snow. The biggest thing to hit it was sand. I think it was likely stress, perhaps due to running the defroster.�
Apr 1, 2014
JST BMW quoted me $1200+ for a new windshield on my E61 5 series. Thankfully, there were aftermarket options available for about half that cost (OEM glass, but with no BMW logo). I'm guessing that there probably aren't aftermarket options available for the Model S yet, but it might not hurt to call an independent glass company and ask them.
Of course, even if you could do that, the chances of you getting the *next* windshield comped would be zero, ball point pen or not.�
Apr 1, 2014
johnnyS I believe most of the early windshields that cracked started in the lower right corner. Mine cracked starting from the lower left corner. Tesla replaced ours without any questions--I think I just described it on the telephone and they brought me a loaner. The newer windshields have a slightly beveled edge that the early cars did not have.�
Apr 4, 2014
aaronw Looking closely at the crack on my windshield it looks like there is a slight nick exactly where the windshield wiper blade rests. Unlike the others, this one started in the middle at the base of the windshield. This happened during my first significant trip in cold weather in over a year of owning the car. I cannot see how Tesla could claim it would be road debris since the slight divot is so low and would be next to impossible to hit. Most of my driving (even with snow) was with my wipers off since I had coated my windshield with Aquapel. Nothing bigger than grains of sand had hit my windshield either. The car claimed it got down to about 30F outside and while I have driven it in colder weather it was never for so long a stretch of time. I'll find out on the 16th what Tesla says. In the meantime the crack continues to grow.�
May 13, 2014
Morristhecat Darn, i just noticed a crack! Looks like it started in the bottom middle edge and has propogated sideways from there. Hope it is just a
Stress fracture and will be covered. Passes the balpoint pen test. Guess I'll call the Service Centre now...y
�
Jan 9, 2016
Sm4llz Sorry to resurrect this but I'm wondering if anybody has noticed any cracks from stress on the rear hatch window. Just noticed a similar crack today starting from the bottom and going up..probably 10 inches in length. Doesn't appear to be from a rock and it would be odd that something would hit the rear window. I'll grab pictures tomorrow when it's lighter out.�
Jan 9, 2016
Sm4llz 
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Aug 17, 2016
rezaj Same here. Looks identical to many of the other photos. Lower right side. Crack from the lower side that extends inward and branches in two, one going up and one going down. One minute fine. Walked away to talk to someone; walked back to find the crack. All while parked at the showroom parking lot.�
Aug 21, 2016
Chris EC-Rent A couple of weeks ago, a windshield of one of hour Teslas had a fracture. We had it prepared, and today at the same car: a fracture. Tesla didn't fix it, because for windshield problems you go to a specialised company here in the Netherlands. The insurance covered it, so we only had to cover the excess of about � 100,-. But if this keeps on happening I wonder if the insurance keeps on paying and we also wouldn't be happy to always pay our excess. So I'm going to contact Tesla about this and see what have to say about it.�
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