C7 General Discussion General C7 Corvette Discussion not covered in Tech
Sponsored by:
Sponsored by:

Totally weird. Rear window shattered.

Thread Tools
 
Search this Thread
 
Old 07-04-2017, 02:54 PM
  #1  
xxaarraa
Racer
Thread Starter
 
xxaarraa's Avatar
 
Member Since: Apr 2016
Posts: 478
Received 104 Likes on 66 Posts
Default Totally weird. Rear window shattered.

OK car is parked on my sister's driveway in NOVA. Safe neighborhood, they have never had any problems. Their Audi and Odyssey are parked right next to the Vette.

I wake up and find this.










Happened around 2 AM at night. My sister heard the alarm go off, went to the window and didn't see anyone. Neighbor this morning confirmed that they heard the alarm as well around the same time.

Looks like a break-in attempt right? What's weird is there is absolutely no marks elsewhere in the car -doors and door lock/handle area show no signs that someone tried to get in and no scratches or scuffs anywhere else. Literally, it seems like someone walked up to car and tried to pry the rear windscreen off, and when they couldn't, alarm went off, so they ran off.

That just sounds weird. I'm no car theft expert, but prying the rear glass isn't where I would go first if I was trying to steal a car. Anyway, I have zero deductible glass coverage and already made an appointment with SafeLite tomorrow morning at 8 AM. Anything I need to be on the lookout for when they replace the rear glass as far as trim or defroster install etc.?

Last edited by xxaarraa; 07-04-2017 at 02:57 PM.
Old 07-04-2017, 02:59 PM
  #2  
fsvoboda
Melting Slicks
 
fsvoboda's Avatar
 
Member Since: Sep 2013
Location: East Lansing, MI
Posts: 3,119
Received 795 Likes on 565 Posts
Default

Originally Posted by xxaarraa

Looks like a break-in attempt right?
It's also possible that this was just a stress crack in a flawed rear glass. A close look at the glass by the repair guy might give you a clue as to likely cause.

Old 07-04-2017, 03:05 PM
  #3  
Bavaria
Burning Brakes
 
Bavaria's Avatar
 
Member Since: Oct 2014
Location: Goodyear Arizona
Posts: 802
Received 121 Likes on 93 Posts
Default

Originally Posted by fsvoboda
It's also possible that this was just a stress crack in a flawed rear glass. A close look at the glass by the repair guy might give you a clue as to likely cause.

Old 07-04-2017, 03:10 PM
  #4  
Mike Campbell
Le Mans Master

 
Mike Campbell's Avatar
 
Member Since: Jan 2002
Location: Ft. Myers FL
Posts: 5,746
Received 1,067 Likes on 591 Posts

Default

Could be if you're near a flightpath that it was a piece of ice off an airplane. If someone wanted to break into your car why would they break that window in that spot? Much easier to do the side window. Just saying.
Old 07-04-2017, 03:32 PM
  #5  
xxaarraa
Racer
Thread Starter
 
xxaarraa's Avatar
 
Member Since: Apr 2016
Posts: 478
Received 104 Likes on 66 Posts
Default

Originally Posted by fsvoboda
It's also possible that this was just a stress crack in a flawed rear glass. A close look at the glass by the repair guy might give you a clue as to likely cause.

Really? Can glass spontaneously explode like that? I has been pretty hot here the past few days - 95 degrees.

None of the other cars on the driveway had any issues though.
Old 07-04-2017, 03:43 PM
  #6  
stevebz06
Melting Slicks
 
stevebz06's Avatar
 
Member Since: Nov 2005
Posts: 2,075
Received 304 Likes on 205 Posts

Default

Originally Posted by Mike Campbell
Could be if you're near a flightpath that it was a piece of ice off an airplane. If someone wanted to break into your car why would they break that window in that spot? Much easier to do the side window. Just saying.
Maybe it wasn't a break-in. I have an 86 Vette that had what appeared to be a spontaneous rear window shattering inside a garage. I was standing a few feet away when it happened so I'm sure that it wasn't crime related.

I looked pretty hard for errant golf *****, bullets, etc., but couldn't find anything.

Asking around, somebody said that an associate who worked in glass manufacturing said that magnesium contamination was rumored to cause spontaneous failures.
Old 07-04-2017, 03:52 PM
  #7  
23/C8Z
Race Director
 
23/C8Z's Avatar
 
Member Since: Oct 2008
Location: NJ
Posts: 12,473
Received 5,756 Likes on 3,174 Posts

Default

Yes. Stress cracks and fractures are actually quite common Google it. Have had it happen to house windows as well. Even covered under mfr warranty if you can see the crack runs t9 the edge of glass which in the OP case is a moot point. The side and rear windows shatter like that as a safety precaution. But that inhibits someone's ability to diagnose why.

get it fixed and move on.
Old 07-04-2017, 04:01 PM
  #8  
Patches
Team Owner
Support Corvetteforum!
 
Patches's Avatar
 
Member Since: Sep 2001
Location: Lake Elsinore, CA
Posts: 23,283
Received 889 Likes on 587 Posts

Default

This same thing happened to the rear window on my 86 Trans Am many years ago. I was living in Ft. Lauderdale at the time. I had just driven the car for about 2-3 minutes from my apartment to a local supermarket and parked it in the lot. About 30 seconds after going in the store, I heard my license tag called out over the PA system so I ran out to my car. The rear window had completely exploded and the remaining hatch had been blown back about an inch from the resulting force, pulling it out of the latch. Several people told me they heard the explosion from across the parking lot and no one was near my car when it happened.

Apparently, the hot summer South Florida sun had heated the glass, I had run the A/C for a few minutes driving to the store, and then the sun heated the glass again while the car sat in the lot. The pressure differential it created due to the temp differences inside and outside the car sucked the window into the cooler interior. Most of the glass ended up inside the car. My T/A was about 4 years old when this happened.

I still have the hard-copy pics I took for the insurance company back then.

Name:  TA3Small.jpg
Views: 981
Size:  123.8 KB

Name:  TA4Small.jpg
Views: 1143
Size:  115.2 KB

Name:  TA5Small.jpg
Views: 1035
Size:  90.8 KB

Blew the hatch back over an inch.
Name:  TA6Small.jpg
Views: 959
Size:  98.5 KB
The following users liked this post:
egp (07-04-2017)
Old 07-04-2017, 04:03 PM
  #9  
fsvoboda
Melting Slicks
 
fsvoboda's Avatar
 
Member Since: Sep 2013
Location: East Lansing, MI
Posts: 3,119
Received 795 Likes on 565 Posts
Default

Originally Posted by xxaarraa
Really? Can glass spontaneously explode like that? I has been pretty hot here the past few days - 95 degrees.
Yes, and really hot or really cold temperatures make it more likely. In Michigan a classic case is when it's extremely cold outside and someone turns on their rear defroster and the rear window shatters from the big change in temperature. Again, the glass guy probably will have an idea.
Old 07-04-2017, 04:06 PM
  #10  
Rebel Yell
Le Mans Master
 
Rebel Yell's Avatar
 
Member Since: Jan 2006
Location: Down south in Dixie
Posts: 6,801
Received 2,639 Likes on 1,702 Posts

Default

It could be from the heat as I don't see any pry marks that would show if someone tried to pry it off. Kinda odd though.
Old 07-04-2017, 04:07 PM
  #11  
Rooster OG
Le Mans Master
 
Rooster OG's Avatar
 
Member Since: Jul 2015
Location: Northern California
Posts: 6,223
Received 1,694 Likes on 1,240 Posts
St. Jude Donor '15
Default

I've read lots of instances of the sunroof breaking, especially on my Ford daily driver. It hasn't happened to me yet, but I think it happens more frequently than people realize.
Old 07-04-2017, 04:07 PM
  #12  
Streetrod782
Burning Brakes
 
Streetrod782's Avatar
 
Member Since: Feb 2015
Location: Lindenhurst Illinois
Posts: 1,012
Received 187 Likes on 122 Posts
Default

On a side note do some research on safelite. Ill let you make your own decision but I would be getting it done at the dealer with OEM parts. I wouldn't let them touch my 2006 Camry.
Old 07-04-2017, 04:12 PM
  #13  
stevebz06
Melting Slicks
 
stevebz06's Avatar
 
Member Since: Nov 2005
Posts: 2,075
Received 304 Likes on 205 Posts

Default

This looks and sounds similar to my episode, but my car was shaded inside a garage and the air temp as about 80 degrees.

One thing I didn't mention was that I had an air compressor running in the garage, so maybe there was a sympathetic frequency thing going on.
Old 07-04-2017, 04:17 PM
  #14  
dmaxx3500
Team Owner
Support Corvetteforum!
 
dmaxx3500's Avatar
 
Member Since: Jan 2008
Location: chicago
Posts: 30,856
Received 1,183 Likes on 748 Posts

Default

in the winter time,if you try to melt ice off a windshield,by using ''HOT'' water you can crack glass,,

so yours could have just broken on its own
Old 07-04-2017, 05:08 PM
  #15  
aj98
Melting Slicks
 
aj98's Avatar
 
Member Since: Dec 2005
Location: SE VA VA
Posts: 2,017
Received 168 Likes on 137 Posts

Default

I'm thinking falling object....

My neighborhood is considered "safe" but some early 4th celebrant nimrods in surrounding neighborhoods have been cranking off a round or 10 into the air at all odd hours...
they gotta land somewhere. (yea, they sound different than fireworks)
Old 07-04-2017, 05:19 PM
  #16  
vbdenny
Drifting
 
vbdenny's Avatar
 
Member Since: Jul 2016
Location: Virginia Beach Virginia
Posts: 1,481
Received 391 Likes on 279 Posts
Default

I've had rear car windows shatter for no apparent reason. Looks like yours must have had some pressure at the corner. Tempered glass is very weak on the edges despite it's great strength directly.
Old 07-04-2017, 06:11 PM
  #17  
owc6
Team Owner
 
owc6's Avatar
 
Member Since: Apr 2013
Posts: 24,543
Received 4,186 Likes on 2,679 Posts

Default

Is it Memorex, or is it live?


Yikes!

Get notified of new replies

To Totally weird. Rear window shattered.

Old 07-04-2017, 07:09 PM
  #18  
Boba Fett
Race Director
Support Corvetteforum!
 
Boba Fett's Avatar
 
Member Since: Aug 2011
Location: Shits Creek NY
Posts: 10,783
Received 485 Likes on 347 Posts

Default

Originally Posted by owc6
Is it Memorex, or is it live?


Yikes!

u got it backwards...
Old 07-04-2017, 07:15 PM
  #19  
owc6
Team Owner
 
owc6's Avatar
 
Member Since: Apr 2013
Posts: 24,543
Received 4,186 Likes on 2,679 Posts

Default

Originally Posted by Boba Fett

u got it backwards...
It is the rear window, after all.
Old 07-04-2017, 07:58 PM
  #20  
lgodom
Drifting
 
lgodom's Avatar
 
Member Since: Jul 2008
Location: West TN
Posts: 1,496
Received 286 Likes on 208 Posts

Default

Something could have struck the glass and shattered it. A BB would easily do it. Still sucks though. Hopefully there's was no paint damage from the glass shattering.


Quick Reply: Totally weird. Rear window shattered.



All times are GMT -4. The time now is 01:53 AM.