NEED HELP: rear window defrost glass breakage - FordTough.ca - Home of Canadian Ford Truck Enthusiasts
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post #1 of 12 (permalink) Old 04-07-2011, 07:30 AM Thread Starter
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rear window defrost glass breakage

basics: 2010 f150 FX4 equipped with electronic sliding rear window. early morning headed out to get a coffee on my way to work, frost on all the windows turned on hvac system and rear defrost. Started to drive away and heard a loud pop/bang like someone threw a rock the the truck.

stopped the truck got out looked around didn't see any damage until i looked at the passenger side panel of the rear window it has completely shattered but remains intact. it was dark outside so i can't see any impact point and there is no evidence on the truck of a rock or any thing else that could have caused the glass to shatter.

I'm curious to know if anyone has had any issues with the rear defroster that could cause the glass to shatter or if there has been any issues with rear glass in general; and finally is there any chance this could be covered under warranty? sorry if i posted this in the wrong place i wasn't sure whether glass is considered interior or exterior. thanks in advance for insights and opinions.
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post #2 of 12 (permalink) Old 04-07-2011, 07:03 PM
 
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I haven't heard of anything like that before, but I would say that if there was a problem with the glass/heating strips then I could see it shattering. I would call your dealer about the warranty, seems like something they could work out for you.

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post #3 of 12 (permalink) Old 04-14-2011, 06:36 AM Thread Starter
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update

took in to the dealer. They had not seen anything like it either. left it there for the day while they took pictures and sent them off to Ford for a decision about warranty coverage. The good news is it is covered by warranty the bad news is that the parts are on back order. Apparently it is a new part number and the entire rear window assembly will be replaced so now i just get to wait for the call that the part is available at the dealership.
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post #4 of 12 (permalink) Old 04-14-2011, 04:47 PM
 
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Well at least it's being covered.
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post #5 of 12 (permalink) Old 04-15-2011, 02:45 PM
 
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Good thing that they are covering it.

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post #6 of 12 (permalink) Old 04-15-2011, 05:19 PM
 
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I was in a chebby work truck (early 90's chebby) with a coworker on lunch sitting eating and POP back window blew in it was cold out but a warm sun it ended up being a fire extinguisher that was resting on the glass (outside on a backrack) as the window expanded it pushed enough I guess it popped the back window out



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post #7 of 12 (permalink) Old 02-21-2014, 09:29 PM
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2012 FX4 Same issue - no Ford coverage

Same thing happened to me yesterday. The bang made me jump. Seems after searching around the net the identifier something is going to go wrong is the smell of burning rubber just before hand. Maybe was short in defroster. I did not make any relation and today noticed the window on the driver side rear was completely shattered but in the truck still. Outside looks like spider web cracks pushing out. Was +1c out but ran defrost for mirrors. Just hit 65007 km's. Dealer hands tied, gave me Ford customer service number, took information but said nothing to that effect in system to cover. Told to keep receipts in case anything comes later. Part is $800.84 from dealer, full window with defrost and power slider. Dealer referred me to the repair shop they use for glass. He found same OEM part from his supplier for $565 plus $110 and $40 to install plus tax. Have to bite the bullet and have it replaced. Back seat has to be removed and 2 hours to complete. Hopefully the next one does not do the same thing. Wish the defrost for rear window and mirrors were not tied together.
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post #8 of 12 (permalink) Old 02-22-2014, 08:36 AM
 
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That sucks, should have taken some pics, but you can always find reliable identifiers on the net.

I'm curious how the mirror defrost and rear window defrost being tied together relates to the failure?

If you had a separate circuit for the rear defrost, sounds like the window could still fail.

Incidentally, how do you manage to drive 65,000 km in two years ? Definitely outside the warranty period.

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post #9 of 12 (permalink) Old 02-22-2014, 10:44 AM
 
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I think he's just meaning maybe just run defrost on the mirrors as the rear window is not always needed.

There is usually a plug to disconnect them on the lower corners.

I just passed 2 yrs (January) owning my truck and I'm at 83,000km.



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post #10 of 12 (permalink) Old 02-22-2014, 11:51 AM
 
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I get that he wants them separate, but he makes it sound like if they were separate, this wouldn't have happened.

So what, you avoid using the rear defrost because the window might blow out, so just defrost the mirrors and call it good ?

By that logic, maybe he should avoid staring his truck in the morning, it could catch on fire.

83,000 in two years, geesh, I'm lucky if I put 20,000km in one year, usually run out the warranty on time, not mileage.

I suppose if you use it as a work vehicle and have to travel, those klicks would add up in a hurry, I withdraw my mileage question. lol

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