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Old May 7th 18, 04:42 PM posted to rec.autos.tech
Steve W.[_6_]
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Posts: 1,072
Default windscreen affecting airbags? eh?

wrote:
> On Sunday, May 6, 2018 at 8:01:07 PM UTC+8, Steve W. wrote:
>> The glass is an integral part of the safety systems, on many vehicles
>> the glass is used as a barrier for the airbag. It acts as a backing
>> plate so the bag doesn't just act like a balloon when it deploys and
>> just bounce around. If the glass isn't bonded properly it will break
>> free and the bag becomes useless.
>>

>
> A few weeks ago, I saw a car (25-30 years old) get rear-ended. Apart from'
> the arse end crumpling, the windscreen popped off. So I guess that the
> glue had deteriorated badly....


Probably not the glue but what it was attached to. Most glass is bonded
into the painted window channel, and rust/corrosion or failure under the
paint and the paint just peels up. In my area it is the rust that causes
most issues, even "sealed" connectors corrode internally from it.

--
Steve W.
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