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Hot water, Cold day

Rosey G5

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Got a question,Does hot water on a cold day crack windshields?I've never had a complaint.Just wondering if anybody actually has seen it happen.
 

troyberry

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I have seen the rear window of an F150 get blown out in an automatic. The truck had been sitting outside all morning in -28 Celsius and then we washed it. It blew out right after the second pre-soak pass.
 

rph9168

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I have seen cold water blow out a windshield on a hot day but not hot water do the same on a cold day.
 

JMMUSTANG

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You might want to explain to the customer that the only way this could happen is because there had to be a chip or small crack in the windshield before they came.
Explain to them that in no way could your car wash crack a windshield unless there was some sort of previous damage that they might not have noticed.
That they can check out other cars that go through the wash and they do not have a crack windshield.
That if they would would report it through their insurance company you would pay them their deductible ($50-10) after the windshield has been fixed but not before.
I doubt your insurance would pay for a new windshield so you would be out a lot more if you had to pay for a new one.
 

Rosey G5

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possible,but highly unlikely

Thanks for the replies.I told management that its highly unlikely,unless there is previous damage.
 

Jeff_L

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Agreed - need a weak point in the glass first. Also, how hot would the water be when it hits the car after travelling from the tip to car surface? I would imagine it drops quite a bit?
 
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