Why did my back car window shatter?

Extreme heat causes expansion. A crack or nick in your auto glass can grow as the glass expands under the heat. … After too much of this, the glass can completely shatter if it receives any type of shock or hard shake. Whether heat or cold, the process of thermal stress is a common cause of auto glass damage.

What can cause a back window to shatter?

Considerable stress can build around chips, cracks, or other imperfections in the edges of a tempered glass window. Over time, environmental stressors like temperature, wind, and road vibrations can put those glass imperfections under even more stress, which triggers spontaneous breakage. Thermal stress.

Why did my rear window exploded?

When the glass is whole and intact, this expansion and contraction is completely harmless and unnoticeable. But when there’s a chip or crack in it, the glass gets continuously more damaged with every expansion and contraction. Eventually, this causes it to shatter as though it had just been struck by something large.

Can car rear glass break on its own?

It can happen anytime, and if your car is parked outside, there is a good chance that its back glass will be damaged. Tree branches and other heavy particles blown by winds can leave your back glass damaged. Moreover, hailstones can also cause damage.

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Can you drive with a shattered back window?

Your windshield and windows must have good visibility.

In short, you can’t drive with a broken window—whether it’s missing or you’ve taped a garbage bag to the window frame as a stopgap. You risk getting a ticket if you drive around with a broken window for very long.

Can a car window just shatter on its own?

Sometimes a car window can shatter almost spontaneously, such as when the vehicle door is closed particularly hard. … As the damage develops during normal vehicle use, the glass becomes more vulnerable to pressure and can eventually break unexpectedly.

How much does it cost to replace back window?

The average cost of a rear window replacement is $325. Rear window replacement costs ranged from $200 to $450 in the US for 2019 according to RepairPal. Estimates do not include labor costs, taxes and fees.

Can a car window shatter from heat?

When Can Glass Shatter from Heat? … Indeed, the glass on your car helps to shield you from one hundred degrees plus weather. However, Glass can suffer a thermal break when the temperature gets too hot. Thermal breaks tend to occur when the glass expands and contracts due to temperature differences.

Will windshield shatter if cracked?

The short answer is yes, a cracked windshield can shatter. … Windshields are held in place with strong urethane adhesives, which prevent leaks, noise and movement of the glass. Also, because the glass is laminated, the entire windshield generally won’t separate from the frame.

How much does it cost to replace a smashed car window?

Types of Windows

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Type of window Cost
Passenger window replacement $100–350 depending on the model
Car door window replacement $100–350 depending on the model
Driver window replacement $200–450 based on a variety of factors
Front windshield replacement $200–$500 average

Can I drive my car with a smashed window?

Driving with a cracked windscreen can be considered a motoring offence. It could constitute use of a motor vehicle in a dangerous condition. The Highway Code states that drivers should have a full view of the road ahead and glass should be maintained in a good condition.

Can your back window be covered?

“The California Vehicle Code says yes, you can have stuff in the back of your car box if it blocks your rear view mirror,” said Sgt. … “As long as you have two outside mirrors: one on the left and one on the right.”