I seriously doubt that would cause the crack unless you have an extremely cheap glass from the third world country that was sold illegally.
All glass sold in US has to meet safety requirements and even the cheap aftermarket ones that meet the minimum requirement would not crack from jacking up the car. While Nissan may not use the best quality parts, I'd bet that the OEM glass is better made than the aftermarket ones.
Furthermore, I would be afraid to jack up the convertible Z at all if that's the case.
Quote:
Originally Posted by speedfreek
It is due to where you jacked the car up....it is due to the uneven surface. Yes that little bit of a difference between the garage and driveway will flex it enough to crack.
In the future either have the car all the way in the garage or all the way in the driveway. Much easier to move the other car out then to keep replacing windshields.
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