The pinch weld is a spot that usually suffers when a vehicle has been the victim of a bad windshield replacement. Most people do not know what the pinch weld is, though. One other way of describing the pinch weld would be to call it a channel, as it certainly looks like one. This channel is the groove or small canal made of metal where you typically fit a piece of replacement windshield auto glass to a vehicle’s frame, and it is where the urethane adhesive used for this procedure is applied.
Now when a windshield replacement is done by a genuinely skilled, properly trained specialist, you have very little to worry about with your pinch weld. Unfortunately, in most cases, technicians for this work are a little less than perfectly trained. This makes a difference when they start removing your old windshield from your car’s frame for a replacement. Technicians are required to cut away almost all the polyurethane in the pinch weld for this, but some go a little too far with their instruments and end up damaging the actual pinch weld or body of the vehicle.
These scratches may seem minor at first, and you shall in all likelihood not even notice that anything is wrong with your car right after the replacement. The new windshield shall seem to be fitted properly. But if these scratches are not treated—which is something an expert in windshield replacement would have done before installing your new windshield—they lead to rust, and this rust can be one of the worst things you can ever get in your vehicle’s pinch weld.
Just one of the possibilities here is that the rust shall eventually eat away enough of the pinch weld to ruin the attachment of the windshield to the vehicle, leading to a serious compromise in the part’s structural integrity and raising the chances of cracks propagating while also making your vehicle less safe. Another possibility is that if something does happen to your windshield again, you shall not be able to get the replacement you require for it, simply because it shall be impossible to attach a new piece of glass already to your corroded pinch weld. In fact, if you bring a vehicle with such a pinch weld to a true windshield repair expert, you shall likely be denied the replacement you want, as it is against proper procedure to install a new windshield on a corroded pinch weld.
In that case, the only way for you to get another windshield replacement shall be to get a pinch weld repair or replacement too. This obviously brings up the costs of repairing your vehicle. To avoid things like this happening, simply ensure that you bring your car only to reputable, very well-trained experts for any repair job.
