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I guess what I'm asking is, what will happen if I just continually use my jack directly on the pinch weld. Because I've not ever seen a thread or pictures documenting any damage beyond the pinch weld being bent over on itself slightly. I know it seems bad to do that, but is there any direct evidence that this process compromises structural integrity?
It just seems odd to me that they would build a car knowing it is going to be jacked up, and worked on by enthusiasts at home fairly frequently, and put pinch welds on it that are not structurally sound and require aftermarket parts in order to jack up the car. It just doesn't make sense. So my thoughts are, that its probably sturdy enough to just be jacked on the pinch weld and its not as big a deal as people make it out to be.
And not only that, my jack happens to have a fairly small cup and fits on the rear jack point pinch weld. But larger, sturdier floor jacks have larger cups or plates, and certainly would not be able to hit the pinch weld without hitting other structures like the rocker panel. So they would HAVE to buy aftermarket items just to jack the car.
I just don't get it.
What do people do who aren't car enthusiasts and know their vehicles to the extent we do? All the people out there with base 4's and 6's, what if they break down and have to jack their car on the side of the road? It seems like they run a good chance of destroying something and creating a warranty claim. Why would GM not put a sturdy, from-the-factory area to place a jack??
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