My old shop lead swore by a heat gun on hail dents, and he was right
Back when I worked at a shop outside Tulsa, my lead kept telling me to warm panels before working hail damage instead of going straight to the slide hammer. I thought it was a waste of 10 minutes, so I kept rushing it. Then I spent 6 hours chasing two dings on a silver Camry hood that kept oil canning, and he walked over, hit it with a heat gun for 3 minutes, and it popped right out. Now I keep one plugged in on every hail job. Anyone else find that heat does more for you than brute force on cold panels?
The heat trick works even better if you warm the panel from the back side and let it cool slow after you push the dent out. Keeps the metal from getting stressed and those little sharp crowns don't come back. Learned that the hard way on a black truck hood that showed every ripple in the sun.