What to Do When a Car Door Gets Dented?

[DiFinn]

For a dented car door, you can use a hairdryer to heat the area, apply petroleum jelly around the edge of a plunger, place it over the dent, and pull hard to remove the dent. Here are detailed solutions: 1. For small, minor dents on plastic body panels, you can use a lighter with aluminum foil or a hairdryer to heat the area until it softens, then push it out from the inside with your fingers. Alternatively, pouring boiling water over the area can achieve the same effect. 2. For larger dents on aluminum or metal body panels, you can use a plunger with petroleum jelly applied around its edge, place it over the dent, and pull hard to remove the dent.

[WillowRose]

The other day I wasn't paying attention to the rearview mirror while reversing and scraped the door against a pillar, leaving a dent. Don't rush to get it repaired when this happens—first check the depth of the dent and the condition of the paint. For shallow dents without chipped paint, you can use a suction cup to pull outward, and a heat gun to locally soften the paint for easier restoration. If there are crease marks along the edges of the deformation, it means the metal layer is severely damaged, and DIY attempts might make things worse. My neighbor once tried using a toilet plunger to suction it out, only to tear off a patch of paint. It's recommended to prioritize paintless dent repair (PDR) technology, which can restore up to 90% of the damage without needing filler or repainting—many quick repair shops can finish it in two hours. If you're really on a tight budget, you can buy a dent repair toolkit on Taobao, but success depends heavily on your technique and experience.

[VonJosephine]

I've experienced having a car door dented when it was hit by an electric scooter while parked roadside. The key is to handle it in three steps: First, use a flashlight to illuminate the dented area and observe the distortion of the reflective surface to decide the repair method. For small, shallow dents, you can try dry ice repair—spraying cold mist onto the dent to make the metal contract and reset, costing just a few dozen yuan. For moderate dents, I recommend using magnetic pull tools; for my car, I used strong magnets to sandwich the dent from inside and outside, slowly pushing it back into place, but be sure to wear protective gloves. If the primer is exposed, prioritize applying anti-rust primer, or it will corrode from the inside during rainy seasons. If the door makes unusual noises when opening or closing, the internal anti-collision beam might be damaged, in which case you must seek professional sheet metal repair.

[EmersynRose]

Last time, a mischievous kid in the neighborhood threw a stone and dented my car door, which really broke my heart. Actually, don’t stress too much over small dents in daily life—first, measure the size with a ruler. For coin-sized dents, a hot glue stick can be a quick fix: heat the glue stick and stick it to the center of the dent, then quickly pull it out once it solidifies. If the paint isn’t chipped, applying car wax a few times can reduce the visual appearance of the dent. If the dent is near the door’s impact strip, you might even be able to push it out from the inside by removing the interior panel. Remember, never follow online advice to hammer it out—my friend tried that and ended up cracking the paint. If you’re unsure, just take it to a quick repair shop for an assessment; many shops offer free first-time inspections nowadays.