Corrosion: Simple Ways to Stop Rust on Your Car

Rusted metal isn’t just an eyesore – it weakens panels, trims, and even the frame. The good news? Most corrosion can be slowed or stopped with easy habits you already do in the garage. Let’s cut the jargon and get straight to what works.

Where Corrosion Hits Most

Every car has hot spots that love rust. The wheel wells, undercarriage, door sills, and brake calipers are constantly exposed to water, salt, and grime. Even the roof can get trouble if you live in a rainy area and skip the occasional wash. Look for bubbling paint, white powder on metal, or flaking seams – those are the first red flags.

Everyday Actions to Fight Rust

Wash and dry often. A quick rinse after winter road trips or after a beach day removes salt and sand that accelerate corrosion. Pay special attention to the lower body, behind the wheels, and any crevices where water can pool.

Wax or seal regularly. A good coat of wax creates a barrier that keeps moisture off the paint. Aim for a fresh layer every two to three months. If you want extra protection, spray‑on sealants that claim “rust proofing” work well on the undercarriage.

Check drainage holes. Many doors and panels have little holes to let water out. If they’re clogged with dirt, water sits and rust forms. Use a thin tool or compressed air to keep them clear.

Apply rust inhibitors. Products like oil‑base sprays or rust‑converting primers can be sprayed on bare metal spots you spot early. They’re cheap and easy – just spray, let dry, and you’ve bought yourself months of extra life.

Think about professional undercoating. If you drive a lot in salted winter roads, a professional underseal gives a thick, durable coat that resists chips and scratches. It’s a one‑time investment that saves bigger repairs later.

Inspect after each season. Take a few minutes in spring and fall to run your hand along the lower panels. Feel for rough patches or see any chalky spots. Catching rust early means you can sand, prime, and paint a tiny area instead of battling a large hole.

Keep the interior dry. Wet floor mats or a flooded trunk create humidity that seeps into metal seams. Use a moisture absorber or simply dry any spills right away.

These steps don’t require fancy tools – just a bucket, some cloths, and a little time each month. The payoff is a car that stays looking good and avoids costly body repairs down the road.

Remember, corrosion is a slow process. If you skip the basics, the damage builds up quietly until you notice a big rust patch. Stay proactive, and your car’s body will thank you for many more miles.