What Welding Process Should You Use for Aluminum Cars?

Picking the right welding process for aluminum cars can make or break your repair, and the best choice may surprise you.
Your complete guide to automotive welding with Ryan Mitchell — a 38-year-old professional welder with 17+ years of real-world experience in collision repair, custom fabrication, and classic car restoration.
In this category, Ryan breaks down everything you need to know: MIG, TIG, spot, stick, and resistance welding techniques, weld joints and types, common defects (porosity, undercut, burn-through, etc.), troubleshooting tips, welding parameters, materials, and all the essential terms every auto tech and DIYer should master.
Whether you’re repairing a daily driver, building a custom chassis, or restoring a vintage muscle car, you’ll find clear, practical, shop-floor advice designed to help you weld stronger, smarter, and safer.
New articles added regularly. Start learning today and take your automotive welding skills to the next level.

Picking the right welding process for aluminum cars can make or break your repair, and the best choice may surprise you.

Master the art of patch-welding rust on a quarter panel to restore your vehicle's integrity—discover essential techniques and tips for lasting results.

Just which welding process suits exhaust systems best depends on your material, thickness, and finish, and the answer may surprise you.

See how to effectively restore and seal rusty welded seams on your car, ensuring longevity and protection from further damage. Discover essential techniques now!

Unlock the secrets to reinforcing a weak weld joint on your car, ensuring durability and strength—discover the essential steps you can’t afford to miss.

In auto body repair, brazing can save delicate parts from heat damage—but when is it the smarter choice?

Discover essential techniques for preventing weld failure in auto body repairs that could save you time and money—your project's success depends on it!

Stick welding makes sense for tough automotive repairs, but when is it the best choice, and when should you use something else?

Cars need the right weld in the right place, but knowing when spot welding is best can save your panel repair.

Potential signs of a failing weld on your car include unusual noises and visible defects; discover what to look for next.