How to Detect and Deal with Rust on Your Car

Rust is not only unsightly but can cause significant damage to your car if left untreated. Here’s a guide on how to detect rust early and how to deal with it before it becomes a major issue.

How to Detect Rust on Your Car

Regularly checking for rust can save you from expensive repairs down the road. Here’s where you should focus:

1. Inspect High-Risk Areas

   Certain areas are more prone to rust due to constant exposure to moisture:

   • Wheel wells

   • Underneath the car

   • The edges of doors and trunk

   • Around the car’s frame

   • Along seams where panels meet

2. Check Paint Bubbles

   Paint bubbles can be an early sign that rust is forming underneath. Don’t ignore these spots as the rust can spread quickly.

3. Look for Surface Discoloration

   Rust often starts as small brownish or reddish spots. Early detection and treatment can stop rust before it penetrates deeper layers of the metal.

Dealing with Rust on Your Car

Once rust has been detected, here’s how you can deal with it:

1. Surface Rust

   Surface rust is the easiest to manage, and addressing it early is key. Follow these steps:

   • Clean the affected area thoroughly.

   • Use sandpaper to remove the rust.

   • Apply a rust converter or primer.

   • Paint over the area to seal it and prevent further exposure.

2. Scale Rust

   Scale rust happens when surface rust is left untreated. The rust penetrates deeper, causing scaling or pitting in the metal. To fix this:

   • Remove the rust using a wire brush or grinder.

   • Apply rust treatment chemicals.

   • Use a body filler if necessary to smooth the surface before repainting.

3. Penetrating Rust

   This is the most severe form of rust, causing holes in the metal. In such cases, professional repair is often needed:

   • Damaged sections may need to be cut out and replaced.

   • New metal panels can be welded into place.

Preventing Rust

Preventing rust is always easier and cheaper than repairing it. Follow these prevention tips:

• Wash your car regularly, especially in winter months when salt from the roads can accelerate rusting.

• Apply a wax coating to protect the paint.

• Use rustproofing treatments for the undercarriage and exposed areas.

• Store your vehicle in a garage to limit its exposure to moisture and the elements.

Dealing with rust as soon as you detect it will help you avoid costly repairs in the future. Regular inspections and quick action can keep your car looking good and functioning well for years to come. If you're unsure about how to handle rust, or if the rust has already spread, be sure to contact a professional auto repair service in Mint Hill.