The aluminum wheels on your used Ford came with a clear coating for maximum corrosion resistance. In order to protect the aluminum as best you can, you will be able to use most any type of wax or sealer that is formulated for alloy wheels. In addition, any product that is designed for a base coat or clear coat finish will be sufficient as well.

On the other hand, do not use any wax or polish that contains any abrasives that could potentially harm your clear coated wheels. A chrome polish, rubbing compound, or ordinary wax that is designed for ordinary painted finishes, will contain abrasives that could damage your alloy wheels. If, for some reason, your wheels do not contain a clear coat or the clear coating is worn away in places, you can use fine steel wool to remove any dirt or surface oxide. After doing so, apply a clear coat epoxy or paint designed for repainting aluminum wheels.

If your vehicle’s aluminum wheels are unprotected they will quickly corrode and pit if exposed to excessive moisture or common road salt. If left unprotected for an extended period of time, the damage may become irreversible.

The inside of the aluminum wheel is also at risk of corrosion when mounted against a steel brake drum or rotor. The combination of the different metal compositions can lead to electrolytic corrosion on the wheels. This combination will cause a reaction that will result in the wheel actually welding itself to the rotor or drum. This will make removing the wheel extremely difficult. There is a way to prevent this type of corrosion. Painting the outer face of the rotor or drum will give added protection from unnecessary damage. In addition, you may want to apply a thin coat of lithium, silicone, or synthetic brake grease to the back of the wheel at the possible point of friction. This will provide further protection from corrosion or damage.