Hyundai Grandeur HG Wheel Repair & Painting Review - Like New

Hyundai Grandeur HG Wheel Restoration: Why Powder Coating is Essential

For wheels with scratches, peeling paint, and even old balancing weight marks, a simple repaint isn't enough. The superior method is 'full stripping followed by powder coating.' This review details a Hyundai Grandeur HG wheel restoration performed by Today's Car Yangsan, utilizing the same powder coating process used in new wheel manufacturing, ensuring excellent durability.

We'll explore why wheel restoration is more than just cosmetic; it's crucial for preserving your vehicle's value, using this Grandeur HG as a prime example.

Assessing the Damage: Grandeur HG Wheel Condition

Before work began, the extent of the damage was clear. Not only were there localized scratches, but even areas without visible marks suffered from severe paint peeling. Standard car washes cannot fix this, and touch-up paint is insufficient for such widespread issues.

As time passes, oxidation accelerates damage, making early intervention critical. For the Grandeur HG's aluminum wheels, this oxidation can happen rapidly, making neglect a costly mistake.

The Importance of Full Wheel Stripping

Today's Car Yangsan adheres to a strict principle: complete removal of all existing paint and imperfections. This 'full stripping' process goes beyond the visible surfaces, meticulously cleaning even the inner barrel of the wheel, which is hidden when tires are mounted.

This thoroughness eliminates balancing weight residue and old paint traces, resulting in a finish that truly feels like new. Because the process starts with pure aluminum, the new coating adheres perfectly, creating a smooth, durable surface without the imperfections of layered paint.

Wheel Repair: Welding and Surface Preparation

After stripping, deep scratches are addressed with welding. Instead of merely filling damage with putty or coatings, aluminum welding is used to restore structural integrity.

Once welding is complete, the surface is meticulously smoothed before proceeding to the powder coating stage. Each step is vital for achieving the highest quality final result.

Powder Coating: The New Wheel Manufacturing Standard

Powder coating is fundamentally different from liquid paint. Dry powder is electrostatically applied and then cured in a high-temperature oven (around 200°C or 400°F). This method ensures an even finish, a smooth texture, and exceptional durability.

Using the same technique as new wheel production, the quality is virtually indistinguishable. Compared to traditional liquid paint, powder coating offers superior resistance to UV rays, chemicals, and impacts.

Grandeur HG Wheel Restoration: Cost, Time, and Maintenance

For a set of four wheels on a Hyundai Grandeur HG, the estimated cost typically ranges from 600,000 to 1,000,000 Korean Won (KRW). This can vary based on the vehicle model, the severity of the damage (scratch depth, peeling extent), and the chosen coating method.

The process usually takes 3 to 5 days: stripping (1-2 days), welding and surface prep (1 day), and powder coating/curing (1-2 days). To minimize inconvenience, Today's Car Yangsan provides temporary wheels during the service.

Powder-coated wheels can maintain their quality for 3-5 years or more. Regular maintenance, including washing 1-2 times a month and applying wax coating, can extend their lifespan, especially when exposed to road salt, acidic rain, or high temperatures.

Before and After: A Stunning Transformation

The difference after the restoration is dramatic. The wheels look completely new, a stark contrast to their initial damaged state.