Answer
For alloy wheel clear coat scratches, wet sand with 1000 or 1500, then 2000 and 3000.
Why it happens
Wheel clear coat needs fine wet sanding before polishing or recoating.
Recommended grit
Use 1000 or 1500 for light scratches, then 2000 and 3000 before polish.
Wet or dry
Wet.
Success check
The repaired area has an even fine haze with no deep lines.
What to do
- Clean brake dust and residue from the wheel.
- Wet sand scratches with 1000 or 1500.
- Refine with 2000 and 3000.
- Polish or recoat after sanding.
Avoid: Do not use coarse grit on clear coated wheel faces.