Wheel issues

[Steel]

Hey guys,

The other day I offered to wash a buddies car. I started on the wheels and sprayed the tire and wheel with optimum power clean then worked the tire and wheel face with the tuff shine brush and rinsed it with my pressure washer using the 40 degree tip. Manual says that's about 2000 PSI. I'm not sure what happened but it seems like something ruined the wheel or maybe made a existing problem worse? What can I do to prevent this in the future?

Click here for picture.
Imgur: The magic of the Internet (https://imgur.com/a/N8nEv9Y)

[Sizzle Chest]

It appears as if the chemical perhaps was too harsh and damaged the face of the wheels...or it could have 'helped' an issue that was already there. The psi could have also been too great for the wheels and compounded the issue. I would also look for a softer wheel brush for future use and just use the tuff shine brush on the tires, and use lower psi/further away on the psi washer.

[The Guz]

Was the wheel already compromised? Was it covered in brake dust?

I agree with the softer brush. Once the clear coat is going its best to just use soap and water and no harsh chemicals as it could stain the exposed areas.

[Steel]

Was the wheel already compromised? Was it covered in brake dust?

I agree with the softer brush. Once the clear coat is going its best to just use soap and water and no harsh chemicals as it could stain the exposed areas.


Honestly I didn't look that closely but they were fairly dirty. How can I prevent this from happening in the future?

[Coatingsarecrack]

Power clean is pretty strong straight up for a wheel. What type of finish was it? Painted? Polished? Also that’s an agressive brush for wheel face.


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[Steel]

Power clean is pretty strong straight up for a wheel. What type of finish was it? Painted? Polished? Also that’s an agressive brush for wheel face.


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Sorry I forget to mention it was 3:1. They are clear coated wheels as well.

[FUNX650]

IMO:
From here, looks like the results of “curb rash”:
a pre-existing condition; ie: nothing to do with
your cleaning method.

https://www.autogeekonline.net/gallery/data/500/medium/C5C9940B-3901-4280-8CB6-7763A86290E3.jpeg


Bob

[Bill D]

Yep, looks like a worse version of curb rash than I have.

[Steel]

IMO:
From here, looks like the results of “curb rash”:
a pre-existing condition; ie: nothing to do with
your cleaning method.

https://www.autogeekonline.net/gallery/data/500/medium/C5C9940B-3901-4280-8CB6-7763A86290E3.jpeg


Bob

If it is it didn't take the clear coat off. I rubbed some acetone on one of the spot and a film came off which I assume is the clear coat but each area is slight indented. I ran my thumb nail over the edge in a few spots and my nail caught the edge.

[Coatingsarecrack]

Did you clean all 4 wheels with same issue? If not clean one with soap and water to see if it to has same condition.

I would also test same method on damaged wheel in undamaged spot to see if same thing happens


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[FUNX650]

If it is it didn't take the clear coat off. I rubbed some acetone on one of the spot and a film came off which I assume is the clear coat but each area is slight indented. I ran my thumb nail over the edge in a few spots and my nail caught the edge.
•IMO:
-If it isn’t “curb rash”...then:
It would take something like applying
sulfuric acid and scrubbing the wheel
with an angle grinder—equipped with
a wire-cup brush attachment—to inflict
that kind of damage.

-Your cleaning method was nowhere
near that level of ferocity!


Bob

[spazzz]

Curb rash, with grooves in a circular pattern.


Bob is spot on.

[Rsurfer]

If it is it didn't take the clear coat off. I rubbed some acetone on one of the spot and a film came off which I assume is the clear coat but each area is slight indented. I ran my thumb nail over the edge in a few spots and my nail caught the edge.

Exactly, that tells you something abrasive (concrete curb) has rubbed against the wheel.

Is this the passenger side? Do all four wheels look the same?

[Steel]

Exactly, that tells you something abrasive (concrete curb) has rubbed against the wheel.

Is this the passenger side? Do all four wheels look the same?


I did all four wheels and they all have this damage. The two on the drivers side are the worst, the passenger side rear has less spots while the front passenger side has almost nothing.

[Rsurfer]

I did all four wheels and they all have this damage. The two on the drivers side are the worst, the passenger side rear has less spots while the front passenger side has almost nothing.

Do know what curb rash look like?