Rust on wheel hub normal?

[KLHubb]

Thanks, I am wondering whether a good power wash would help.

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[KLHubb]

This photo shows the streaking on the PSCB rotor...

 

[W1NGE]

PSCB are largely cosmetic and have a larger caliper - I believe they offer the same stopping power as the standard iron discs.

I had them on my GTS ST with gloss black calipers and RS Spyders purely for that reason.

Should be standard given the price of the car TBH.

 

[Dee]

This photo shows the streaking on the PSCB rotor...

That looks like the debris is embedded in the rotor.
Replacing them is a way better option here.
I'm sorry.

 

[KLHubb]

The brakes work just fine, so I don't plan to replace them anytime soon.

 

[kern417]

it's hard to know if something's wrong just from looking. if you can drag your finger nail across the surface and it doesn't catch on anything, then it's really just cosmetic.

 

[KLHubb]

Yes, I agree with you.
I ran my finger nail across the surface and it does appear to be some sort of deposit.
The Tungsten Carbide coating should resist lots of materials with the exception of diamonds or similarly very hard minerals. I can't imagine that salt or road grit would damage the coating.

 

[Dee]

I can't imagine that salt or road grit would damage the coating.

Any rock or stone debris that gets caught between pad and rotor will damage the coating like your rotor clearly shows.
Your pads are damaged too btw.
Is that the front rotor?
In my country that car wouldn't pass any APK (annual safety inspection).

 

[KLHubb]

Front and rear drivers side show marks.

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