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  1. #1
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    brake rotor cleaning

    need help in cleaning rotors on a porsche 928.stains on surface

  2. #2
    Super Member Jimmie's Avatar
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    Re: brake rotor cleaning

    If you're talking about the orangeish stains they are usually caused by a wheel cleaner that has a little more acidic ph. That reacts with the metal in the brake dust and causes rust (overnight). I wouldn't rub too much on the rotors. My experience is continued use of a really good wheel cleaner and it will go away. I use P21S and DP both gel form. No more orange rotors. I hope that is the type of stain that you're talking about.

  3. #3
    Super Member AudiTTman's Avatar
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    Re: brake rotor cleaning

    Would the P21S mess up painted calipers?? I really loved my red ones and id hate to have faded pinks ones lol

  4. #4
    SELF BANNED ASPHALT ROCKET's Avatar
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    Re: brake rotor cleaning

    Quote Originally Posted by AudiTTman View Post
    Would the P21S mess up painted calipers?? I really loved my red ones and id hate to have faded pinks ones lol
    No it will not.

  5. #5
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    Re: brake rotor cleaning

    i use p21s gel but still get stains on the rotor's

  6. #6
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    Re: brake rotor cleaning

    Do you have a picture for us?

    Usually after you have cleaned the vehicle and the wheels, the stains will form. Driving the vehicle up to 30mph and then coming to a stop will clean everything up. The rust-looking stuff that forms is only temporary.
    08 Subaru WRX

  7. #7
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    Re: brake rotor cleaning

    i would love to drive the car but there is too much salt and cinders on the ground now but i will take notice if it is gone the next time i drive it. thanks for the info

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