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Thread: Rust on disc brakes after wash.

  1. #1
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    subz3r0's Avatar
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    Default Rust on disc brakes after wash.

    Rust on disc brakes after wash. - 2668567318b16c0f1a57f6bc516d4da0

    Rust on disc brakes after wash. - ab4f13cd6b2b88b65800a78be98b0c6d
    Is this harmful and if yes what measures should I take to fix / avoid further rusting?


    Sent from my GT-N7100 using Tapatalk


  2. #2
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    Default

    Happens to me too sometimes. Goes away after a drive.
    The men are back. @TGT.

  3. #3
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    Thanks for the reply.

    Sent from my GT-N7100 using Tapatalk

  4. #4
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    Default

    your water or detergent has a high pH (acidic) , use car shampoo.

  5. #5
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    Quote Originally Posted by nayefs View Post
    Rust on disc brakes after wash. - 2668567318b16c0f1a57f6bc516d4da0

    Rust on disc brakes after wash. - ab4f13cd6b2b88b65800a78be98b0c6d
    Is this harmful and if yes what measures should I take to fix / avoid further rusting?


    Sent from my GT-N7100 using Tapatalk
    This is normal. Just drive and it will clear up. No problems.

  6. #6
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    Quote Originally Posted by Djaymx View Post
    your water or detergent has a high pH (acidic) , use car shampoo.
    Wrong. Washing, rain, or even high humidity can cause such surface rust on disc brake rotors. This is normal.

  7. #7
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    Quote Originally Posted by VCheng View Post
    Wrong. Washing, rain, or even high humidity can cause such surface rust on disc brake rotors. This is normal.
    way to be ignorant. let me rephrase.

    "your water or detergent has a high pH (acidic) , use car shampoo."

  8. #8
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    Quote Originally Posted by Djaymx View Post
    way to be ignorant. let me rephrase.

    "your water or detergent has a high pH (acidic) , use car shampoo."
    Using a car shampoo (or even 100% distilled water of pH 7) changes nothing. Exposed iron will rust. Rotors will clean up just fine on their own. What the OP has posted is normal.

  9. #9
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    Default

    WD40 can be used to protect from rust. It leaves a thin flim for future protection as well.

  10. #10
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    Quote Originally Posted by Djaymx View Post
    way to be ignorant. let me rephrase.

    "your water or detergent has a high pH (acidic) , use car shampoo."
    I'm with you on this one
    if the rotors rust this easily after a car wash, imagine what happens when you go through a flooded area with drainage water mixed................just not right

    Sent from my Infinix-X600-LTE using Tapatalk
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  11. 25-08-2016, 09:53 PM

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  12. #11
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    Quote Originally Posted by memad View Post
    WD40 can be used to protect from rust. It leaves a thin flim for future protection as well.
    @memad do you spray WD-40 every morning before leaving for work?

    Quote Originally Posted by syncview View Post
    I'm with you on this one
    if the rotors rust this easily after a car wash, imagine what happens when you go through a flooded area with drainage water mixed................just not right

    Sent from my Infinix-X600-LTE using Tapatalk
    @Sync
    - www.crackwheels.com - A skilled Dictator is much more beneficial to Country......than a Democracy of Ignorant people

  13. #12
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    Quote Originally Posted by memad View Post
    WD40 can be used to protect from rust. It leaves a thin flim for future protection as well.
    WD40 or any other type of lubricant must NEVER be used on the rotors. NEVER.

  14. 25-08-2016, 09:57 PM

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  15. 25-08-2016, 09:58 PM

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  16. 25-08-2016, 09:59 PM

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  21. #13
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    Quote Originally Posted by VCheng View Post
    Come on man, work with me here. This is the serious section of PW supposedly.
    ok

    janaab OP

    aap se darkhasst hai ke element Fe ki properties yaad karein. Ye brake disc bhi Fe ki bani hai.

    aik permanent hull hai isska, aap carbon fibre discs install karlein - Brembo S.p.A se manufacture karwanee hongee pehlay aapko apni car ke liye.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

  22. 25-08-2016, 10:16 PM

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  23. 25-08-2016, 10:18 PM

    Senior PakWheeler


  24. 25-08-2016, 10:39 PM

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  25. #14
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    Quote Originally Posted by VCheng View Post
    WD40 or any other type of lubricant must NEVER be used on the rotors. NEVER.
    Never mentioned to use it on rotors.

  26. 25-08-2016, 11:05 PM

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  29. 28-08-2016, 01:46 PM

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  31. #15
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    Its normal. happens with my car too. goes away after a drive
    1)Suzuki Mehran has changed its shape 2)Fake parts drive me nuts
    3)https://www.facebook.com/RoyaleEM

  32. 28-08-2016, 03:01 PM

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  33. #16
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    you cannot apply anything on a component that meant to be grinded and gripped (to stop the wheel from turning) all the time. Even if its not dangerous (lets assume its not ), the applied substance will wear off immediately.

    Similarly, the rust will be grinded off when you apply brakes.

  34. 28-08-2016, 06:36 PM

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  35. 28-08-2016, 06:45 PM

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  36. #17
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    My car gets it in a night if its raining. Nothing serious.
    On topic of Wd40,I know someone who rubbed engine oil on discs to cure squeaky brakes,lucky for him and others someone saw him doing it and stopped him from driving.


    Sent from my iPhone using PW Forums

  37. #18
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    True ..you have to reply to anything asked supposing the other one doesn't know anything ...This isn't an inferiority thing however just the right to do ...

    Sent from my GT-N7100 using Tapatalk

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