Breif Milky Brake Fluid at reservoir only | FerrariChat
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Breif Milky Brake Fluid at reservoir only

Discussion in 'Technical Q&A' started by nautigirl, Aug 8, 2014.

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  1. nautigirl

    nautigirl Karting

    Feb 26, 2007
    109
    Hermosa Beach
    Full Name:
    crash
    #1 nautigirl, Aug 8, 2014
    Hi all,
    I recently put replaced my brake lines with stainless. I had 1 defective line. I had to put the original back, car back on dirt and it ran fine.
    Yesterday I replaced the one line, bleed the line. I pumped the brakes while it's still up in the rack and noticed when
    I checked the reservoir a milky layer moving across the top of the fluid. Waited about a long minute and the fluid returned to normal? Is this normal?
    Should I bleed again? Thanks for the advice.

    cheers,
    crash
     
  2. nautigirl

    nautigirl Karting

    Feb 26, 2007
    109
    Hermosa Beach
    Full Name:
    crash
    #2 nautigirl, Aug 8, 2014
    Spell check mate, make that "brief" milky brake fluid,
     
  3. nautigirl

    nautigirl Karting

    Feb 26, 2007
    109
    Hermosa Beach
    Full Name:
    crash
    #3 nautigirl, Aug 8, 2014
    Last edited by a moderator: Sep 7, 2017
  4. Mitch Alsup

    Mitch Alsup F1 Veteran

    Nov 4, 2003
    9,732
    #4 Mitch Alsup, Aug 8, 2014
    Complete flush is in order.
     
  5. 360Tom

    360Tom Formula 3

    May 9, 2013
    1,396
    Burbank, CA
    Full Name:
    Tom
    #5 360Tom, Aug 9, 2014
    Did you get moisture inside of it? I heard it could also be the coating used on aftermarket lines to keep them from drying out. Definitely need a complete flush to resolve it.
     
  6. Teachdocs

    Teachdocs Formula Junior

    Sep 3, 2012
    568
    Kansas City area
    Full Name:
    Chad
    #6 Teachdocs, Aug 9, 2014
    Moisture and contaminates. Complete flush, drive, complete flush, drive.
     
  7. finnerty

    finnerty F1 World Champ

    May 18, 2004
    10,406
    #7 finnerty, Aug 9, 2014
    Residual machine / tooling oil from inside the new brake lines ---- fairly normal usually left inside the lines to prevent corrosion while they are sitting in inventory.

    I typically flush new lines out before I install them to avoid this, but you will have to flush (just drain and replenish with new fluid) the system now.

    Although this is likely harmless, as it just the oil reacting with your particular brake fluid's chemistry ---- I would definitely flush to be safe.
     
  8. nautigirl

    nautigirl Karting

    Feb 26, 2007
    109
    Hermosa Beach
    Full Name:
    crash
    #8 nautigirl, Sep 2, 2014
    Thanks everyone for the info. Yes it might have been from the new brake line I installed. It seemed to be less with some time. Then I did do another flush and looks good now. Looks like Finnerty should be correct.
    Thanks,
    crash
     

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