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Thread: Mazda Maintenance Guide: Brake Fluid Exchange, AT Fluid, PS Fluid - none for US?

  1. #1
    Registered Member

    mazda

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    Mazda Maintenance Guide: Brake Fluid Exchange, AT Fluid, PS Fluid - none for US?

    The manual has no maintenance for:
    - Brake Fluid Exchange
    - AT Fluid
    - PS Fluid

    Yet both my AT and PS fluid are blackish at 90k - dealer had to flush the Tranny twice to get the color right!

    Do u guys have a recommendation for those three - how often should I do?

  2. #2
    Registered Member

    2010 Mazda 5 Sport

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    May 2019
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    22
    Roast me if you want, but out of all the cars I've had over all the decades. I have never changed PS fluid. The last issue I've had with a PS steering pump was a blown hose in a '67 Cougar (pump was fine). Never had a pump fail yet and I keep cars 10 years or more. Current ride is going on 18.

  3. #3
    Wiggity-Wack-O-Tack njaremka's Avatar
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    2011 MX5 GT

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    I would do brake fluid every two years, only because it sucks moisture out of the air, which cause the temperature sensitivity to go out of whack.

    AT fluid should be a 50-60k miles change, depending on use. If you tow anything, or drive a lot of city traffic, I wouldn't go longer than 50k.
    Nik
    2012 Mini S Clubman

    Previous:
    2011 Black MX-5 GT
    2001 Black Mica Protege ES 2.0

  4. #4
    Registered Member

    2012 Mazda 5

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    Vancouver
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    Quote Originally Posted by ms2000 View Post
    The manual has no maintenance for:
    - Brake Fluid Exchange
    - AT Fluid
    - PS Fluid
    Yet both my AT and PS fluid are blackish at 90k - dealer had to flush the Tranny twice to get the color right!

    Do u guys have a recommendation for those three - how often should I do?
    They are "life time" fluids. So for the life of the tranny you don't needs to change fluid.
    The life of the tranny might be short because you did not change fluid, but the fluid will last the life time of the tranny.

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