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Thread: Brakes Longevity

  1. #1
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    Brakes Longevity

    Hello,

    I know this can vary greatly, but Iím curious at what mileage you all have had to change your brake pads? Iím only at 16k on my 2017, so I most likely have Some time yet.

    Anyway, just curious.

  2. #2
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    2016 Mazda, CX-5 GT

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    I drive mostly highway. At last 60%. Changed mine at 75K. Fronts had at least 30% left but rears were maybe 10% left.

  3. #3
    Registered Member erhayes's Avatar
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    All suburban driving with my 2014 CX5. 48,000 miles and not even close to changing pads. Ed

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    Quote Originally Posted by Jman136 View Post
    Hello,

    I know this can vary greatly, but I*m curious at what mileage you all have had to change your brake pads? I*m only at 16k on my 2017, so I most likely have Some time yet.

    Anyway, just curious.
    95k or so on my 2015.

  5. #5
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    Quote Originally Posted by Unobtanium View Post
    95k or so on my 2015.
    Wow, these pads last along time!

  6. #6
    Registered Member tibimakai's Avatar

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    50k still OK.

  7. #7
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    Quote Originally Posted by Jman136 View Post
    Wow, these pads last along time!
    The rotors don't in my case. By 50K they were annoying

  8. #8
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    2013 Mazda CX-5 Sport FWD Auto

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    63k on my 2013, brakes still doing fine.

  9. #9
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    Quote Originally Posted by Unobtanium View Post
    The rotors don't in my case. By 50K they were annoying
    At what mileage did they warp?

  10. #10
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    Quote Originally Posted by Jman136 View Post
    At what mileage did they warp?
    40-50. At 60 I began thinking about replacing them. At 95K or so the pads dictated it.

  11. #11
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    Quote Originally Posted by Unobtanium View Post
    40-50. At 60 I began thinking about replacing them. At 95K or so the pads dictated it.
    Is it common for these rotors to warp? I love my CX, but I absolutely hate the brakes. I wish they gripped more and quicker like our Subaru does though.

  12. #12
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    Quote Originally Posted by Jman136 View Post
    Is it common for these rotors to warp? I love my CX, but I absolutely hate the brakes. I wish they gripped more and quicker like our Subaru does though.
    Replace the pads with stoptech. Get ready for dust and grip.

  13. #13
    Registered Member tibimakai's Avatar

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    They warp, if you brake for to long on a steep downhill. Try downshifting in cases like that and avoid using the brakes, for prolonged periods. They heat up a lot and they deform.

  14. #14
    Registered Member Anchorman's Avatar

    2019 CX-5 GT 184 2.2 diesel auto - Sonic Silver

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    Friction material wear rises exponentially with temperature so the hotter you run them the quicker they will wear out. The same goes for the disc but a disc that wears due to heat rarely warps. In fact, the pad tends to true the disc. Disc run out isn*t usually the result of warping which is the same as a warped record, it is a condition called DTV (disc thickness variation) so the warping is out of phase on each side. That tends to happen when the temperature is on the low side and mileage is high. Some of the wear debris from the pad is transferred onto the disc which means the pad runs on debris for part of a rotation and cast iron for another. It*s the cast that wears and that causes DTV. Friction material need temperature to work properly as temperature wears away the resin system and exposes the abrasives that create friction. The healthiest brakes will be those that see frequent temperature excursions as they constantly get conditioned and keep the disc healthy. They might need changing at 20000 miles with a ratio of two sets of pads to one set of discs. Really hard driving will reduce that but once you get in excess of 50000 you get into sleepy pads and DTV problems.

  15. #15
    Resident barbarian ColoradoDriver's Avatar
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    My rears were done around 54k miles.

    Just did my fronts a little while ago...so 75k+? They were technically still good, but were wearing unevenly, so I had them replaced along with lubricating everything again, and getting the rotors turned.
    Last edited by ColoradoDriver; 03-15-2019 at 05:03 PM.
    2014 CX-5 Touring AWD 2.5L | Jet Black Mica - 82k miles
    01/2013 build | 4/20/2013 delivery

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