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Braking issues V70-XC70

posted by  AlanS on  Wed Nov 21 19:24 CST 2018
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last visit: Sat Oct 4 19:59 CST 2014
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2006 XC70. I never felt that this car had responsive brakes. Pedal has always felt low, meaning that I have to push down 1/2 way for braking to begin. Sometimes I think that after one pump, it is higher. Did a full brake/ rotor change, changed fluid...no change in feel. Am I missing something? or do these models have 'spongy' brakes? I have a 2013 S60, different feel. I have had 850's and S40...no issues.
What can I check or change to have more responsive, higher pedal?








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    Braking issues V70-XC70

    posted by  B.B. on  Thu Nov 22 12:21 CST 2018
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    last visit: Mon Oct 6 13:15 CST 2014
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    You said you changed the brake fluid, DOT4 ?
    Did you bleed each brake cylinder and ever get a good peddle?


    If you can't get a good peddle then you may have a problem with the Master Cylinder. My old 740 M/C required bench bleeding and I got good at it
    replacing rebuilt M/Cs several times. Others may chime in with suggestions for
    the V70.

    I can suggest that you avoid rebuilt master cylinders if you decide
    to swap it out. They are not rebuilt right if the cylinder bore is pitted and they just install new seals. I suppose that's why the ones I had were junk.

    Bill







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      Braking issues V70-XC70

      posted by  Chris Mullet on  Fri Nov 23 07:20 CST 2018
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      last visit: Fri Oct 24 09:08 CST 2014
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      “....Sometimes I think that after one pump, it is higher...”

      I would second Bill’s thoughts. That’s indicative of a failing master cylinder.
      --
      Current rides: 2005 Volvo S80 2.5T, 2003 Volvo V70 2.4NA, 1973 Volvo 1800ES (getting ever closer to road worthiness)







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