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BRAKE BLEEDING S70 1999

posted by  whyme2 on  Wed Nov 27 10:38 CST 2002
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Local mechanic replaced the original pads with after market pads and cut the rotors. Besides the fact that he shouldn't have cut the rotors, the brakes are great for 3 days then have to be bled when they get spongy. This has been done 5 times. No visible leaks at calipers or master. Fluid level never goes down during the 3 day period. Pressure bled once with the same results. Dealer won't touch the problem. My mechanic has no clue what to do next. PLEASE help!








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    BRAKE BLEEDING

    posted by  WatsonMD on  Wed Nov 27 14:21 CST 2002
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    If the rotors appear to have a straight cut across one edge - this is done to balance the rotor during high spped rotation.

    If the mechanic allowed air into the system, there might be air trapped within the ABS pump/tubing. This could allow a spongy feeling.

    Also, I believe that OEM pads are a bit softer and will stop quicker but produce more dust. Aftermarket pads tend to be harder, stop slower, and produce less dust.

    Best of Luck
    Andrew







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