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Thread: Toyota Corolla 99 - Grinding noise from right front wheel

  1. #1
    auto4toyota
    Guest auto4toyota's Avatar

    Default Toyota corolla 99 - Grinding noise from right front wheel

    The passenger side front wheel makes a grinding noise when ever the car
    is in motion. It seems like the brake pads are touching the rotor when
    the vehicle is running. I have replaced the front pads and rotors with
    OEM parts. I have taken it to the mechanic several times and they open
    up the brakes and say everything is fine, the car runs without noise
    for a day or two and again the noise starts. Any ideas as to what is
    the cause of this problem? has the calipers gone bad and how can i
    test for the calipers. Replies are appreciated.

    Thanks,

    Guru

  2. #2
    Ray O
    Guest Ray O's Avatar

    Default Toyota corolla 99 - Grinding noise from right front wheel

    > The passenger side front wheel makes a grinding noise when ever the car
    > is in motion. It seems like the brake pads are touching the rotor when
    > the vehicle is running. I have replaced the front pads and rotors with
    > OEM parts. I have taken it to the mechanic several times and they open
    > up the brakes and say everything is fine, the car runs without noise
    > for a day or two and again the noise starts. Any ideas as to what is
    > the cause of this problem? has the calipers gone bad and how can i
    > test for the calipers. Replies are appreciated.
    >
    > Thanks,
    >
    > Guru
    >


    When you replaced the pads and rotors, you did orient the wear indicators
    properly, install all of the shims and springs, and lube the caliper slide
    bolts with wheel bearing grease or anti-seize, right? Did the noise start
    after you did the brake job or was it there before? Check to make sure the
    backing plate is not touching the rotor. This is what I'd check first.

    A bad caliper will either leak brake fluid, or the caliper piston will seize
    in the bore. If the caliper is not leaking and you can push the piston back
    into the bore, then it is OK.

  3. #3
    report.spam
    Guest report.spam's Avatar

    Default Toyota corolla 99 - Grinding noise from right front wheel

    > The passenger side front wheel makes a grinding noise when ever the car
    > is in motion. It seems like the brake pads are touching the rotor when
    > the vehicle is running. I have replaced the front pads and rotors with
    > OEM parts. I have taken it to the mechanic several times and they open
    > up the brakes and say everything is fine, the car runs without noise
    > for a day or two and again the noise starts. Any ideas as to what is
    > the cause of this problem? has the calipers gone bad and how can i
    > test for the calipers. Replies are appreciated.
    >
    > Thanks,
    >
    > Guru
    >


    You could try putting caliper grease on the caliper sliders, that might
    help. On my 99 Corolla the rubber boots seem to be glued in/ permanently
    installed on the caliper so I just pulled out the slider, applied the grease
    and put it back in. Doing this eliminated some vabriation I was getting
    when braking downhill or on hard braking.

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