BRAKE ROTORS

  • Tiny
  • johnjr88
  • 1994 Ford Explorer
  • 6 CYL
  • 2WD
  • manual
  • 117,131 miles

I recently replaced the front rotors on my 1994 explorer sport 2wd v6, by the book. Since then the passenger side front locks up just before coming to a complete stop, and there is a growling noise coming from the master cylinder. What would cause this and how do I fix it?

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Thursday, July 7th, 2011 AT 9:22 PM

4 Replies

  • Tiny
  • Wrenchtech
  • Expert
  • 20,038 posts

You're getting a false activation of the ABS system because the speed sensor is not reading accurately at low speeds and the computer thinks the brakes are locking up. I would suspect there is a problem with the tone ring on your new rotor. I would try a different one.

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Thursday, July 7th, 2011 AT 9:43 PM
  • Tiny
  • rasmataz
  • Member

Check the passenger side's caliper, brake hose and master cylinder-

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Thursday, July 7th, 2011 AT 9:45 PM
  • Tiny
  • johnjr88
  • Member

What's a tone ring

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Thursday, July 7th, 2011 AT 9:57 PM
  • Tiny
  • rasmataz
  • Member

Similar to a gear and has tooth that is magnetized for the sensor to detect speed or rotation and report this info back to the ABS system.

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Thursday, July 7th, 2011 AT 10:05 PM

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