brake rotors

1994 FORD EXPLORER
117,131 MILES • 6 CYL • 2WD • MANUAL
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JOHNJR88
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  • 2 POSTS
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?
Jul 7, 2011 at 2:22 PM
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WRENCHTECH
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  • 20,760 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.
Jul 7, 2011 at 2:43 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Check the passenger side's caliper,brake hose and master cylinder-
Jul 7, 2011 at 2:45 PM
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JOHNJR88
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  • 2 POSTS
what's a tone ring
Jul 7, 2011 at 2:57 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
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.
Jul 7, 2011 at 3:05 PM
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