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Brake rotors

Tiny
JOHNJR88
  • MEMBER
  • 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
  • MECHANIC
  • 20,757 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
  • MECHANIC
  • 75,992 POSTS
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
  • 2 POSTS
What's a tone ring
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Thursday, July 7th, 2011 AT 9:57 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 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.
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Thursday, July 7th, 2011 AT 10:05 PM

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