Toyota Celica 1986-1993 Repair Guide

Tone (Exciter) Ring

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The tone ring, or sensor control rotor, is replaceable only on the front of 1988-89 models and in the rear of 2wd models. It is part of the drive axle on 1990-93 models. The rear tone ring is part of the rear axle hub on 2wd models and is part of the rear axle on 4wd models. They are not replaceable separately. Please refer to or for the removal procedures of the appropriate part.

To replace the rear tone ring on 2WD models and the front tone ring on 1988-89 models, proceed as follows:

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the steering knuckle from the vehicle. Remove the axle hub from the steering knuckle (See ).
  4.  
  5. Using a socket, remove the retainers and the ring from the axle hub.
  6.  
  7. Installation is the reverse of removal.
  8.  



Click image to see an enlarged view

Fig. Fig. 1 Removing tone ring1988-89 2WD Celica shown

 
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