Subaru Impreza 2003 Service Manual page 2336

REAR TONE WHEEL
ABS
7. Rear Tone Wheel
A: REMOVAL
Refer to Rear Axle, because the rear tone wheel is
installed to rear hub.
<Ref. to DS-24, REMOVAL, Rear Axle.>
B: INSTALLATION
Refer to Rear Axle, because the rear tone wheel is
installed to rear hub.
<Ref. to DS-27, INSTALLATION, Rear Axle.>
C: INSPECTION
Visually check the tone wheel's teeth (44 pieces)
for cracks or dents. If necessary, replace the tone
wheel with a new one.
ABS-20