B4000 SE Cab Plus 4 4WD V6-4.0L SOHC (2001)
Wheel Speed Sensor: Service and Repair
Toothed Ring
Front
FRONT SPEED SENSOR ROTOR (4X4) REMOVAL/INSTALLATION
For the removal and installation of the 4x4 front anti-lock brake sensor indicator, it is necessary to replace the front wheel hub.
Rear Axle
REAR AXLE SPEED SENSOR ROTOR (4WABS) REMOVAL/INSTALLATION
1. Remove the differential from the rear axle.
2. Remove the 10 bolts retaining the ring gear to the differential case.
3. Remove the ring gear, referring to Removal Note.
Note: Only remove speed sensor rotor if replacement is required. It does not have to be removed for ring bearing replacement.
4. Remove the speed sensor rotor by tapping with a soft-face hammer. Discard the speed sensor rotor.
Note: The rotor must be discarded upon removal. If removed, a new speed sensor rotor must be installed.
5. Install in reverse order of removal, referring to Installation Note
Ring Gear Removal Note
Insert a punch in the bolt holes and drive the ring gear off.
Ring Gear And Speed Sensor Rotor Installation Note
1. Install the rotor by aligning the tab on rotor with the slot in the differential case.
Caution: Start two of the ring gear bolts through the differential case and into the ring gear to make sure the ring gear bolt holes align with the
differential case bolt holes properly.