B4000 SE Regular Cab 4WD V6-4.0L OHV (1999)
Wheel Speed Sensor: Testing and Inspection
Visual Inspection
INSPECTION
1. Remove the speed sensor.
2. View the speed sensor rotor teeth through the rear axle speed sensor hole.
3. Rotate the rear axle and check the ring teeth for damage or breakage.
Note: Dented or broken teeth could cause the antilock system to function when not required.