Wheel Speed Sensor: Testing and Inspection
Inspection1. Inspect the front and rear pursers for chipped or damaged teeth.
2. Measure the air gap between the wheel sensor and purser all the way around while rotating the purser. If the gap exceeds 1.0 mm (0.04 inch), repair as needed.
Standard:
Front/Rear: 0.4 - 1 .0 mm 10.02 - 0.04 inch)