Aviator 2WD V8-4.6L DOHC (2003)
5. On vehicles with 4-channel ABS, remove the components in the order indicated in the illustration and table.
6. To install, reverse the removal procedure.
Item 5: Sensor Ring Removal Note
1. On vehicles with 3-channel ABS, the sensor ring is attached to the ring gear and must be removed from the rear differential case.
2. On vehicles with 4-channel ABS, the sensor ring is attached to the rear axle shaft.
Item 4: O-Ring Installation Note
1. Install a new O-ring.