Driven Sprocket: Check

Check the bearing race to verify that it has not moved out of position or become scored. If worn or scored, driven sprocket will need to be replaced.
Inspect the sensor wheel for bent or damaged tabs.

Fig 1: Inspecting Sensor Wheel For Bent Or Damaged Tabs
Courtesy of FORD MOTOR CO.

NOTE: The speed sensor wheel only needs to be replaced if damaged.

Fig 2: Removing Speed Sensor Wheel

Courtesy of FORD MOTOR CO.

Remove the speed sensor wheel.
Using the special tools, install a new speed sensor ring.

Fig 3: Installing Speed Sensor Ring
Courtesy of FORD MOTOR CO.