C 3500 Truck 2WD V8-6.6L DSL Turbo VIN 1 (2002)
12.
Remove the wheel speed harness mounting clips from the knuckle (4) upper control arm (3) and frame (2).
13.
Disconnect the wheel speed harness electrical connector (1) from the vehicle wiring harness.
14.
Connect the new wheel speed sensor harness electrical connector to the vehicle wiring harness.
15.
Attach the wheel speed sensor harness to the frame upper control arm and the knuckle.
16.
Temporarily plug the wheel speed sensor hole (1) in the bearing hub to prevent debris from entering it when you clean it.
Important:
All rust and corrosion must be removed from the wheel speed sensor mounting surfaces on the bearing hub in the next step.
17.
Using a wire brush sandpaper emery cloth scotch-brite or equivalent thoroughly clean the wheel speed sensor mounting surface (2) on the bearing
hub to remove any rust or corrosion.
18.
Using compressed air remove all debris from the bearing hub surface.
19.
Using a clean shop towel clean the sensor and the 0-ring.
Important:
While the corrosion inhibitor is drying in the next step, begin performing Steps 3-20 on the opposite side front wheel speed sensor.
20.
Apply (spray) two thin coats of the specified rust penetrating lubricant (corrosion inhibitor) listed in this bulletin to the complete sensor mounting
surface on the bearing hub. Allow to dry for 3-5 minutes between coats.
21.
When the corrosion inhibitor is dry to the touch (about 10 minutes) apply a light coating of the specified grease to the complete sensor mounting
surface on the bearing hub and to the sensor and 0-ring.
22.
Remove the temporary plug from the hole in the bearing hub.
