F 150 4WD Pickup V8-5.4L CNG VIN M (2001)
15. Measure the differential case runout without the ring gear, and check the case runout again with the new differential bearings.
^
If the runout is now less than the specification shown, use the new differential bearings for assembly.
^
If the runout is still excessive, the differential case is damaged and must be replaced.
Installation
1. CAUTION: Make sure that the notches on the case flange -and the anti-lock speed sensor ring are aligned.
Press a new anti-lock speed sensor ring, if removed, and the ring gear on the differential case.
^
Align the notch on the differential case flange with the notch on the anti-lock speed sensor ring.
2. Install the ring. gear bolts.
^
Apply stud and bearing mount to the ring gear bolts.
3. With pinion depth set and the drive pinion installed, place the differential case in the rear axle housing.
