Navigator 2WD V8-5.4L DOHC VIN R (2001)
12. Rotate the differential assembly several times to verify that the differential bearings seated correctly.
13. Measure the backlash.
Backlash not within specification
14. To increase or decrease backlash, remove the bearing caps and install a thicker shim and a thinner shim accordingly.
^
If backlash is not within the specification, increase the thickness of one differential bearing shim and decrease the thickness of the other
differential bearing shim by the same amount.
15. Install the bearing caps and the bolts.
16. Rotate the differential assembly several times to verify that the differential bearings seated correctly.
