Assemble the differential clutch packs (without the shims and Belleville springs) on the respective differential side gears.
3. Clamp the bolt head of the special tool in a vise. Install the differential clutch pack and the differential side gear (without the shim or the Belleville spring) on the gauge.
4. Position the special tool on top of the differential clutch pack.
5. Install the special tool over the disc and differential clutch pack.
6. Install the nut over the top and base stud.
7. Use special tool 303-D027 (D81L-4201-A) and select the thickest blade that will enter between the tool and the differential clutch pack. Subtract 0.010 inch from the reading to obtain
the thickness of the new clutch shim. A maximum of two shims can be used. Select the correct shim(s) size and remove special tool 205-135 (T80P-4946-A).