3. Clamp the bolt head of the special tool in a vise. Position the differential clutch pack and the differential side gear (without the shim or the Belleville spring) on the special tool.
4. Position the special tool on top of the differential clutch pack.
5. Position the special tool over the disc and differential clutch pack.
6. Install the nut from the special tool.
7. NOTE: The shims are available as part of Clutch Pack Replacement Kit F75Z-4947-AA.
Select the thickest feeler gauge blade that will enter between the special tool and the differential clutch pack. Subtract 0.25 mm (0.010 in) from the reading to obtain the thickness of
the new clutch shim. Using no more than two shims, select the correct size shim(s) for installation. Remove the special tools.