Ford 2003 Mustang Workshop Manual page 393

For new differential pinion bearings, tighten the nut to specification. Refer to torque
specifications for new differential pinion bearings in the Specifications portion of this
section.
For used differential pinion bearings, if the preload recorded prior to disassembly is lower
than the specification for used bearings, then tighten the nut to specification. Refer to
torque specifications for used differential pinion bearings in the Specifications portion of
this section.
For used differential pinion bearings, if the preload recorded prior to disassembly is
higher than the specification for used bearings, then tighten the nut to the original reading
as recorded.
Final assembly
23. Install the differential assembly in the differential housing. For additional information, refer to
Differential Case
24. CAUTION: Align the index marks.
CAUTION: Install the driveshaft with new bolts. If new bolts are not available, apply
Threadlock and Sealer EOAZ-19554-AA or equivalent meeting Ford specification WSK-
M2G351-A5 to the threads of the original bolts.
CAUTION: The driveshaft centering socket yoke fits tightly on the pinion flange
pilot. To make sure that the yoke seats squarely on the flange, tighten the bolts evenly in
a cross pattern as shown.
Connect the driveshaft. For additional information, refer to
25. Lower the vehicle.
in this section.
Section 205-01 .