Ford 2003 Mustang Workshop Manual page 453

8. CAUTION: Differential seal damage will occur if installing the halfshaft without the
special tool.
Install the special tool.
9. Position the halfshaft for installation.
10. Seat the CV joint stub shaft in the differential side gear.
1. Slide the stub shaft into the differential housing until the shaft splines are past the
differential seal.
2. Remove the special tool.
3. Align the stub shaft splines and the side gear splines, and slide the stub shaft into the
gear until it seats.
When seated, the axle circlip will lock the stub shaft in the differential side gear.
Check the circlip engagement by attempting to pull the inboard CV joint out of the
differential side gear. If the circlip has not seated, push the CV joint inward until
the circlip is fully engaged in the differential side gear.