Ford 2003 Mustang Workshop Manual page 2876

5. Remove the synchronizer spring, then remove the synchronizer sleeve.
6. NOTE: Install the special tool behind second gear with the flat side of the tool facing second
gear.
Using the special tool, remove the second gear, the second gear synchronizer thrust washer,
the inner cone, the friction cone, the second gear synchronizer blocking ring and the
synchronizer hub.
Inspect the gear for wear or damage. Install a new gear as necessary.
Inspect the all synchronizer components for wear or damage. Install a new components
as necessary.