Ford 2003 Mustang Workshop Manual page 2473

4. NOTE: If the transmission fluid pan gasket is not damaged, it may be reused.
Remove the transmission fluid pan and transmission fluid pan gasket.
1. Remove the bolts.
2. Remove the transmission fluid pan and transmission fluid pan to case gasket.
5. Clean the transmission fluid pan and pan magnet.
6. CAUTION: If installing a new filter, and grommet remains in the main control bore,
carefully use a small screwdriver to remove the grommet. Use care not to damage the
main control bore.
NOTE: If transmission is being repaired for a contamination-related failure, use a new filter and
seal. The filter may be reused if no excessive contamination is present.
Remove the fluid filter and grommet.