Ford 2009 Mustang Workshop Manual page 22

71. NOTICE: A new oil cooler must be installed or severe damage to the engine can occur.
Remove the 6 bolts and the oil cooler.
Discard the oil cooler and the gaskets.
72. Remove the 8 bolts and the oil filter adapter.
Discard the oil filter adapter gasket.
73. NOTE: LH shown, RH similar.
Remove the LH and RH block drain plugs.
74. NOTICE: Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means
to clean the sealing surfaces. These tools cause scratches and gouges which make leak paths.
Use a plastic scraping tool to remove all traces of old sealant.
Remove the 14 bolts, 2 stud bolts and the oil pan.
Remove and discard the oil pan gasket.