Ford 2003 Mustang Workshop Manual page 1476

22. NOTE: Be careful when removing the oil pan gasket. It is reusable.
Remove the oil pan and gasket.
Inspect the oil pan gasket for damage.
Installation
1. CAUTION: 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.
Clean and inspect the mating surfaces.
2. NOTE: If the oil pan is not secured within four minutes, the sealant must be removed and the
sealing area cleaned with metal surface cleaner. Allow to dry until there is no sign of wetness,
or four minutes, whichever is longer. Failure to follow this procedure may result in future oil
leakage.
Apply silicone gasket and sealant at the engine front cover-to-cylinder block mating surface.
3. NOTE: If the oil pan is not secured within four minutes, the sealant must be removed and the
sealing area cleaned with metal surface cleaner. Allow to dry until there is no sign of wetness,