Ford 2003 Mustang Workshop Manual page 1817

80. Remove the engine from the stand.
81. NOTE: If 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 can result in future oil leakage.
Apply a 4 mm (0.16 in) bead of silicone gasket and sealant around the rear oil seal retainer
plate sealing surface. Also apply a bead of silicone gasket and sealant at the junction where the
cylinder block, oil pan and rear oil seal retainer plate meet.
82. Install the rear oil seal retainer plate. Tighten the bolts in the sequence shown.
Tighten the bolts to 1-6 to 10 Nm (89 lb-in).
Hand-tighten bolts 7 and 8.
Tighten bolts 7 and 8 to 20 Nm (15 lb-ft).
Tighten bolts 7 and 8 an additional 60 degrees.