Remove the two 5/8 rear main cap bolts. Gently tap the side of cap with a rubber mallet if needed to break free.

Remove the rear main seal. The upper half of the seal can easily be removed by hand.

Loop the new bottom half of the seal through the slot indicated in picture.

Put the rear main cap back and torque to specs (65 ft.-lbs.) followed by the oil pump and torque to specs (60-70 ft.-lbs.)