1. Drain the transmission fluid and remove the transmission drawbar cover.
2. Remove the transmission bands, then take out the oil pan bolts and pull off the pan.
3. Disconnect the converter-to-flexplate bolts and unplug the wiring harness.
4. Lift off the bell housing, converter, and all attached parts and set them aside.
5. Use a pry bar to remove the old seal, then use the same pry bar to install the new seal.
6. Reinstall the bell housing, converter, and all other parts.
7. Reattach the wiring harness and converter-to-flexplate bolts.
8. Replace the transmission bands, oil pan, and drawbar.
9. Fill the transmission with fluid and complete any necessary adjustments.