1. Remove the battery cover.
2. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [L8, LF].)
3. Clean the transmission exterior thoroughly using a steam cleaner or cleaning solvent.
4. Drain the ATF. (See AUTOMATIC TRANSMISSION FLUID (ATF) REPLACEMENT [SJ6A-EL].)
5. Remove the following parts.
6. Remove the extension housing shroud using a tape-wrapped flathead screwdriver.
7. Remove the oil seal (extension housing) using a tape-wrapped flathead screwdriver.
8. Using the SST and a hammer, install the new oil seal to the extension housing.
9. Coat the oil seal lip with grease.
10. Using the SST and a hammer, install the new extension housing shroud to the extension housing.
11. Install the following parts.
12. Add ATF and, with the engine idling, inspect the ATF level and for leakage. (See AUTOMATIC TRANSMISSION FLUID (ATF) LEVEL ADJUSTMENT [SJ6A-EL].)
13. Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [L8, LF].)
14. Install the battery cover.