1. Drain the transfer oil. (See TRANSFER OIL REPLACEMENT [LA4AX-EL (CD4E)].)
2. Remove the transfer case. (See TRANSFER CASE REMOVAL [LA4AX-EL (CD4E)].)
3. Remove the two bolts.
4. Remove the transfer case vent tube.
5. Remove the bolts and the transfer case cover.
6. Remove the three gears.
7. Remove the inner drive shaft seal.
8. Clean the transfer case sealing surfaces.