Transfer Clutch: Disassembly

Remove the seal ring.

Fig 1: Removing Seal Ring
Courtesy of SUBARU OF AMERICA, INC.
Remove the ball bearing using the ST and the press.
ST 498077600 REMOVER

Fig 2: Removing Ball Bearing Using ST 498077600 Remover And Press
Courtesy of SUBARU OF AMERICA, INC.
Using a flat tip screwdriver, etc. remove the snap ring, and take out the retaining plate, drive plate and driven plate.

Fig 3: Removing Snap Ring
Courtesy of SUBARU OF AMERICA, INC.
Using the ST1, ST2 and ST3, remove the snap ring, then take out the return spring and transfer clutch piston seal.
ST1 399893600 PLIER

ST2 398673600 COMPRESSOR

ST3 398623600 SEAT

Fig 4: Removing Snap Ring Using Plier, Compressor And Seat
Courtesy of SUBARU OF AMERICA, INC.
Apply compressed air to the rear drive shaft, to remove the transfer clutch piston.

Fig 5: Applying Compressed Air To Rear Drive Shaft
Courtesy of SUBARU OF AMERICA, INC.