VTD Model

Remove snap ring using ST1, ST2, ST3 and a press.
ST1 398673600 COMPRESSOR

ST2 498627100 SEAT

ST3 398663600 PLIERS

Fig 1: Removing Snap Ring Using Special Tools
Courtesy of SUBARU OF AMERICA, INC.
Remove test plug.

Fig 2: Removing Test Plug
Courtesy of SUBARU OF AMERICA, INC.
Remove clutch piston using compressed air.

Fig 3: Removing Clutch Piston
Courtesy of SUBARU OF AMERICA, INC.
Pay attention, not to deform pipe, and remove transfer clutch pipe.

Fig 4: Removing Transfer Clutch Pipe
Courtesy of SUBARU OF AMERICA, INC.
Remove the dust cover from the extension case.
Remove the oil seal from the extension case.