VTD Model

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

ST2 498627100 SEAT

ST3 398663600 PLIERS

Fig 1: Identifying Compressor, Seat And Pliers
Courtesy of SUBARU OF AMERICA, INC.
Remove test plug.

Fig 2: Identifying Test Plug And Extension Case
Courtesy of SUBARU OF AMERICA, INC.
Remove clutch piston using compressed air.

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

Fig 4: Identifying 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.