VTD Model

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

ST2 498627100 SEAT

ST3 398663600 PLIERS

Fig 1: Removing/Installing Snap Ring Using ST1, ST2, ST3 And Press
Courtesy of SUBARU OF AMERICA, INC.
Remove the test plug.

Fig 2: Identifying Test Plug
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Remove the clutch piston using compressed air.

Fig 3: Identifying Clutch Piston
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Remove the transfer clutch pipe while being careful not to deform the pipe.

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