Extension Case: Disassembly

Take out the transfer clutch and rear drive shaft by lightly tapping the end of rear drive shaft.
NOTE: Be careful not to damage the oil seal of the extension.
Remove the snap ring using the ST and press.
ST 18762AA000 COMPRESSOR SPECIAL TOOL

Fig 1: Removing/Installing Snap Ring Using Compressor Special Tool
Courtesy of SUBARU OF AMERICA, INC.
Supply compressed air to remove the clutch piston.

Fig 2: Removing Clutch Piston Using Compressed Air
Courtesy of SUBARU OF AMERICA, INC.
Remove the dust cover from extension case.
Remove the oil seal from the extension case.