Extension Case: Disassembly

WARNING: This page is about a different car, the 2012 Subaru Outback and 2012 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.

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 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
Courtesy of SUBARU OF AMERICA, INC.
Remove the dust cover from extension case.
Remove the oil seal from the extension case.