Extension Case: Disassembly

MPT MODEL
1. Take out the transfer clutch by lightly tapping the end of the rear drive shaft.
  NOTE: Be careful not to damage the oil seal in the extension.
  
  Fig 1: Tapping End Of Rear Drive Shaft
  Courtesy of SUBARU OF AMERICA, INC.
2. Remove the transmission clutch pipe without bending pipe.
  
  Fig 2: Removing Transmission Clutch Pipe Without Bending Pipe
  Courtesy of SUBARU OF AMERICA, INC.
VTD MODEL
1. Remove snap ring using ST1, ST2, ST3 and a press.
  
  Fig 3: Removing Snap Ring Using ST1, ST2, ST3 & Press
  Courtesy of SUBARU OF AMERICA, INC.
2. Remove test plug.
  
  Fig 4: Removing Test Plug
  Courtesy of SUBARU OF AMERICA, INC.
3. Remove clutch piston using compressed air.
  
  Fig 5: Removing Clutch Piston Using Compressed Air
  Courtesy of SUBARU OF AMERICA, INC.
4. Pay attention, not to bend pipe, and remove transfer clutch pipe.
  
  Fig 6: Removing Transfer Clutch Pipe
  Courtesy of SUBARU OF AMERICA, INC.
5. Remove the dust cover from the extension case.
6. Remove the oil seal from the extension case.