Case Components: Disassembly

Remove rear extension.
1. Remove control housing, check spring, check ball, select check plugs, return springs and select check plungers. Also remove reverse check plug, check spring and check ball.
  - Be careful not to lose check balls.
  Fig 1: Removing Reverse Check Plug
  Courtesy of NISSAN MOTOR CO., U.S.A.
2. Drive out striking lever retaining pin.
3. Remove striking lever from striking rod.
4. Remove rear extension by lightly tapping on it.
  
  Fig 2: Removing Rear Extension
  Courtesy of NISSAN MOTOR CO., U.S.A.
Remove front cover, gasket, counter gear front bearing shim and main drive gear ball bearing snap ring.
Separate transmission case from adapter plate by lightly tapping on it.

Fig 3: Removing Front Cover, Gasket, Counter Gear Front Bearing Shim And Main Drive Gear Ball Bearing Snap Ring
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove oil seal from front cover using a screwdriver.
- Be careful not to damage mating surface of front cover.
  
  Fig 4: Removing Oil Seal From Front Cover Using Screwdriver
  Courtesy of NISSAN MOTOR CO., U.S.A.