Front Case And Rear Case

Remove drain plug and filler plug.
Remove mainshaft oil seal from front case, using a flat-bladed screwdriver.
CAUTION: Be careful not to damage the front case and mainshaft.

Fig 1: Removing Mainshaft Oil Seal
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove front oil seal from front case, using a flat-bladed screwdriver.
CAUTION: Be careful not to damage the front case and front drive shaft.

Fig 2: Removing Front Oil Seal
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove self-lock nut.
Put a matchmark on the end of mainshaft. The mark should be in line with the mark on the companion flange.
CAUTION: For matchmark, use paint. Do not damage mainshaft.

Fig 3: Putting A Matchmark Mainshaft End
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove companion flange, using a puller.
CAUTION: Be careful not to damage the companion flange.

Fig 4: Removing Companion Flange
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove rear oil seal from rear case, using a puller.
1. Tool number : ST33290001 (J34286)
CAUTION: Be careful not to damage the rear case.

Fig 5: Removing Rear Oil Seal
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove spacer from mainshaft.

Fig 6: Remove Spacer From Mainshaft
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove front case and rear case fixing bolts, then remove harness bracket.

Fig 7: Displaying Bolts Specifications
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 8: Removing Harness Bracket & Front & Rear Case Fixing Bolts
Courtesy of NISSAN MOTOR CO., U.S.A.
Separate front case and rear case. Then, remove front case by levering it up with a tire lever or the like.
CAUTION: Be careful not to damage the mating surface.

Fig 9: Separating Front Case & Rear Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove snap ring from front case.

Fig 10: Locating Snap Ring
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove mainshaft bearing from front case, using a drift.
1. Tool number : KV38100300 (J25523)
  
  Fig 11: Removing Mainshaft Bearing
  Courtesy of NISSAN MOTOR CO., U.S.A.
Remove drive chain and front drive shaft while tapping front drive shaft with plastic hammer.
CAUTION: Be careful not to tap drive chain.

Fig 12: Removing Drive Chain & Front Drive Shaft
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove oil gutter from rear case.

Fig 13: Identifying Oil Gutter
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove oil cover bolt and sensor fixing bolt from rear case. And then, remove oil cover.

Fig 14: Locating Oil Cover For Removal
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove retainer from electric controlled coupling connector.
Remove electric controlled coupling connector from rear case.
Remove O-ring from electric controlled coupling connector.

Fig 15: Locating Retainer For Removal
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove mainshaft assembly from rear case, using a drift.
1. Tool number : ST33052000 ( - )
  
  Fig 16: Removing Main Shaft Assembly
  Courtesy of NISSAN MOTOR CO., U.S.A.
Remove snap ring from rear case.

Fig 17: Removing Snap Ring
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove rear bearing from rear case, using a drift.
1. Tool number A: ST30611000 (J25742-1)
2. B: ST35321000 ( - )
  
  Fig 18: Removing Rear Bearing
  Courtesy of NISSAN MOTOR CO., U.S.A.
Remove baffle plate from rear case.
Remove breather tube from rear case.

Fig 19: Removing Baffle Plate
Courtesy of NISSAN MOTOR CO., U.S.A.