Case And Extension

WARNING: This page is about a different variant/trim than selected.

Remove drain plug and gasket from transmission case and then drain gear oil.
Remove filler plug and gasket from transmission case.
Remove gear lever position sensor with the following procedure.
1. Remove clips (1) from gear lever position sensor (2) harness and bracket.
2. Remove gear lever position sensor harness from bracket.
3. Remove gear lever position sensor from rear extension upper cover.
  
  Fig 1: Identifying Gear Lever Position Sensor And Clips
  Courtesy of NISSAN MOTOR CO., U.S.A.
Remove gear lever position sensor magnet (1) from striking rod.
Remove rear extension upper cover with the following procedure.
1. Remove rear extension upper cover mounting bolts while holding rear extension upper cover.
2. Remove rear extension upper cover and rear extension upper cover gasket from rear extension.
  
  Fig 2: Identifying Gear Lever Position Sensor Magnet
  Courtesy of NISSAN MOTOR CO., U.S.A.
Remove check select spring and check ball from rear extension.
CAUTION: Never drop check ball.
Remove control rod with the following procedure.
1. Remove control rod boot from control rod.
  
  Fig 3: Identifying Check Select Spring And Check Ball
  Courtesy of NISSAN MOTOR CO., U.S.A.
2. Remove boot (1) from control rod as shown in the figure.
3. Remove retaining pin (<==) from control rod using a pin punch [Commercial service tool] and then remove control rod from striking rod.
4. Remove boot from striking rod oil seal.
Remove park/neutral position (PNP) switch and plunger from rear extension.
Remove back-up lamp switch from rear extension.

Fig 4: Locating Control Rod Retaining Pin
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove mounting bolts (<==) and then remove control bracket from rear extension.

Fig 5: Locating Control Bracket Mounting Bolts
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove return spring plungers (1), return springs (2), and return spring plugs (3) from rear extension.
CAUTION: Return spring and return spring plunger have different lengths for right and left sides. Identify right and left side and then store.
Remove input speed sensor with the following procedure.
1. Remove input speed sensor from rear extension.
  CAUTION:
  - Never disassemble input speed sensor.
  - Never impact input speed sensor by dropping or others.
    
    Fig 6: Identifying Return Spring Plungers, Return Springs And Return Spring Plugs
    Courtesy of NISSAN MOTOR CO., U.S.A.
  - Never place input speed sensor near magnetic materials.
2. Remove O-ring from input speed sensor.
Remove rear oil seal from rear extension using the puller [SST: KV381054S0 (J-34286)].
CAUTION: Never damage rear extension.
Remove brackets from rear extension.
Remove control lever housing from rear extension.
CAUTION: Never hold control lever housing to prevent the bushing of control lever housing from deformation when moving transmission assembly.

Fig 7: Removing Rear Oil Seal
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove rear extension from adapter plate using a soft hammer.
CAUTION: Never drop reverse idler thrust washer.
Remove striking rod oil seal from rear extension.
CAUTION: Never damage rear extension.
Remove dust cover from rear extension.
CAUTION: Never damage rear extension.
Remove oil gutter with the following procedure.
1. Remove oil gutter from rear extension.
2. Remove cap from oil gutter.
Remove reverse idler shaft assembly (<==) from adapter plate.

Fig 8: Locating Reverse Idler Shaft Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove front cover with the following procedure.
1. Remove mounting bolts (<==) and sealing bolts (1).
2. Remove front cover and front cover gasket from transmission case.
  
  Fig 9: Locating Transmission Case Mounting Bolts
  Courtesy of NISSAN MOTOR CO., U.S.A.
3. Remove front oil seal from front cover using a flat-bladed screwdriver.
  CAUTION: Never damage front cover.
  
  Fig 10: Removing Front Oil Seal
  Courtesy of NISSAN MOTOR CO., U.S.A.
Remove transmission case with the following procedure.
1. Remove mounting nut (<==) from transmission case.
  
  Fig 11: Locating Transmission Case Mounting Nut
  Courtesy of NISSAN MOTOR CO., U.S.A.
2. Remove snap ring from main drive gear bearing using snap ring pliers.
  
  Fig 12: Installing Snap Ring To Main Drive Gear Bearing
  Courtesy of NISSAN MOTOR CO., U.S.A.
3. Carefully tap transmission case using a soft hammer (A) and then separate adapter plate and transmission case.
  CAUTION: Never drop counter front bearing.
  
  Fig 13: Separating Adapter Plate And Transmission Case
  Courtesy of NISSAN MOTOR CO., U.S.A.
Remove counter front bearing (1) from transmission case.
Remove breather tube from transmission case.
CAUTION: Never damage transmission case.
Remove bracket from transmission case.

Fig 14: Identifying Counter Front Bearing
Courtesy of NISSAN MOTOR CO., U.S.A.