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 rear extension upper cover mounting bolts.
Remove rear extension upper cover and rear extension upper cover gasket from rear extension.

Fig 1: Locating Rear Extension Upper Cover Mounting Bolts
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove check select spring and check ball from rear extension.

Fig 2: Identifying Check Select Spring And Check Ball
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove retaining pin using a pin punch [Commercial service tool] and then remove control rod and boots.
Remove park/neutral position (PNP) switch, plunger, and backup lamp switch from rear extension.

Fig 3: Identifying Retaining Pin
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove control bracket mounting bolts and then remove check shift pin and control bracket as one unit from rear extension.

Fig 4: Locating Control Bracket Mounting Bolts
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove right and left return spring plugs and then remove return springs and return spring plungers 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 bracket mounting bolts and then remove brackets from rear extension.

Fig 5: Locating Bracket Mounting Bolts
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove rear oil seal from rear extension using a puller [SST: KV381054S0 (J-34286)].
CAUTION: Never damage rear extension.

Fig 6: Removing Rear Oil Seal From Rear Extension
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove rear extension mounting bolts and then remove rear extension assembly using a soft hammer.
CAUTION: Never hold control lever housing to prevent the bushing of control lever housing from deformation when moving transmission assembly.
Remove control lever housing mounting bolts and then remove control lever housing from rear extension.
Remove striking rod oil seal from rear extension.
CAUTION: Never damage rear extension.

Fig 7: Tapping Control Lever Housing Mounting Bolts
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove rear extension dust cover from rear extension.
Remove rear extension oil gutter and cap from rear extension.
Remove counter end bearing from rear extension.
Remove reverse idler thrust washer, reverse idler gear and reverse idler needle bearing from reverse idler shaft.
Remove reverse idler shaft from adapter plate.

Fig 8: Identifying Reverse Idler Shaft
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove front cover mounting bolts (<= ) and sealing bolts (1).
Remove front cover and front cover gasket from transmission case.

Fig 9: Locating Front Cover Mounting Bolts
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove front cover oil seal from front cover assembly using a flat-bladed screwdriver.
CAUTION: Never damage front cover mating surface.

Fig 10: Removing Front Cover Oil Seal
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove baffle plate mounting nut from transmission case.

Fig 11: Locating Baffle Plate Mounting Nut
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove snap ring from main drive gear bearing using snap ring pliers.

Fig 12: Removing Snap Ring
Courtesy of NISSAN MOTOR CO., U.S.A.
Using a soft hammer to carefully tap mainshaft and counter shaft from transmission case side and then separate adapter plate and transmission case.

Fig 13: Separating Adapter Plate And Transmission Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove counter front bearing from transmission case.
Remove oil gutter and breather tube from transmission case.
Remove bracket mounting bolt and then remove bracket from transmission case.

Fig 14: Identifying Counter Front Bearing

Courtesy of NISSAN MOTOR CO., U.S.A.