Front Case and Rear Case

WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.

Install breather tube, with plastic hammer.
CAUTION: Pay attention to the direction of breather tube.
Install baffle plate to rear case, and tighten bolt to the specified torque. Refer to "COMPONENTS ".

Fig 1: Installing Baffle Plate To Rear Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Install rear bearing to rear case, using the drift.
Tool number : KV38104010 ( - )

CAUTION: Apply ATF to inside of rear bearing.

Fig 2: Tapping Rear Bearing To Rear Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Install snap ring to rear case.
CAUTION: Do not reuse snap ring.

Fig 3: Identifying Snap Ring To Rear Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Install mainshaft assembly to rear case, using the drift.
Tool number : ST35321000 ( - )

CAUTION: ATF should be applied to contact surface of mainshaft and rear bearing.
Install O-ring to transfer assembly harness connector.
CAUTION:
- Do not reuse O-ring.
- Apply ATF to O-ring.
  
  Fig 4: Identifying Mainshaft Assembly To Rear Case
  Courtesy of NISSAN MOTOR CO., U.S.A.
Install transfer assembly harness connector into rear case.
Install retainer to transfer assembly harness connector.

Fig 5: Identifying Transfer Assembly Harness Connector
Courtesy of NISSAN MOTOR CO., U.S.A.
Hold electric controlled coupling harness with oil cover hold plate, install oil cover to rear case, and tighten bolt to the specified torque. Refer to "COMPONENTS ".
CAUTION: The harness should be guided by a cut portion.

Fig 6: Caution For Cut Portion
Courtesy of NISSAN MOTOR CO., U.S.A.
Install oil gutter to rear case.
CAUTION: The tip of oil gutter should be put into rear case groove.

Fig 7: Identifying Oil Gutter To Rear Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Install drive chain to front drive shaft.
CAUTION: Identification mark of drive chain should be in the side of front bearing of front drive shaft.

Fig 8: Identifying Mark Of Drive Chain
Courtesy of NISSAN MOTOR CO., U.S.A.
Install drive chain to mainshaft, and then install tap front drive shaft with plastic hammer. Press-fit rear bearing of front drive shaft to rear case.
CAUTION: Be careful not to tap drive chain.

Fig 9: Tapping Front Drive Shaft With Plastic Hammer
Courtesy of NISSAN MOTOR CO., U.S.A.
Install mainshaft bearing to front case, using the drift.
Tool number : ST30621000 (J-25742-5)

Fig 10: Tapping Mainshaft Bearing To Front Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Install snap ring to front case.
CAUTION: Do not reuse snap ring.

Fig 11: Identifying Snap Ring To Front Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Apply liquid gasket to mating surface of rear case.
- Use Genuine Anaerobic Liquid Gasket or equivalent. Refer to "RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS ".
CAUTION: Remove old sealant adhering to mounting surfaces. Also remove any moisture, oil, or foreign material adhering to application and mounting surfaces.

Fig 12: Applying Liquid Gasket To Mating Surface Of Rear Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Set front case to rear case.
CAUTION: Be careful not to damage the mating surface transmission side.

Fig 13: Tapping Front Case To Rear Case
Courtesy of NISSAN MOTOR CO., U.S.A.

Tighten front case and rear case fixing bolts to the specified torque. Refer to "COMPONENTS ".

TIGHTENING TORQUE SPECIFICATION

Bolts symbol	Quantity	Bolt length "l" mm (in)
A	11	42 (1.65)
B	1	162 (6.38)
C	1	97 (3.82)
TORX bolts	1	40 (1.57)

Fig 14: Identifying TORX Bolt Length

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

Install spacer to mainshaft.
CAUTION: Apply ATF to spacer.

Fig 15: Identifying Spacer To Mainshaft
Courtesy of NISSAN MOTOR CO., U.S.A.
Install rear oil seal to rear case, using the drifts.
Dimension A : 6.7 - 7.3 mm (0.264 - 0.287 in)

Tool number A: ST30720000 (J-25405)

B: KV40104830 ( - )
CAUTION:
- Do not reuse rear oil seal.
- Apply ATF to rear oil seal.
- When installing, do not incline rear oil seal.
  
  Fig 16: Identifying Rear Oil Seal To Rear Case Installation Position
  Courtesy of NISSAN MOTOR CO., U.S.A.
Install companion flange while align the matching mark of mainshaft with the mark of companion flange.

Fig 17: Aligning Matching Mark Of Mainshaft With Mark Of Companion Flange
Courtesy of NISSAN MOTOR CO., U.S.A.
Tighten self-lock nut to the specified torque, with flange wrench. Refer to "COMPONENTS ".
CAUTION: Do not reuse self-lock nut.

Fig 18: Tightening Self-Lock Nut
Courtesy of NISSAN MOTOR CO., U.S.A.
Install mainshaft oil seal until it is flush with end face of front case, using the drift.
Tool number : ST30720000 (J-25405)
CAUTION:
- Do not reuse mainshaft oil seal.
- Apply ATF to mainshaft oil seal.
- When installing, do not incline mainshaft oil seal.
  
  Fig 19: Tapping Mainshaft Oil Seal
  Courtesy of NISSAN MOTOR CO., U.S.A.
Install front oil seal until it is flush with end face of front case, using the drift.
Tool number : ST27862000 ( - )
CAUTION:
- Do not reuse front oil seal.
- Apply ATF to front oil seal.
- When installing, do not incline front oil seal.
Apply sealant to threads of drain plug. Then install it to rear case and tighten to the specified torque. Refer to "COMPONENTS ".

Fig 20: Tapping Front Oil Seal
Courtesy of NISSAN MOTOR CO., U.S.A.
- Use Genuine Silicone RTV or equivalent. Refer to "RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS ".
  CAUTION: Remove old sealant and oil adhering to threads.
Set gasket to filler plug. Install it to rear case and tighten to the specified torque. Refer to "COMPONENTS ".
CAUTION:
- Do not reuse gasket.
- After oil is filled, tighten filler plug to specified torque.