Ring Gear Shaft: Assembly

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

Using drift (A) (commercial service tool), install drive shaft oil seal (1) within the dimension (L) shown as follows.

Fig 1: Installing Drive Shaft Oil Seal Using Drift
Courtesy of NISSAN NORTH AMERICA, INC.

L : 2.0 +0.6/ - 0 mm (0.079 +0.024/ - 0 in)
CAUTION:
- Never reuse the oil seal.
- When installing, never incline oil seal.
- Apply multi-purpose grease onto oil seal lips, and gear oil onto the circumference of the oil seal.
Select ring gear bearing adjusting shim (transfer case side) and ring gear bearing adjusting shim (transfer cover side). Refer to ADJUSTMENT .
Assemble the selected ring gear bearing adjusting shim (transfer case side) and ring gear bearing outer race (transfer case side) to transfer case. Refer to ASSEMBLY .
CAUTION:
- Never reuse ring gear bearing.
- Apply gear oil to the ring gear bearing.
Assemble the selected ring gear bearing adjusting shim (transfer cover side) and ring gear bearing outer race (transfer cover side) to transfer cover. Refer to ASSEMBLY .
CAUTION:
- Never reuse ring gear bearing.
- Apply gear oil to the ring gear bearing.
Install the ring gear to ring gear shaft, and tighten mounting bolts to the specified torque.
Install ring gear bearing inner race (transfer cover side) with drift (A) (commercial service tool).

Fig 2: Installing Ring Gear Bearing Inner Race (Transfer Cover Side) Using Drift
Courtesy of NISSAN NORTH AMERICA, INC.
CAUTION:
- Never reuse ring gear bearing.
- Apply gear oil to the ring gear bearing.
Install the ring gear bearing inner race (transfer case side) to ring gear shaft with drift (A) (commercial service tool).

Fig 3: Installing Inner Race Of Ring Gear Bearing (Left) To Ring Gear Shaft Using Drift
Courtesy of NISSAN NORTH AMERICA, INC.
CAUTION:
- Never reuse ring gear bearing.
- Apply gear oil to the ring gear bearing.
Install the ring gear shaft assembly to the transfer case.
CAUTION:
Protect transfer case oil seals beforehand from being damaged by the spline of ring gear shaft below method following.
1. Apply multi-purpose grease to spline part indicated in the figure.
  
  Fig 4: Indicating Multi-Purpose Grease To Spline Part
  Courtesy of NISSAN NORTH AMERICA, INC.
2. Wrap piece of vinyl to spline part only indicated in the figure. [(A): limit line]
  
  Fig 5: Wrapping Piece Of Vinyl To Spline Part
  Courtesy of NISSAN NORTH AMERICA, INC.
  
  CAUTION:
  Never wrap sliding surfaces on oil seal.
Install transfer cover to check and adjust each part. Refer to ASSEMBLY .
NOTE:
At this timing, O-ring installing to transfer cover is not necessary. Install O-ring after backlash and tooth contact are checked.
Check backlash, tooth contact, total preload and companion flange runout. Refer to ADJUSTMENT .
CAUTION:
Measure the total preload without oil seals of transfer cover and transfer case.
Reinstall transfer cover for installing O-ring. Refer to ASSEMBLY .
After installing transfer case oil seals, remove wrapped vinyl from the spline of ring gear shaft.