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Home >> Infiniti >> 2006 >> M35 Base >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Front Final Drive >> Front Final Drive Assembly >> Disassembly and Assembly >> Assembly >> Differential Assembly

Differential Assembly

  1. Install side gear thrust washers with the same thickness as the ones installed prior to disassembly or reinstall the old ones on the side gears.
    Fig 1: Identifying Side Gear Thrust Washers
    G04144446Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Install side gears and thrust washers into differential case.
    CAUTION:
    • Do not reuse circular clip.
    • Make sure that the circular clip is installed to side gear (side retainer side).
  3. Align 2 pinion mate gears in diagonally opposite positions, then rotate and install them into differential case after installing thrust washer to pinion mate gear.
    Fig 2: Installing Side Gears And Thrust Washers Into Differential Case
    G04144447Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Align the lock pin holes on differential case with shaft, and install pinion mate shaft.
  5. Measure side gear end play. If necessary, select the appropriate side gear thrust washers. Refer to , "DIFFERENTIAL SIDE GEAR CLEARANCE ".
    Fig 3: Aligning Lock Pin Holes On Differential Case
    G04144448Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Drive a lock pin into pinion mate shaft, using a punch. Make sure lock pin is flush with differential case.
    CAUTION: Do not reuse lock pin.
    Fig 4: Driving Lock Pin Into Pinion Mate Shaft
    G04144449Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Align the matching mark of drive gear with the mark of differential case, then place drive gear.
    Fig 5: Aligning Matching Mark Of Drive Gear Of Differential Case
    G04144450Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Apply thread locking sealant into the thread hole of drive gear.
    CAUTION: Drive gear back and threaded holes shall be cleaned and degreased sufficiently.
    Fig 6: Applying Thread Locking Sealant Into Thread Hole Of Drive Gear
    G04144451Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Install drive gear on the mounting bolts, and then tighten to the specified torque. Refer to , "COMPONENTS ".
    CAUTION: Tighten bolts in a crisscross fashion.
    Fig 7: Tightening Drive Gear Mounting Bolts
    G04144452Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Press side bearing inner races to differential case, using the drift and the base.

    Tool number  

    A: ST33230000 (J-25805-01) 

    B: ST33061000 (J-8107-2) 

    Fig 8: Pressing Side Bearing Inner Races To Differential Case
    G04144453Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION: Do not reuse side bearing inner race.
  11. Press-fit side bearing outer race into side retainer with the drift and the drift bar.

    Tool number 

    A: ST30611000 (J-25742-1) 

    B: KV31103000 (J-38982) 

    Fig 9: Pressing Side Bearing Outer Race Into Side Retainer With Drift And Drift Bar
    G04144454Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION:
    • At first, using a hammer, tap bearing outer race until it becomes flat to side retainer.
    • Do not reuse side bearing outer race.
  12. Press-fit side bearing outer race into gear carrier with the drift and the drift bar.

    Tool number 

    A: ST30611000 (J-25742-1) 

    B: KV31103000 (J-38982) 

    Fig 10: Pressing Side Bearing Outer Race Into Gear Carrier With Drift And Drift Bar
    G04144455Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION:
    • At first, using a hammer, tap bearing outer race until it becomes flat to gear carrier.
    • Do not reuse side bearing outer race.
  13. Place the differential case assembly into gear carrier.
  14. Measure side bearing preload. If necessary, select the appropriate side bearing adjusting shim. Refer to , "SIDE BEARING PRELOAD ".
    Fig 11: Identifying Differential Case Assembly And Gear Carrier
    G04144456Courtesy of NISSAN MOTOR CO., U.S.A.
  15. Install selected side bearing adjusting shim (1).
  16. Apply multi-purpose grease to O-ring (2), and install it to side retainer.
    CAUTION: Do not reuse O-ring.
  17. Install side retainer assembly to gear carrier.
    Fig 12: Installing Side Retainer Assembly To Gear Carrier
    G04144457Courtesy of NISSAN MOTOR CO., U.S.A.
  18. Install side retainer mounting bolts to the specified torque. Refer to , "COMPONENTS ".
    Fig 13: Installing Side Retainer Mounting Bolts
    G04144458Courtesy of NISSAN MOTOR CO., U.S.A.
  19. Using the drift, press-fit side oil seal so that its surface comes face to face with the end surface of the side retainer.

    Tool number A: ST33400001 (J-26082) 

    Fig 14: Pressing Side Oil Seal
    G04144459Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION:
    • Do not reuse oil seal.
    • When installing, do not incline oil seal.
    • Apply multi-purpose grease onto oil seal lips, and gear oil onto the circumference of oil seal.
  20. Using the drift, press-fit side oil seal so that its surface comes face to face with the end surface of gear carrier.

    Tool number A: KV38102100 (J-25803-01) 

    Fig 15: Identifying Side Oil Seal
    G04144460Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION:
    • Do not reuse oil seal.
    • When installing, do not incline oil seal.
    • Apply multi-purpose grease onto oil seal lips, and gear oil onto the circumference of oil seal.
  21. Apply multi-purpose grease to O-ring, and install it to gear carrier.
    CAUTION: Do not reuse O-ring.
  22. Check and adjust drive gear runout, tooth contact, drive gear to drive pinion backlash, and total preload torque. Refer to , "DRIVE GEAR RUNOUT ", , "TOOTH CONTACT ", , "BACKLASH ", , "TOTAL PRELOAD TORQUE ".

    Recheck above items. Readjust the above description, if necessary.

  23. Apply sealant to mating surface of carrier cover.
    CAUTION: Remove old sealant adhering to mounting surfaces. Also remove any moisture, oil, or foreign material adhering to application and mounting surfaces.
    Fig 16: Applying Sealant To Mating Surface
    G04144461Courtesy of NISSAN MOTOR CO., U.S.A.
  24. Install carrier cover on gear carrier and tighten mounting bolts with the specified torque. Refer to , "COMPONENTS ".
    Fig 17: Tightening Mounting Bolts
    G04144462Courtesy of NISSAN MOTOR CO., U.S.A.
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