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Home >> Infiniti >> 2010 >> EX35 Base, AWD >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Front Final Drive >> Disassembly And Assembly >> Differential Assembly >> Assembly

Differential Assembly: 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: Installing Side Gear Thrust Washers
    G04876378Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Install side gears and thrust washers into differential case.
    CAUTION:
    • Never 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
    G04876379Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Align the lock pin holes on differential case with shaft, and install pinion mate shaft.
    Fig 3: Identifying Pinion Mate Shaft
    G04876380Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Measure side gear end play. If necessary, select the appropriate side gear thrust washers.
    1. Place differential case straight up so that side gear to be measured comes upward.
      Fig 4: Identifying Differential Center Line And Measuring Points
      G05729145Courtesy of NISSAN MOTOR CO., U.S.A.
    2. Using feeler gauge, measure the clearance between side gear back and differential case at 3 different points, while rotating side gear. Average the 3 readings, and then measure the clearance of the other side as well.

      Standard 

      Side gear back clearance :  Refer to "DIFFERENTIAL SIDE GEAR CLEARANCE ".

      Fig 5: Measuring Clearance Between Side Gear Back And Differential Case By Using Feeler Gauge
      G04876353Courtesy of NISSAN MOTOR CO., U.S.A.
      CAUTION: To prevent side gear from tilting, insert feeler gauges with the same thickness from both sides.
    3. If the back clearance is outside the specification, use a thicker/thinner side gear thrust washer to adjust.

      When the back clearance is large: Use a thicker thrust washer. 

      When the back clearance is small: Use a thinner thrust washer. 

      CAUTION: Select a side gear thrust washer for right and left individually.
  6. Drive a lock pin into pinion mate shaft, using a punch. Make sure lock pin is flush with differential case.
    CAUTION: Never reuse lock pin.
    Fig 6: Driving Lock Pin Into Pinion Mate Shaft
    G04876381Courtesy 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 7: Aligning Matching Mark Of Drive Gear With Mark Of Differential Case
    G04876382Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Apply thread locking sealant into the thread hole of drive gear.
    • Use Genuine Medium Strength Thread Locking Sealant or equivalent.  Refer to "RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS ".
      CAUTION: Drive gear back and threaded holes must be cleaned and degreased sufficiently.
      Fig 8: Applying Thread Locking Sealant Into Thread Hole Of Drive Gear
      G04876383Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Install drive gear on the mounting bolts.
    CAUTION: Tighten bolts in a crisscross fashion.
    Fig 9: Installing Drive Gear On Mounting Bolts
    G05703337Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Press side bearing inner races to differential case, using the drift and the base.
    Fig 10: Pressing Side Bearing Inner Races To Differential Case
    G06301822Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION: Never reuse side bearing inner race.
  11. Press-fit side bearing outer race into side retainer with the drift and the drift bar.
    Fig 11: Press-Fitting Side Bearing Outer Race Into Side Retainer With Drift And Drift Bar
    G06301823Courtesy of NISSAN MOTOR CO., U.S.A.
  12. Press-fit side bearing outer race into gear carrier with the drift and the drift bar.
    Fig 12: Press-Fitting Side Bearing Outer Race Into Gear Carrier With Drift And Drift Bar
    G06301824Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION:
    • At first, using a hammer, tap bearing outer race until it becomes flat to gear carrier.
    • Never 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 "ADJUSTMENT ".
    Fig 13: Placing Differential Case Assembly Into Gear Carrier
    G05225496Courtesy of NISSAN MOTOR CO., U.S.A.
  15. Install selected side bearing adjusting shim (1). Refer to "ADJUSTMENT ".
  16. Apply multi-purpose grease to O-ring (2), and install it to side retainer.
    CAUTION: Never reuse O-ring.
  17. Install side retainer assembly to gear carrier.
    Fig 14: Installing Side Retainer Assembly To Gear Carrier
    G05225542Courtesy of NISSAN MOTOR CO., U.S.A.
  18. Install side retainer mounting bolts.
    Fig 15: Locating Side Retainer Mounting Bolts
    G05225517Courtesy of NISSAN MOTOR CO., U.S.A.
  19. Using the drift (A) [SST: ST33400001 (J-26082)], press-fit side oil seal so that its surface comes face-to-face with the end surface of the side retainer.
    CAUTION:
    • Never reuse oil seal.
    • When installing, never incline oil seal.
    • Apply multi-purpose grease onto oil seal lips, and gear oil onto the circumference of oil seal.
      Fig 16: Press-Fitting Side Oil Seal
      G05225469Courtesy of NISSAN MOTOR CO., U.S.A.
  20. Using the drift (A) [SST: KV38102100 (J-25803-01)], press-fit side oil seal so that its surface comes face-to-face with the end surface of gear carrier.
    CAUTION:
    • Never reuse oil seal.
    • When installing, never incline oil seal.
    • Apply multi-purpose grease onto oil seal lips, and gear oil onto the circumference of oil seal.
      Fig 17: Press-Fitting Side Oil Seal
      G05225470Courtesy of NISSAN MOTOR CO., U.S.A.
  21. Apply multi-purpose grease to O-ring, and install it to gear carrier.
    CAUTION: Never reuse O-ring.
  22. Check and adjust drive gear runout, tooth contact, drive gear to drive pinion backlash, and total preload torque. Refer to "ADJUSTMENT ".

    Recheck above items. Readjust as described above, if necessary.

  23. Apply sealant (A) to mating surface of carrier cover.
    • Use Genuine Silicone RTV 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 18: Applying Sealant To Mating Surface Of Carrier Cover
      G05225546Courtesy of NISSAN MOTOR CO., U.S.A.
  24. Install carrier cover on gear carrier and tighten mounting bolts.
    Fig 19: Locating Carrier Cover Mounting Bolts
    G05225547Courtesy of NISSAN MOTOR CO., U.S.A.
  25. Set breather connector angle (A) as shown in the figure.
    Fig 20: Identifying Breather Connector Angle
    G06301832Courtesy of NISSAN MOTOR CO., U.S.A.

    A : 0 - 30° 

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