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Home >> Infiniti >> 2014 >> QX50 Base, AWD >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Front Final Drive >> Unit Disassembly And Assembly >> Differential Assembly >> Disassembly

Differential Assembly: Disassembly

  1. Drain gear oil, if necessary.
  2. Remove carrier cover mounting bolts.
  3. Remove carrier cover to insert the seal cutter (A) [SST: KV10111100 (J-37228)] between gear carrier and carrier cover.
    CAUTION:
    • Never damage the mating surface.
    • Never insert flat-bladed screwdriver, this may damage the mating surface.
    Fig 1: Inserting Seal Cutter Between Gear Carrier And Carrier Cover
    G07016667Courtesy of NISSAN NORTH AMERICA, INC.
  4. Remove side retainer.
    Fig 2: Removing Side Retainer
    G07016668Courtesy of NISSAN NORTH AMERICA, INC.
  5. Remove side bearing adjusting shim.
  6. Remove O-ring from side retainer.
  7. Remove differential case assembly from gear carrier.
    Fig 3: Identifying Differential Case Assembly
    G07016669Courtesy of NISSAN NORTH AMERICA, INC.
  8. Remove side oil seal (right side) from side retainer.
    Fig 4: Removing Side Oil Seal (Right Side) From Side Retainer
    G07016670Courtesy of NISSAN NORTH AMERICA, INC.
  9. Remove side bearing outer race with puller (A) [SST: KV381054S0 (J-34286)].
    Fig 5: Removing Side Bearing Outer Race Using Puller
    G07016671Courtesy of NISSAN NORTH AMERICA, INC.
  10. Remove O-ring from gear carrier.
  11. Remove side oil seal (left side) from gear carrier.
  12. Remove side bearing outer race with puller (A) [SST: KV381054S0 (J-34286)].
    Fig 6: Removing Side Bearing Outer Race Using Puller
    G07016672Courtesy of NISSAN NORTH AMERICA, INC.
  13. Remove side bearing inner race with puller (A) and base (B). To prevent damage to bearing, engage puller jaws in groove (←).
    Fig 7: Removing Side Bearing Inner Race Using Puller And Base
    G09175911Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION:
    • To prevent damage to the side bearing and drive gear, place copper plates between these parts and vise.
    • It is not necessary to remove side bearing inner race except if it is replaced.
  14. For proper reinstallation, paint matching marks on one differential case assembly.
    CAUTION: For matching marks, use paint. Never damage differential case and drive gear.
  15. Remove drive gear mounting bolts.
  16. Tap drive gear off differential case assembly with a soft hammer.
    CAUTION: Tap evenly all around to keep drive gear from bending.
    Fig 8: Tapping Drive Gear Off Differential Case Assembly Using Soft Hammer
    G07016674Courtesy of NISSAN NORTH AMERICA, INC.
  17. Remove lock pin of pinion mate shaft with a punch from drive gear side.
    Fig 9: Removing Lock Pin Of Pinion Mate Shaft Using Punch
    G07016675Courtesy of NISSAN NORTH AMERICA, INC.
  18. Remove pinion mate shaft.
    Fig 10: Removing Pinion Mate Shaft
    G07016676Courtesy of NISSAN NORTH AMERICA, INC.
  19. Turn pinion mate gear, then remove pinion mate gears, pinion mate thrust washers, side gears and side gear thrust washers from differential case.
    Fig 11: Turning Pinion Mate Gear
    G07016677Courtesy of NISSAN NORTH AMERICA, INC.
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