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Home >> Infiniti >> 2017 >> Q50 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 479 (Rear Final Drive) >> Unit Disassembly And Assembly >> Differential Assembly >> Disassembly and Assembly >> Disassembly

Disassembly and Assembly: Disassembly

WARNING: This page is about a different car, the 2019 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove drain plug and gasket from rear cover and drain gear oil.
  2. Remove filler plug and gasket from rear cover.
  3. Remove the side oil seal, using oil seal remover (commercial service too).
    CAUTION: Never damage gear carrier and rear cover.
  4. Remove rear cover mounting bolts.
  5. Set drifts (A and B) to the right and left side bearing adjusting washers individually. Press differential assembly with side bearing to remove gear carrier assembly and rear cover assembly.
    GNSJPDID0355Z-355Courtesy of NISSAN NORTH AMERICA, INC.

    A

    : Drift [SST: ST30613000 (J-25742-3)]

    B

    : Drift [SST: ST30613000 (J-25742-3)]
    CAUTION: The pressure shall be as low as possible to remove gear carrier assembly and rear cover assembly. The maximum pressure shall be 10 kN (1 ton, 1.1 US ton, 1.0 Imp ton).
    NOTE: Differential assembly, side bearings, and adjusting washers are compressed and integrated in gear carrier and rear cover.
  6. Remove stud bolt from rear cover.
    NOTE: It is not necessary to remove stud bolt except when it is replaced.
  7. Remove side bearing adjusting washers and side bearing outer races.
    CAUTION: Mark the side bearing adjusting washers so that the original mounting positions (right/left) can be identified later.
  8. Remove side bearing inner races, using puller (A) and the adaptor (B).
    G04076245Courtesy of NISSAN NORTH AMERICA, INC.

    A

    : Puller [SST: ST33051001 (J-22888-20)]

    B

    : Adaptor [SST: KV40104920 (--)]
    CAUTION:
    • To prevent damage to the side bearing and drive gear, place copper plates between these parts and vise.
    • To prevent damage to bearing, engage puller jaws in groove (SYMBOL ).
    • It is not necessary to remove side bearing inner race except when it is replaced.
  9. For proper reinstallation, paint matching marks SYMBOL on one differential assembly and drive gear.
    GNSJSDIB0199Z-199Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: For matching marks, use paint. Never damage differential assembly and drive gear.
  10. Remove drive gear mounting bolts.
    GNSJSDIB0200Z-200Courtesy of NISSAN NORTH AMERICA, INC.
  11. Tap drive gear off differential assembly with a soft hammer.
    GNSSDIA0026J-026Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Tap evenly all around to keep drive gear from bending.
  12. Perform inspection after disassembly. Refer to Inspection .
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