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Home >> Infiniti >> 2010 >> M45 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 138 (Rear Final Drive) >> Rear Final Drive Assembly >> Disassembly and Assembly >> Disassembly >> Differential Assembly

Differential Assembly

WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain gear oil, if necessary.
  2. Remove side flange.
  3. Remove rear cover mounting bolts.
  4. Remove rear cover to insert the seal cutter between gear carrier and rear cover.

    Tool number A: KV10111100 (J-37228) 

    CAUTION:
    • Be careful not to damage the mating surface.
    • Do not insert flat-bladed screwdriver, this way damage the mating surface.
      Fig 1: Inserting Seal Cutter Between Gear Carrier And Rear Cover
      G05225613Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Using two 45 mm (1.77 in) spacers, mount carrier on the attachment.

    Tool number A: KV38100800 (J-25604-01) 

    Fig 2: Identifying Mount Carrier
    G05225614Courtesy of NISSAN MOTOR CO., U.S.A.
  6. For proper reinstallation, paint matching marks on one side of the bearing cap.
    CAUTION:
    • For matching marks, use paint. Do not damage bearing caps and gear carrier.
    • Bearing caps are line-board during manufacture. The matching marks are used to reinstall them in their original positions.
      Fig 3: Aligning Matching Mark On Gear Carrier
      G04876337Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Remove bearing caps.
    Fig 4: Identifying Side Bearing Caps
    G04876338Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Lift differential case assembly out with a suitable tool.
    Fig 5: Lifting Differential Case Assembly
    G04876339Courtesy of NISSAN MOTOR CO., U.S.A.
    • Keep side bearing outer races together with inner race. Do not mix them up.

      Also, keep side bearing adjusting washers together with bearings.

      Fig 6: Identifying Correct Bearing Races
      G04876340Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Remove side bearing inner race.

    To prevent damage to bearing, engage puller jaws in groove (← ).

    Tool number A: ST33051001 (J-22888-20) 

    B: ST33061000 (J-8107-2) 

    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 it is replaced.
      Fig 7: Identifying Side Bearing Inner Race
      G05225500Courtesy of NISSAN MOTOR CO., U.S.A.
  10. For proper reinstallation, paint matching marks on one differential case assembly.
    CAUTION: For matching marks, use paint. Do not damage differential case and drive gear.
  11. Remove drive gear mounting bolts.
  12. Tap drive gear off differential case assembly with a soft hammer.
    CAUTION: Tap evenly all around to keep drive gear from bending.
    Fig 8: Identifying Matching Mark
    G04876342Courtesy of NISSAN MOTOR CO., U.S.A.
  13. Remove lock pin of pinion mate shaft with a punch from drive gear side.
    Fig 9: Tapping Lock Pin
    G05225502Courtesy of NISSAN MOTOR CO., U.S.A.
  14. Remove pinion mate shaft.
    Fig 10: Identifying Pinion Mate Shaft
    G04876344Courtesy of NISSAN MOTOR CO., U.S.A.
  15. Turn pinion mate gear, then remove pinion mate gear, pinion mate thrust washer, side gear and side gear thrust washer from differential case.
    Fig 11: Identifying Pinion Mate Gear
    G04876345Courtesy of NISSAN MOTOR CO., U.S.A.
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