FixVault

Differential Assembly

WARNING: This page is about a different car, the 2005 Infiniti FX45 and 2005 Infiniti FX35. 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.
    1. Tool number: 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
    G02368083Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Using two 45 mm (1.77 in) spacers, mount carrier on the attachment.
    1. Tool number: KV38100800 (J-25604-01) 
    Fig 2: Identifying Spacer and tool
    G02368084Courtesy of NISSAN MOTOR CO., U.S.A.
  6. For proper reinstallation, paint matching marks on one side of the bearing cap.
    CAUTION:
    • For matching mark, 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 Marks
    G02368085Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Remove bearing caps.
    Fig 4: Removing Bearing Caps
    G02368086Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Lift differential case assembly out with a suitable tool.
    Fig 5: Lifting Differential Case Assembly
    G02368087Courtesy 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: Lifting Differential Case Assembly And Adjusting Washers
    G02368088Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Remove side bearing inner race.

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

    1. 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: Removing Side Bearing Inner Race
    G02368089Courtesy of NISSAN MOTOR CO., U.S.A.
  10. For proper reinstallation, paint matching mark on one differential case assembly.
    CAUTION: For matching mark, 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: Aligning Matching Mark
    G02368090Courtesy of NISSAN MOTOR CO., U.S.A.
  13. Remove lock pin of pinion mate shaft with a punch from drive gear side.
    Fig 9: Removing Lock Pin Of Pinion Punch From Drive Gear Side
    G02368091Courtesy of NISSAN MOTOR CO., U.S.A.
  14. Remove pinion mate shaft.
    Fig 10: Removing Pinion Mate Shaft
    G02368092Courtesy 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: Removing Pinion Mate Gear, Pinion Mate Thrust Washer, Side Gear And Side Gear Thrust Washer From Differential Case
    G02368093Courtesy of NISSAN MOTOR CO., U.S.A.