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Home >> Infiniti >> 2008 >> FX45 >> Repair and Diagnosis >> Transmission >> Transfer Case >> Transfer Assembly >> Disassembly and Assembly >> Assembly >> Front Case and Rear Case

Front Case and Rear Case

  1. Install breather tube, with plastic hammer.
    CAUTION: Pay attention to the direction of breather tube.
  2. Install baffle plate to rear case, and tighten bolt to the specified torque. Refer to "COMPONENTS ".
    Fig 1: Identifying Breather Tube
    G05225385Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Install rear bearing to rear case, using a drift.

    Tool number : KV38104010 ( - ) 

    CAUTION: Apply ATF to inside of rear bearing.
    Fig 2: Identifying Rear Bearing To Rear Case
    G05225386Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Install snap ring to rear case.
    CAUTION: Do not reuse snap ring.
    Fig 3: Identifying Snap Ring To Rear Case
    G05225368Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Install mainshaft assembly to rear case, using a drift.

    Tool number : ST35321000 ( - ) 

    CAUTION: ATF should be applied to contact surface of mainshaft and rear bearing.
    Fig 4: Identifying Mainshaft Assembly To Rear Case
    G05225388Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Install O-ring to transfer assembly harness connector.
    CAUTION:
    • Do not reuse O-ring.
    • Apply ATF to O-ring.
  7. Install transfer assembly harness connector into rear case.
  8. Install retainer to transfer assembly harness connector.
    Fig 5: Identifying Retainer To Transfer Assembly Harness Connector
    G05225366Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Hold electric controlled coupling harness (1) with oil cover hold plate (2), install oil cover (3) to rear case (4), and tighten bolt to the specified torque. Refer to "COMPONENTS ".
    CAUTION: The harness should be guided by a cut portion.
    Fig 6: Locating Bolts
    G05225390Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Install oil gutter to rear case.
    CAUTION: The tip of oil gutter should be put into rear case groove.
    Fig 7: Identifying Oil Gutter To Rear Case
    G05225364Courtesy of NISSAN MOTOR CO., U.S.A.
  11. Install drive chain to front drive shaft.
    CAUTION: Identification mark of drive chain should be in the side of front bearing of front drive shaft.
    Fig 8: Identifying Front Bearing And Identification Mark Of Drive Chain
    G05225381Courtesy of NISSAN MOTOR CO., U.S.A.
  12. Install drive chain to mainshaft, and then install tap front drive shaft with plastic hammer. Press-fit rear bearing of front drive shaft to rear case.
    CAUTION: Be careful not to tap drive chain.
    Fig 9: Tapping Front Drive Shaft
    G05225363Courtesy of NISSAN MOTOR CO., U.S.A.
  13. Install mainshaft bearing to front case, using a drift.

    Tool number : ST30621000 (J-25742-5) 

    Fig 10: Installing Mainshaft Bearing To Front Case
    G05225394Courtesy of NISSAN MOTOR CO., U.S.A.
  14. Install snap ring to front case.
    CAUTION: Do not reuse snap ring.
    Fig 11: Identifying Snap Ring To Front Case
    G05225361Courtesy of NISSAN MOTOR CO., U.S.A.
  15. Apply liquid gasket to mating surface of rear case.
    CAUTION: Remove old sealant adhering to mounting surfaces. Also remove any moisture, oil, or foreign material adhering to application and mounting surfaces.
    Fig 12: Identifying Liquid Gasket To Mating Surface Of Rear Case
    G05225396Courtesy of NISSAN MOTOR CO., U.S.A.
  16. Set front case to rear case.
    CAUTION: Be careful not to damage the mating surface transmission side.
    Fig 13: Setting Front Case To Rear Case
    G05225397Courtesy of NISSAN MOTOR CO., U.S.A.
  17. Tighten front case and rear case fixing bolts to the specified torque. Refer to "COMPONENTS ".
    Fig 14: Identifying Front Case And Rear Case Fixing Bolts
    G05225359Courtesy of NISSAN MOTOR CO., U.S.A.
    BOLT SPECIFICATION CHART

    Bolts symbol Quantity Bolt length " " mm (in)
    A 11 42 (1.65)
    B 1 162 (6.38)
    C 1 97 (3.82)
    TORX bolts 1 40 (1.57)
  18. Install spacer to mainshaft.
    CAUTION: Apply ATF to spacer.
    Fig 15: Identifying Spacer To Mainshaft
    G05225358Courtesy of NISSAN MOTOR CO., U.S.A.
  19. Install rear oil seal to rear case, using a drift.

    Dimension A : 6.7 - 7.3 mm (0.264 - 0.287 in) 

    Tool number 

    A: ST30720000 (J-25405) 

    B: KV40104830 ( - ) 

    CAUTION:
    • Do not reuse rear oil seal.
    • Apply ATF to rear oil seal.
    • When installing, do not incline rear oil seal.
    Fig 16: Installing Rear Oil Seal To Rear Case
    G05225400Courtesy of NISSAN MOTOR CO., U.S.A.
  20. Install companion flange while align the matching mark of mainshaft with the mark of companion flange.
    Fig 17: Identifying Matching Mark On End Of Mainshaft
    G05225344Courtesy of NISSAN MOTOR CO., U.S.A.
  21. Tighten self-lock nut to the specified torque, with flange wrench. Refer to "COMPONENTS ".
    CAUTION: Do not reuse self-lock nut.
    Fig 18: Identifying Self-Lock Nut With Flange Wrench
    G05225402Courtesy of NISSAN MOTOR CO., U.S.A.
  22. Install mainshaft oil seal until it is flush with end face of front case, using drift.

    Tool number : ST30720000 (J-25405) 

    CAUTION:
    • Do not reuse mainshaft oil seal.
    • Apply ATF to mainshaft oil seal.
    • When installing, do not incline mainshaft oil seal.
    Fig 19: Installing Mainshaft Oil Seal
    G05225403Courtesy of NISSAN MOTOR CO., U.S.A.
  23. Install front oil seal until it is flush with end face of front case, using drift.

    Tool number : ST27862000 ( - ) 

    CAUTION:
    • Do not reuse front oil seal.
    • Apply ATF to front oil seal.
    • When installing, do not incline front oil seal.
    • Fig 20: Installing Front Oil Seal
      G05225404Courtesy of NISSAN MOTOR CO., U.S.A.
  24. Apply sealant to threads of drain plug. Then install it to rear case and tighten to the specified torque. Refer to "COMPONENTS ".
    CAUTION: Remove old sealant and oil adhering to threads.
  25. Set gasket to filler plug. Install it to rear case and tighten to the specified torque. Refer to "COMPONENTS ".
CAUTION: Do not reuse gasket.