LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2004 >> FX45 >> Repair and Diagnosis >> Transmission >> Transfer Case >> Transfer Assembly >> Disassembly And Assembly >> Assembly >> Front Case And Rear Case
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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: Installing Breather Tub With Plastic Hammer.
    G00725316Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Install rear bearing to rear case, using a drift.
    1. Tool number : KV38104010 ( - ) 
    CAUTION: Apply ATF to inside of rear bearing.
    Fig 2: Installing Rear Bearing To Rear Case
    G00725317Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Install snap ring to rear case.
    CAUTION: Do not reuse snap ring.
    Fig 3: Installing Snap Ring To Rear Case
    G00725318Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Install mainshaft assembly to rear case, using a drift.
    1. Tool number : ST35321000 ( - ) 
    CAUTION: ATF should be applied to contact surface of mainshaft and rear bearing.
  6. Install O-ring to electric controlled coupling connector.
    CAUTION:
    • Do not reuse O-ring. 
    • Apply ATF to O-ring. 
    Fig 4: Installing Mainshaft Assembly To Rear Case
    G00725319Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Install electric controlled coupling connector into rear case.
  8. Install retainer to electric controlled coupling connector.
    Fig 5: Installing Retainer To Electric Controlled Coupling Connector
    G00725320Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Set temperature sensor and tighten bolt to the specified torque. Refer to COMPONENTS .
  10. Hold electric controlled coupling harness with oil cover hold plate, install oil cover to rear case, and tighten bolt to the specified torque. Refer to Components .
    CAUTION: The harness should be guided by a cut portion.
    Fig 6: Set Temperature Sensor & Tighten Bolt To Specified Torque
    G00725321Courtesy of NISSAN MOTOR CO., U.S.A.
  11. Install oil gutter to rear case.
    CAUTION: The tip of oil gutter should be put into rear case groove.
    Fig 7: Installing Oil Gutter To Rear Case
    G00725322Courtesy of NISSAN MOTOR CO., U.S.A.
  12. 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: Installing Drive Chain To Front Drive Shaft
    G00725323Courtesy of NISSAN MOTOR CO., U.S.A.
  13. 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: Installing Drive Chain & Front Drive Shaft
    G00725324Courtesy of NISSAN MOTOR CO., U.S.A.
  14. Install mainshaft bearing to front case, using a drift.
    1. Tool number : ST30621000 (J25742-5) 
      Fig 10: Installing Mainshaft Bearing To Front Case
      G00725325Courtesy of NISSAN MOTOR CO., U.S.A.
  15. Install snap ring to front case.
    CAUTION: Do not reuse snap ring.
    Fig 11: Installing Snap Ring To Front Case
    G00725326Courtesy of NISSAN MOTOR CO., U.S.A.
  16. 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: Applying Liquid Gasket To Mating Surface Of Rear Case
    G00725327Courtesy of NISSAN MOTOR CO., U.S.A.
  17. 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
    G00725328Courtesy of NISSAN MOTOR CO., U.S.A.
  18. Tighten front case and rear case fixing bolts to the specified torque. Refer to COMPONENTS .
    Fig 14: Displaying Bolts Specified Torque
    G00725329Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 15: Tightening Front Case & Rear Case Fixing Bolts
    G00725330Courtesy of NISSAN MOTOR CO., U.S.A.
  19. Install spacer to mainshaft.
    CAUTION: Apply ATF to spacer.
    Fig 16: Installing Spacer To Mainshaft
    G00725331Courtesy of NISSAN MOTOR CO., U.S.A.
  20. Install rear oil seal to rear case, using a drift.
    1. Dimension A : 6.7 - 7.3 mm (0.264 - 0.287 in) 
    2. Tool number A: ST30720000 (J25405) 
    3. B: KV40104830 ( - ) 
    CAUTION:
    • Do not reuse rear oil seal.
    • Apply ATF to rear oil seal.
    • When installing, do not incline rear oil seal.
    Fig 17: Installing Rear Oil Seal To Rear Case
    G00725332Courtesy of NISSAN MOTOR CO., U.S.A.
  21. Install companion flange while align the matchmark of mainshaft with the mark of companion flange.
    Fig 18: Installing Companion Flange While Align The Matchmark Of Mainshaft
    G00725333Courtesy of NISSAN MOTOR CO., U.S.A.
  22. Tighten self-lock nut to the specified torque, with flange wrench. Refer to COMPONENTS .
    CAUTION: Do not reuse self-lock nut.
    Fig 19: Tightening Self-Lock Nut To The Specified Torque
    G00725334Courtesy of NISSAN MOTOR CO., U.S.A.
  23. Install mainshaft oil seal until it is flush with end face of front case, using drift.
    1. Tool number : ST30720000 (J25405) 
    Fig 20: Installing Mainshaft Oil Seal
    G00725335Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION:
    • Do not reuse mainshaft oil seal.
    • Apply ATF to mainshaft oil seal.
    • When installing, do not incline mainshaft oil seal.
  24. Install front oil seal until it is flush with end face of front case, using drift.
    1. Tool number : ST27862000 ( - ) 
    Fig 21: Installing Front Oil Seal
    G00725336Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION:
    • Do not reuse front oil seal.
    • Apply ATF to front oil seal.
    • When installing, do not incline front oil seal.
  25. Apply sealant to threads of drain plug. Then install it to rear case and tighten to the specified torque. See COMPONENTS .
    • Use Genuine Silicone RTV or equivalent.
    CAUTION: Remove old sealant and oil adhering to threads.
  26. Set gasket to filler plug. Install it to rear case and tighten to the specified torque. Refer to COMPONENTS .
    CAUTION: Do not reuse gasket.
scientia non olet · About LEMON Manuals