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Home >> Infiniti >> 2006 >> QX56 AWD >> Repair and Diagnosis >> Transmission >> Transfer Case >> Transfer Assembly >> Disassembly and Assembly >> Disassembly >> Front Case
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Front Case

  1. Remove the rear case assembly. Refer to "REAR CASE ".
  2. Remove the lock pin nut.
  3. Remove the lock pin using suitable tool.
  4. Remove the shift lever.
    Fig 1: Removing Lock Pin Using Suitable Tool
    G04134108Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Remove the side oil seal from the front case using suitable tool.
    CAUTION: Do not damage front case or shift cross.
    Fig 2: Identifying Side Oil Seal
    G04134109Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Remove the check plug, check spring and check ball.
  7. Remove the wait detection switch.

    For GI, go to GENERAL INFORMATION .

    Fig 3: Identifying Check Plug, Check Spring And Check Ball
    G04134110Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Remove the self-lock nut from the companion flange using Tool.

    Tool number : KV40104000 ( - ) 

    Fig 4: Identifying Self-Lock Nut From Companion Flange Using Tool
    G04134111Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Put a matching mark on top of the front drive shaft thread in line with the mark on the companion flange.
    CAUTION: Use paint to make the matching mark on the front drive shaft thread. Never damage the front drive shaft.
    Fig 5: Putting Matching Mark On Top Of Front Drive Shaft Thread In Line
    G04134112Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Remove the companion flange using suitable tool.
    Fig 6: Identifying Companion Flange Using Suitable Tool
    G04134113Courtesy of NISSAN MOTOR CO., U.S.A.
  11. Remove the center case bolts, harness bracket and air breather hose clamp.
  12. Remove the filler plug and gasket.
    Fig 7: Identifying Center Case Bolts, Harness Bracket And Air Breather Hose Clamp
    G04134114Courtesy of NISSAN MOTOR CO., U.S.A.
  13. Separate the center case from the front case. Then remove the center case from the front case by prying it up using suitable tools.
    CAUTION: Do not damage the mating surfaces.
    Fig 8: Removing Center Case From Front Case
    G04134115Courtesy of NISSAN MOTOR CO., U.S.A.
  14. Remove the shift rod components together with the 2-4 sleeve and L-H sleeve.
  15. Remove the shift cross from the front case.
    Fig 9: Removing Shift Rod Components
    G04134116Courtesy of NISSAN MOTOR CO., U.S.A.
  16. Remove the 2-4 sleeve and L-H sleeve from the 2-4 fork and LH fork respectively.
    Fig 10: Identifying 2-4 Sleeve And L-H Sleeve From 2-4 Fork And LH Fork Respectively
    G04134117Courtesy of NISSAN MOTOR CO., U.S.A.
  17. Drive out the retaining pin from the shift rod using suitable tool.
    Fig 11: Driving Out Retaining Pin From Shift Rod
    G04134118Courtesy of NISSAN MOTOR CO., U.S.A.
  18. Remove the L-H fork, 2-4 fork, shift fork spring and fork guide from the shift rod.
    Fig 12: Identifying L-H Fork, 2-4 Fork, Shift Fork Spring And Fork Guide
    G04134119Courtesy of NISSAN MOTOR CO., U.S.A.
  19. Remove the input oil seal from the front case using suitable tool.
    CAUTION: Do not damage front case or sun gear.
    Fig 13: Identifying Input Oil Seal
    G04134120Courtesy of NISSAN MOTOR CO., U.S.A.
  20. Remove the snap ring from the sun gear.
    CAUTION: Do not damage front case or sun gear.
    Fig 14: Identifying Snap Ring From Sun Gear
    G04134121Courtesy of NISSAN MOTOR CO., U.S.A.
  21. Remove the sun gear assembly and planetary carrier assembly from the front case using Tool.

    Tool number : ST35300000 ( - ) 

    Fig 15: Identifying Sun Gear Assembly And Planetary Carrier Assembly
    G04134122Courtesy of NISSAN MOTOR CO., U.S.A.
  22. Remove the snap ring and internal gear using suitable tool.
    Fig 16: Removing Snap Ring And Internal Gear Using Suitable Tool
    G04134123Courtesy of NISSAN MOTOR CO., U.S.A.
  23. Remove the front oil seal using suitable tool.
    CAUTION: Do not damage front case.
    Fig 17: Removing Front Oil Seal Using Suitable Tool
    G04134124Courtesy of NISSAN MOTOR CO., U.S.A.
  24. Remove the snap ring from the front case.
    Fig 18: Identifying Snap Ring From Front Case
    G04134125Courtesy of NISSAN MOTOR CO., U.S.A.
  25. Remove the input front bearing from the front case using Tool.

    Tool number : ST33200000 (J-26082) 

    Fig 19: Removing Input Front Bearing From Front Case Using Tool
    G04134126Courtesy of NISSAN MOTOR CO., U.S.A.
  26. Remove the snap ring from the planetary carrier assembly using suitable tool.
    Fig 20: Removing Snap Ring
    G04134127Courtesy of NISSAN MOTOR CO., U.S.A.
  27. Remove the sun gear assembly from the planetary carrier assembly.
    Fig 21: Removing Sun Gear Assembly
    G04134128Courtesy of NISSAN MOTOR CO., U.S.A.
  28. Remove the snap ring from the sun gear assembly using suitable tool.
    Fig 22: Identifying Snap Ring
    G04134129Courtesy of NISSAN MOTOR CO., U.S.A.
  29. Remove the carrier bearing from the sun gear using Tools.

    Tool number A: ST35300000 ( - ) 

    B: ST30031000 ( - ) 

    Fig 23: Identifying Carrier Bearing From Sun Gear Using Tools
    G04134130Courtesy of NISSAN MOTOR CO., U.S.A.
  30. Remove the needle bearing from the sun gear using Tool.

    Tool number : ST33710000 ( - ) 

    Fig 24: Identifying Needle Bearing From Sun Gear Using Tool
    G04134131Courtesy of NISSAN MOTOR CO., U.S.A.
  31. Remove the metal bushing from the sun gear using Tools.

    Tool number A: ST33710000 ( - ) 

    B: ST35325000 ( - ) 

    C: KV381054S0 (J-34286) 

    Fig 25: Identifying Metal Bushing From Sun Gear Using Tools
    G04134132Courtesy of NISSAN MOTOR CO., U.S.A.
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