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Home >> Infiniti >> 2005 >> QX56 AWD >> Repair and Diagnosis >> Transmission >> Transfer Case >> Transfer Assembly >> Disassembly and Assembly >> Disassembly >> Front Case

Front Case

  1. Remove the rear case assembly. Refer to "REAR CASE ".
  2. Remove the transfer control device. Refer to "REMOVAL AND INSTALLATION ".
  3. Remove the lock pin nut.
  4. Remove the lock pin, using suitable tool.
  5. Remove the shift lever.
    Fig 1: Removing Lock Pin Using Suitable Tool
    G02383199Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Remove the oil seal from the front case, using suitable tool.
    CAUTION: Do not damage front case or shift cross.
    Fig 2: Removing Oil Seal From Front Case Using Suitable Tool
    G02383200Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Remove the check plug, check spring and check ball.
  8. Remove the wait detection switch.
    Fig 3: Removing Check Plug, Check Spring, Check Ball And Wait Detection Switch
    G02383201Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Remove the self-lock nut from the companion flange, using Tool.
    1. Tool number: KV40104000( - ) 
    Fig 4: Removing Self-Lock Nut From Companion Flange Using Tool (KV40104000)
    G02383202Courtesy of NISSAN MOTOR CO., U.S.A.
  10. 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: Identifying Front Drive Shaft Matching Mark
    G02383203Courtesy of NISSAN MOTOR CO., U.S.A.
  11. Remove the companion flange, using suitable tool.
    Fig 6: Removing Companion Flange Using Suitable Tool
    G02383204Courtesy of NISSAN MOTOR CO., U.S.A.
  12. Remove the center case bolts and harness bracket.
  13. Remove the filler plug and gasket.
    Fig 7: Identifying Center Case Bolts And Harness Bracket
    G02383205Courtesy of NISSAN MOTOR CO., U.S.A.
  14. Separate the center case from the front case. Then remove the center case from the front case by prying it up, using suitable tool.
    CAUTION: Do not damage the mating surfaces.
    Fig 8: Removing Center Case From Front Case, By Prying It Up Using Suitable Tool
    G02383206Courtesy of NISSAN MOTOR CO., U.S.A.
  15. Remove the shift rod components together with the 2-4 sleeve and L-H sleeve.
  16. Remove the shift cross from the front case.
    Fig 9: Identifying Shift Rod
    G02383207Courtesy of NISSAN MOTOR CO., U.S.A.
  17. Remove the 2-4 sleeve and L-H sleeve from the 2-4 fork and L-H fork respectively.
    Fig 10: Removing 2-4 Sleeve And L-H Sleeve From The 2-4 Fork And L-H Fork
    G02383208Courtesy of NISSAN MOTOR CO., U.S.A.
  18. Drive out the retaining pin from the shift rod, using suitable tool.
    Fig 11: Driving Out Retaining Pin From Shift Rod Using Suitable Tool
    G02383209Courtesy of NISSAN MOTOR CO., U.S.A.
  19. Remove the L-H fork, 2-4 fork, shift fork spring and fork guide from the shift rod.
    Fig 12: Removing The L-H Fork, 2-4 Fork, Shift Fork Spring And Fork Guide From Shift Rod
    G02383210Courtesy of NISSAN MOTOR CO., U.S.A.
  20. Remove the oil seal from the front case, using suitable tool.
    CAUTION: Do not damage front case or sun gear.
    Fig 13: Removing Oil Seal From Front Case Using Suitable Tool
    G02383211Courtesy of NISSAN MOTOR CO., U.S.A.
  21. Remove the snap ring from the sun gear.
    CAUTION: Do not damage front case or sun gear.
    Fig 14: Identifying Snap Ring
    G02383212Courtesy of NISSAN MOTOR CO., U.S.A.
  22. Remove the sun gear assembly and planetary carrier assembly from the front case, using Tool.
    1. Tool number: ST35300000 ( - ) 
    Fig 15: Removing Sun Gear Assembly And Planetary Carrier Assembly From Front Case, Using Tool (ST35300000)
    G02383213Courtesy of NISSAN MOTOR CO., U.S.A.
  23. Remove the snap ring and internal gear, using suitable tool.
    Fig 16: Removing Snap Ring And Internal Gear Using Suitable Tool
    G02383214Courtesy of NISSAN MOTOR CO., U.S.A.
  24. Remove the oil seal, using suitable tool.
    CAUTION: Do not damage front case.
    Fig 17: Removing Oil Seal Using Suitable Tool
    G02383215Courtesy of NISSAN MOTOR CO., U.S.A.
  25. Remove the snap ring from the front case.
    Fig 18: Identifying Snap Ring
    G02383216Courtesy of NISSAN MOTOR CO., U.S.A.
  26. Remove the mainshaft front bearing from the front case, using Tool.
    1. Tool number: ST33200000 (J-26082) 
    Fig 19: Removing Mainshaft Front Bearing From Front Case Using Tool (ST33200000)
    G02383217Courtesy of NISSAN MOTOR CO., U.S.A.
  27. Remove the snap ring from the planetary carrier assembly, using suitable tool.
    Fig 20: Removing Snap Ring From Planetary Carrier Assembly Using Suitable Tool
    G02383218Courtesy of NISSAN MOTOR CO., U.S.A.
  28. Remove the sun gear assembly from the planetary carrier assembly.
    Fig 21: Removing Sun Gear Assembly From Planetary Carrier Assembly
    G02383219Courtesy of NISSAN MOTOR CO., U.S.A.
  29. Remove the snap ring from the sun gear, using suitable tool.
    Fig 22: Removing Snap Ring From Sun Gear Using Suitable Tool
    G02383220Courtesy of NISSAN MOTOR CO., U.S.A.
  30. Remove the carrier bearing from the sun gear, using Tools.
    1. Tool number A: ST35300000 ( - ) 
      1. B:ST30031000( - ) 
    Fig 23: Removing Carrier Bearing From Sun Gear Using Specified Tools
    G02383221Courtesy of NISSAN MOTOR CO., U.S.A.
  31. Remove the needle bearing from the sun gear, using Tool.
    1. Tool number: ST33710000( - ) 
    Fig 24: Removing Needle Bearing From Sun Gear Using Tool (ST33710000)
    G02383222Courtesy of NISSAN MOTOR CO., U.S.A.
  32. Remove the metal bushing from the sun gear, using Tools.
    1. Tool number A: ST33710000 ( - ) 
      1. B: ST35325000 ( - ) 
      2. C: ST33290001 (J-34286) 
    Fig 25: Removing Metal Bushing From Sun Gear Using Specified Tools
    G02383223Courtesy of NISSAN MOTOR CO., U.S.A.
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