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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (Transfer Case - BW 4475) >> Repair Instructions - Off Vehicle >> Transfer Case Assemble >> Special Tools

Special Tools

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Equivalent regional tools: Special Tools 

  1. GM5360228Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    DO NOT remove the idler gear bearing race (1) from the case half. The case halves, idler gear, and idler gear bearings and races are not available as separate service parts. If component replacement is required, the transfer case is to be replaced as an assembly.

    Using DT-8092  Driver Handle (4) & J-38412  Bearing Cup Installer (3) - InstallTransfer Case Front Output Shaft Front Bearing (2)

  2. GM5336355Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Machined Surface Damage Caution .

    NOTE:

    Install the seal until flush with the face of the case.

    Using J-47847  Output Seal Installer (2) Install NEW - Transfer Case Front Output Shaft Seal (1)

  3. Using J-42738  Seal Installer (3) Install NEW - Transfer Case Input Shaft Seal (4)
  4. GM5333644Courtesy of GENERAL MOTORS COMPANY

    Transfer Case Input Shaft Bore Plug (1) - Install

  5. Transfer Case Input Shaft Bearing (2) - Install
  6. Transfer Case Input Shaft (3) - Install
  7. GM5333628Courtesy of GENERAL MOTORS COMPANY

    Transfer Case Vent Baffle (1) - Install

    8. CAUTION:

    Refer to Fastener Caution .

  8. Transfer Case Vent Baffle Bolt (2) - Install NEW and tighten - Fastener Specifications 
  9. Transfer Case Front Output Shaft Drive Sprocket Bearing (3) - Install
  10. Transfer Case Input Shaft Washer (4) - Install
  11. GM5333626Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The case halves, idler gear, and idler gear bearings and races are not available as separate service parts. If component replacement is required, the transfer case is to be replaced as an assembly.

    Transfer Case Idler Gear (1) - Install

    12. NOTE:

    The orientation and of the gear and the location of the front output shaft snap ring groove for assembly. The gear is to be installed with the front output shaft snap ring groove facing away from the front case half.

  12. Transfer Case Front Output Shaft Gear (2) - Install
  13. GM5334213Courtesy of GENERAL MOTORS COMPANY

    Transfer Case Front Output Shaft Drive Sprocket Bearing (1) - Install [2x]

  14. Transfer Case Front Output Shaft Drive Sprocket Spacer (2) - Install [2x]
  15. Transfer Case Input Shaft Gear (3) - Install
  16. GM5333609Courtesy of GENERAL MOTORS COMPANY

    Transfer Case Front Output Shaft Driven Sprocket SpacerTransfer Case Front Output Shaft Drive Sprocket Bearing (1) - Install

  17. Transfer Case High/Low Clutch (2) - Install
    1. If the clutch pack assembly is replaced, reprogramming of the transfer case module is required. Transfer Case Front Drive Axle Viscous Clutch Assemble 
      1. K69 Transfer Case Control Module: Programming and Setup
  18. Transfer Case Armature (3) - Install
  19. Transfer Case Two/Four Wheel Drive Clutch Retaining Ring (4) - Install NEW
  20. GM5333605Courtesy of GENERAL MOTORS COMPANY

    Transfer Case Four Wheel Drive Clutch Pressure Plate Spring (1) - Install

  21. Transfer Case Scissor Mechanism Lever (2) - Install
  22. Transfer Case Scissor Lever Ball (3) - Install [3x]
  23. Cam (4) - Install
  24. GM5333602Courtesy of GENERAL MOTORS COMPANY

    Transfer Case Two/Four Wheel Drive Clutch Coil Housing (1) - Install

  25. Transfer Case Four Wheel Drive Clutch Housing Bearing (2) - Install
  26. Transfer Case Four Wheel Drive Clutch Shim (3) - Install
  27. Transfer Case Rear Output Shaft Rear Bearing Retaining Ring (4) - Install NEW
  28. GM5333537Courtesy of GENERAL MOTORS COMPANY

    Transfer Case Front Output Shaft Oil Slinger (1) - Install NEW

  29. Transfer Case Output Shaft (2) - Install
  30. Transfer Case Output Shaft Ring (3) - Install NEW
  31. GM5360227Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    DO NOT remove the idler gear bearing race from the case half. The case halves, idler gear, and idler gear bearings and races are not available as separate service parts. If component replacement is required, the transfer case is to be replaced as an assembly.

    Using J-33142  Bearing and Seal Installer (2) & DT-8092  Driver Handle (3) Install - Transfer Case Rear Output Shaft Rear Bearing (1)

  32. Using J-45853  Rear Axle Bearing / Seal Installer (4) Install - Transfer Case Front Output Shaft Rear Bearing (5)
  33. GM5333572Courtesy of GENERAL MOTORS COMPANY

    Transfer Case Oil Pump Shaft (1) - Install

  34. Transfer Case Oil Pump (2) - Install
  35. Inlet Pump Port (3) - Install
  36. Transfer Case Oil Pump Retaining Ring (4) - Install NEW
  37. GM5333567Courtesy of GENERAL MOTORS COMPANY

    Transfer Case Oil Pump Screen (1) - Install

  38. Transfer Case Separator Plate (2) - Install
  39. Transfer Case Oil Separator Bolt (3) - Install NEW and tighten [4x] - Fastener Specifications 
  40. Transfer Case Half Locating Pin (4) - Install [2x]
    GM5333565Courtesy of GENERAL MOTORS COMPANY
    • The clutch coil stud O-ring seals are not serviceable separately. If seal damage is present, replace the clutch coil assembly.
    • Carefully slide the wires through the holes in the case to avoid damage to the wire coating.
  41. Transfer Case Two/Four Wheel Drive Clutch Coil (2) - Install
  42. Transfer Case Two/Four Wheel Drive Clutch Coil Nut (3) - Install NEW and tighten - Fastener Specifications 
  43. GM5333564Courtesy of GENERAL MOTORS COMPANY

    Slide the conduit (1) over the synchronizer coil wires to install.

  44. Insert the wires into the connector (2) and install the connector assembly.
    45. NOTE:

    Install a new pump plug as required.

  45. Transfer Case Access Hole Plug (3) - Install [2x]
  46. GM5333551Courtesy of GENERAL MOTORS COMPANY

    Ensure both sealing surfaces of the front and rear case halves are free of dirt, oil and cleaning solvent.

    47. CAUTION:

    Apply the proper amount of the sealant when assembling this component. Excessive use of the sealant can prohibit the component from sealing properly. A component that is not sealed properly can leak leading to extensive engine damage.

  47. Apply a 3 - 4 mm (0.12 - 0.16 in) bead of sealant to the sealing service of the front case half. Adhesives, Fluids, Lubricants, and Sealers 
  48. Transfer Case Front Case Half (1) - Install
  49. Transfer Case Rear Case Half (2) - Install
  50. Transfer Case Half Bolt (3) - Install NEW and tighten [15x] - Fastener Specifications 
  51. GM5333545Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    If vent removal is required, install a NEW vent during assembly.

    Transfer Case Vent (1) - Install NEW

  52. Apply threadlock to the stud threads before installation. Apply threadlock only to the threads on the end of the stud that will be installed into the transfer case front half. Adhesives, Fluids, Lubricants, and Sealers 
  53. Install DT - 49308  Stud Remover and Installer onto the stud (2).
  54. Rotate the bolt until it contacts the top of the transfer case stud (2).
  55. Install a deep socket over both the head of the bolt and the long nut and tighten the transfer case stud. Fastener Specifications .
  56. Loosen the long nut and remove the tool from the stud (2).
  57. Inspect the stud (2) for the proper installation height. A properly installed stud (2) should protrude from the face of the case 30.3 - 31.1 mm (1.19 - 1.23 in).
    58. NOTE:

    Install 2 NEW transfer case front output shaft boot clamps.

  58. Transfer Case Front Output Shaft Boot (3) - Install
  59. GM5360225Courtesy of GENERAL MOTORS COMPANY

    Transfer Case Rear Output Shaft Seal (2) - Install NEW - use DT-49861-A  Seal Installer (1)

  60. Transfer Case Rear Output Shaft Oil Slinger (4) - Install NEW - use J-44907  Bearing Installer (3)
  61. GM5333528Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The seal is not a separate service part. If seal damage is present, replace the plug and seal as an assembly.

  62. Transfer Case Oil Fill Plug (2) - Install NEW and tighten - Fastener Specifications 
  63. Apply sealant to the threads of the drain plug. Adhesives, Fluids, Lubricants, and Sealers 
  64. Transfer Case Oil Drain Plug (3) - Install NEW and tighten - Fastener Specifications 
  65. Transfer Case Fluid Temperature Sensor (4) - Install and tighten - Fastener Specifications 
  66. GM5333521Courtesy of GENERAL MOTORS COMPANY
  67. Remove transfer case and J - 36842  Transaxle Holding Fixture (1) from the DT-3289 - 20  Holding Fixture (2).
  68. J - 36842  Transaxle Holding Fixture (1) - Remove @ Transfer Case (3)
  69. Remove the M10 x 1.5 mm nuts and bolts that retain the assembly to the fixture.
  70. GM5333519Courtesy of GENERAL MOTORS COMPANY

    Transfer Case Vibration Dampener - { If equipped } (1) - Install

  71. Transfer Case Vibration Dampener Bolt - { If equipped } (2) - Install NEW and tighten - Fastener Specifications 
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