FixVault

1-Speed Transfer Case - Front View: Disassembly

    NOTE: Seal all openings before cleaning the transfer case exterior. This will prevent entry of dirt and water, which may cause damage to internal components.
  1. Clean the transfer case exterior with solvent and dry with compressed air.
  2. Using the Transmission Holding Fixture, secure the transfer case to a work bench. Rotate the transfer case so that the output shaft is pointing upward.
    Fig 1: Rotating Transfer Case Output Shaft Pointing Upward
    G07953798Courtesy of FORD MOTOR CO.
  3. Remove and discard the rear output shaft seal.
    Fig 2: Removing Rear Output Shaft Seal
    G06128117Courtesy of FORD MOTOR CO.
  4. Remove the inner connector retainer. Press the release tab and remove the coil wire pin (blue wire).
    Fig 3: Locating Inner Connector Retainer
    G06128118Courtesy of FORD MOTOR CO.
  5. Remove the 2 connector bracket bolts and the connector bracket.
    Fig 4: Locating Connector Bracket Bolts
    G06128119Courtesy of FORD MOTOR CO.
  6. Remove the 3 coil nuts and washers.
    Fig 5: Locating Coil Nuts And Washers
    G06128120Courtesy of FORD MOTOR CO.
  7. NOTE: It is normal to find metal shavings after removing the self-tapping transfer case bolts.
    Fig 6: Locating Transfer Case Bolt
    G06128056Courtesy of FORD MOTOR CO.
  8. Remove the 20 transfer case bolts.
  9. Using the pry bosses, separate the transfer case halves.
    Fig 7: Separating Transfer Case Halves
    G06128057Courtesy of FORD MOTOR CO.
  10. Using the Bearing Cup Remover with the Slide Hammer, remove the rear output shaft support bearing.
    • Inspect the bearing for wear or damage. Install a new bearing as necessary.
      Fig 8: Removing Rear Output Shaft Support Bearing
      G06128123Courtesy of FORD MOTOR CO.
  11. Using the Bearing Cup Remover with the Slide Hammer, remove the front output shaft rear bearing.
    • Inspect the bearing for wear or damage. Install a new bearing as necessary.
      Fig 9: Removing Front Output Shaft Rear Bearing
      G06128124Courtesy of FORD MOTOR CO.
  12. Remove the snap ring.
    • Inspect the snap ring for wear or damage. Install a new snap ring as necessary.
      Fig 10: Locating Snap Ring
      G06128125Courtesy of FORD MOTOR CO.
  13. Remove the spacer.
    Fig 11: Locating Spacer
    G06457323Courtesy of FORD MOTOR CO.
  14. Remove the caged thrust bearing assembly.
    • Inspect the bearing for wear or damage. Install a new bearing as necessary.
      Fig 12: Locating Caged Thrust Bearing Assembly
      G06128127Courtesy of FORD MOTOR CO.
  15. Remove the cam/coil housing.
    Fig 13: Locating Cam/Coil Housing
    G06128128Courtesy of FORD MOTOR CO.
  16. Remove the 3 steel balls and the cam.
    Fig 14: Locating Steel Balls And Cam
    G06128129Courtesy of FORD MOTOR CO.
  17. Remove the wave spring.
    Fig 15: Locating Wave Spring
    G06128130Courtesy of FORD MOTOR CO.
  18. Remove and discard the snap ring.
    Fig 16: Locating Snap Ring
    G06128131Courtesy of FORD MOTOR CO.
  19. NOTE: When removing the clutch pack assembly, do not separate the clutch pack assembly. Keep tension on the clutch pack during removal. Set the clutch pack assembly on the bench in the same position as located in the transfer case. The thrust washer in the lower clutch pack uses tabs to hold it in place. If the thrust washer is not in place, a transfer case clearance problem will occur.
    NOTE: If the clutch pack is disassembled, a new clutch pack must be installed and the armature transferred. Failure to install a new clutch pack can result in component failure.
    Fig 17: Locating Clutch Pack Assembly
    G06128132Courtesy of FORD MOTOR CO.
  20. Remove the clutch pack assembly with the armature.
  21. Remove the drive chain and the sprockets as an assembly.
    • Inspect the drive chain for wear or damage. Inspect the sprockets for broken or cracked teeth. Install new components as necessary.
      Fig 18: Locating Drive Chain And Sprockets Assembly
      G06128133Courtesy of FORD MOTOR CO.
  22. Remove the thrust bearing assembly.
    1. Remove the thrust washer.
      • The upper thrust washer may be attached to the sprocket.
    2. Remove the thrust bearing.
    3. Remove the thrust washer.
      • Inspect the washers and bearing for wear or damage. Install new components as necessary.
        Fig 19: Identifying Thrust Bearing Assembly
        G06128134Courtesy of FORD MOTOR CO.
  23. Remove and clean the oil pan magnet.
    Fig 20: Locating Oil Pan Magnet
    G06128135Courtesy of FORD MOTOR CO.
  24. Remove the oil pump assembly.
    Fig 21: Locating Oil Pump Assembly
    G06128135Courtesy of FORD MOTOR CO.
  25. Remove the output shaft.
    Fig 22: Locating Output Shaft
    G06128137Courtesy of FORD MOTOR CO.
  26. Remove the input shaft.
    Fig 23: Locating Input Shaft
    G06128138Courtesy of FORD MOTOR CO.
  27. Remove the driven sprocket spacer.
    Fig 24: Locating Driven Sprocket Spacer
    G07953768Courtesy of FORD MOTOR CO.
  28. NOTE: Do not let the front output shaft fall when removing the snap ring.
  29. Remove the snap ring and the front output shaft.
    • Inspect the snap ring for wear or damage. Install a new snap ring as necessary.
      Fig 25: Locating Snap Ring And Front Output Shaft
      G06128139Courtesy of FORD MOTOR CO.
  30. NOTE: Carefully remove the seal, do not damage the seal bore.
    Fig 26: Locating Front Output Shaft Oil Seal
    G06128140Courtesy of FORD MOTOR CO.
  31. Remove and discard the front output shaft oil seal.
  32. NOTE: Carefully remove the seal, do not damage the seal bore.
    Fig 27: Locating Front Input Shaft Seal
    G06128141Courtesy of FORD MOTOR CO.
  33. Remove and discard the front input shaft seal.
  34. Remove the front input shaft bearing.
    Fig 28: Removing Front Input Shaft Bearing
    G06128142Courtesy of FORD MOTOR CO.
  35. Remove the front output shaft support bearing.
    • Inspect the bearing for wear or damage. Install a new bearing as necessary.
      Fig 29: Removing Front Output Shaft Support Bearing
      G06128143Courtesy of FORD MOTOR CO.