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Input Shaft Disassemble

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Special Tools 

J-22912-B  Gear, Bearing Remover

For equivalent regional tools, refer to Special Tools .

  1. Remove the gear unit. Refer to Transmission Disassemble .
    Fig 1: Input Shaft Right Bearing
    GM2308587Courtesy of GENERAL MOTORS COMPANY
  2. Position the bearing to the J-22912-B  gear, bearing remover (2) to the right bearing.
  3. Remove the input shaft right bearing (1) using a press.
  4. Position the 4th gear to the J-22912-B  gear, bearing remover (4).
    Fig 2: 5th Gear Spacer, Left Bearing And 4th Gear
    GM2308588Courtesy of GENERAL MOTORS COMPANY
  5. Remove the 5th gear spacer (1), left bearing (2) and 4th gear (3) with the press.
  6. Remove the 4th gear bearing (1).
    Fig 3: 4th Gear Bearing
    GM2308373Courtesy of GENERAL MOTORS COMPANY
  7. Remove the 4th gear synchronizer ring (2).
  8. Remove the 3rd-4th synchronizer circlip (3).
  9. Position the 3rd gear to the J-22912-B  gear, bearing remover (3).
    Fig 4: 3rd-4th Synchronizer Hub Assembly
    GM2308591Courtesy of GENERAL MOTORS COMPANY
  10. Remove the 3rd-4th synchronizer hub assembly (1) synchronizer ring and 3rd gear (2) with the press.
  11. Push the hub (1) from the 3rd-4th synchronizer hub assembly.
    Fig 5: 3rd-4th Synchronizer Hub Assembly
    GM2308593Courtesy of GENERAL MOTORS COMPANY
  12. Remove the synchronizer sleeve (2) and key unit (3).
  13. Remove the input shaft 3rd gear bearing (1).
    Fig 6: Input Shaft 3rd Gear Bearing
    GM2308377Courtesy of GENERAL MOTORS COMPANY