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Input Shaft Assemble

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Special Tools

For equivalent regional tools, refer to Special Tools .

  1. Install the 3rd gear bearing (2).
    Fig 1: 3rd Gear Bearing
    GM2308598Courtesy of GENERAL MOTORS COMPANY
    NOTE: Coat all of the inner parts the gear, the bearing and the oil seal with gear fluid.
  2. Install the 3rd gear and synchronizer ring (1).
  3. Install the 3rd-4th synchronizer hub (2) to the sleeve (1).
    Fig 2: 3rd-4th Synchronizer Hub
    GM2308601Courtesy of GENERAL MOTORS COMPANY
  4. Install the key units (3) into the key groove of the hub and sleeve.
    NOTE: Make sure that the key units is properly seated into the key groove of sleeve and hub.
  5. Insert the 3rd-4th hub assembly (2) into the input shaft.
    Fig 3: 3rd-4th Hub Assembly And Special Tool
    GM3970984Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • Position the longer flange of hub toward the third gear and match the key groove of hub to the synchronizer ring lug.
    • When installing gear, bearing and hub assembly, install them slowly using the DT-46496  gear, bearing installer (1) and a press. If overpressed, the gear teeth may be damaged.
  6. Install the 3rd-4th hub assembly using the DT-46496  gear, bearing installer (1) and a press.
  7. Install the 3rd-4th synchronizer circlip (2).
    Fig 4: 3rd-4th Synchronizer Circlip
    GM2308378Courtesy of GENERAL MOTORS COMPANY
  8. Install the 4th synchronizer ring (1).
    NOTE: Match the synchronizer ring lug to the key groove of hub.
  9. Install the input shaft 4th gear bearing (2) and 4th gear (1).
    Fig 5: Input Shaft 4th Gear Bearing And 4th Gear
    GM2308608Courtesy of GENERAL MOTORS COMPANY
  10. Install the input shaft left side bearing (1) using the DT-49080  gear, bearing installer (3) and a press.
    Fig 6: Input Shaft Left Side Bearing, 5th Gear Spacer And Special Tool
    GM2493588Courtesy of GENERAL MOTORS COMPANY
  11. Install the 5th gear spacer (2) using the DT-49080  gear, bearing installer (3) and a press.
  12. Install the input shaft right bearing (2) to the input shaft using the DT-49080  gear, bearing installer (1) and a press.
    Fig 7: Input Shaft Right Bearing And Special Tool
    GM3970974Courtesy of GENERAL MOTORS COMPANY
  13. Install the gear unit. Refer to Transmission Assemble .