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Counter Gear Shaft Assemble

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Special Tools

For equivalent regional tools, refer to Special Tools .

  1. Install the 1st gear spacer (1).
    Fig 1: 1st Gear Synchronizer Ring And 1st Gear Spacer
    GM2308625Courtesy of GENERAL MOTORS COMPANY
    NOTE: Coat the inner parts of the gear, the bearing and the oil seal with gear fluid.
  2. Install the 1st gear bearing (2).
  3. Install the 1st gear (3).
  4. Install the 1st gear synchronizer ring (4).
  5. Install the hub (2) to the 1st-2nd gear synchronizer sleeve (1).
    Fig 2: 1st-2nd Gear Synchronizer Sleeve
    GM2308627Courtesy of GENERAL MOTORS COMPANY
    NOTE: Make sure that the key units is properly seated into the key groove of sleeve and hub.
  6. Install the key units (3) into the key groove of the hub and sleeve.
  7. Install the 1st-2nd gear synchronizer hub assembly (2) into the counter shaft using the DT-49081  gear, bearing installer (1) and a press.
    Fig 3: 1st-2nd Gear Synchronizer Hub Assembly And Special Tool
    GM3970976Courtesy of GENERAL MOTORS COMPANY
    NOTE: Match the key groove of hub to the 1st gear synchronizer ring lug.
  8. Install the 1st-2nd gear synchronizer circlip (2).
    Fig 4: 1st-2nd Gear Synchronizer Circlip
    GM2308380Courtesy of GENERAL MOTORS COMPANY
  9. Install the 2nd synchronizer ring (1).
    NOTE: Match the 2nd synchronizer ring lug to the key groove of hub.
  10. Install the 2nd gear bearing (1).
    Fig 5: 2nd Gear Bearing
    GM2308632Courtesy of GENERAL MOTORS COMPANY
  11. Install the 2nd gear (2).
  12. Insert the 3rd gear and the 3rd-4th gear spacer into the counter shaft.
    Fig 6: 3rd-4th Gear Spacer, 3rd Gear And Special Tool
    GM3970977Courtesy of GENERAL MOTORS COMPANY
  13. Install the 3rd-4th gear spacer (2) and the 3rd gear (3) using the DT-49079  gear, bearing installer (1) and a press.
  14. Install the 4th gear (2) to the counter shaft using the DT-49080  gear, bearing installer (1) and a press.
    Fig 7: 4th Gear And Special Tool
    GM3970978Courtesy of GENERAL MOTORS COMPANY
  15. Install the left side bearing (2) onto the countershaft using the DT-49080  gear, bearing installer (1) and a press.
    Fig 8: Left Side Bearing And Special Tool
    GM3970980Courtesy of GENERAL MOTORS COMPANY
  16. Install the countershaft right side bearing.
    Fig 9: Countershaft Right Side Bearing
    GM2308638Courtesy of GENERAL MOTORS COMPANY
  17. Install the gear unit. Refer to Transmission Assemble .