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Home >> Ford >> 2018 >> Mustang GT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Manual Transmission - 6-Speed Manual Transmission - Mt82) >> Disassembly And Assembly Of Subassemblies >> Countershaft - 2.3L EcoBoost (231kW/314PS) >> Disassembly

Countershaft - 2.3L EcoBoost (231kW/314PS): Disassembly

WARNING: This page is about a different variant/trim than selected.
NOTE: Hand-tighten the Bearing Puller to prevent gear damage.
NOTE: Support the countershaft while using the hydraulic press to prevent damage to the shaft or gears.
NOTE: Removing the Fifth and Sixth gears may take up to 18, 000 pounds of force. Do not heat the gear.
  1. Using the special tools, bearing separator and a hydraulic press, remove the 5th gear.

    • Inspect the 5th gear for wear or damage. Install a new gear as necessary. Use Special Service Tool: 308-130 (T87T-7025-DH) Installer, Shift Rail Needle Bearing, 205-153 (T80T-4000-W) Handle. Use the General Equipment: Bearing Separator. Use the General Equipment: Hydraulic Press

    GFD288210Courtesy of FORD MOTOR COMPANY
  2. Using the special tool, bearing separator and a hydraulic press, remove the 6th gear.

    • Inspect the 6th gear for wear or damage. Install a new gear as necessary. Use Special Service Tool: 308-130 (T87T-7025-DH) Installer, Shift Rail Needle Bearing. Use the General Equipment: Bearing Separator. Use the General Equipment: Hydraulic Press

    GFD288211Courtesy of FORD MOTOR COMPANY
  3. Remove the 3rd gear.

    • Inspect the 3rd gear for wear or damage. Install a new gear as necessary.

    GFD288212Courtesy of FORD MOTOR COMPANY
  4. Remove the 3rd gear needle bearing.

    • Inspect the 3rd gear needle bearing for wear or damage. Install a new needle bearing as necessary.

    GFD288213Courtesy of FORD MOTOR COMPANY
  5. NOTE: Prior to removing the synchronizer rings, note the position of each synchronizer ring.

    Remove the 3rd gear synchronizer ring assembly.

    • Inspect all synchronizer ring components for wear or damage. Install new components as necessary.

    GFD288214Courtesy of FORD MOTOR COMPANY
  6. Remove the 3rd/4th gear synchronizer assembly snap ring.
    GFD288215Courtesy of FORD MOTOR COMPANY
  7. Using the special tool, the bearing separator and a hydraulic press, remove the 4th gear and the 3rd/4th gear synchronizer assembly. Use Special Service Tool: 308-130 (T87T-7025-DH) Installer, Shift Rail Needle Bearing. Use the General Equipment: Bearing Separator. Use the General Equipment: Hydraulic Press
    GFD288216Courtesy of FORD MOTOR COMPANY
  8. NOTE: Prior to removing the synchronizer rings, note the position of each synchronizer ring.

    Remove the 4th gear from the 4th gear synchronizer ring assembly. Remove the 4th gear synchronizer ring assembly from the 3rd/4th gear synchronizer assembly.

    • Inspect the 4th gear for wear or damage. Install a new gear as necessary.

    • Inspect the 3rd/4th gear synchronizer assembly for wear or damage. Install a new 3rd/4th gear synchronizer assembly as necessary.

    • Inspect the synchronizer ring components for wear or damage. Install new components as necessary.

    GFD288217Courtesy of FORD MOTOR COMPANY
  9. NOTE: When removing the bearing, do not over expand the bearing cage or damage to the bearing cage can occur.

    Remove the 4th gear needle bearing.

    • Inspect the 4th gear needle bearing for wear or damage. Install a new needle bearing as necessary.

    GFD288218Courtesy of FORD MOTOR COMPANY
  10. Inspect the countershaft for scoring or worn or damaged splines. Install a new countershaft as necessary.
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