GM Service Manual Online
For 1990-2009 cars only

Tools Required

SA9119T Input Shaft Holding Tool


    Object Number: 864232  Size: SH
  1. Remove the input shaft bearing form the case. Refer to Transmission Case Disassemble .
  2. Install the case bearing on the shaft.
  3. Install the 1st drive gear to the case bearing thrust washer.
  4. Install the first gear into the 1st gear clutch assembly. Twist the gear to align the clutch tangs.
  5. Install the 1st clutch assembly previously assembled.
  6. Important: To aid in holding the input shaft, use the SA9119T in a vise.

  7. Use the old nut and tighten.
  8. Tighten
    Tighten the input shaft clamp nut to 150 N·m (111 lb ft).


    Object Number: 864237  Size: SH
  9. Use the feeler gage to measure the clearance between the 1st drive gear and the input shaft bearing.
  10. Clearance
    Standard 0.075-0.425 mm (0.003-0.017 in)


    Object Number: 864241  Size: SH
  11. Measure the clearance between the 2nd/Reverse drive gear and the 2nd/Reverse thrust bearing.
  12. Clearance
    Standard 0.032-0.144 mm (0.001-0.006 in)


    Object Number: 864342  Size: SH
  13. Measure the clearance between the 4th drive gear and the 3/4 drive gear thrust bearing.
  14. Clearance
    Standard 0.057-0.219 mm (0.002-0.009 in)


    Object Number: 864232  Size: SH
  15. Remove the input shaft clamp nut, 1st clutch assembly, thrust washer and input shaft ball bearing.