GM Service Manual Online
For 1990-2009 cars only

    Object Number: 15755  Size: SH
  1. Grasp the input shaft and insert the direct and forward clutch assembly (610, 624) into the case.
  2. The forward clutch splines must engage the input internal gear splines.

  3. Object Number: 16455  Size: SH
  4. Place a large screwdriver or other straight edge on the case.
  5. Measure the distance between the top of the direct clutch housing (610) and the case cover flange.
  6. If the measurement is less than 42 mm (1-11/16 in), the clutches are not fully seated in the case.