GM Service Manual Online
For 1990-2009 cars only

    Object Number: 11946  Size: SH
  1. Inspect the reaction shell (633) for damage or wear.
  2. Install the reaction shell (633) into the forward clutch housing, with the small teeth facing down.
  3. Note: Following installation, the reaction carrier teeth must seat in the reaction shell.

  4. Install the third clutch housing and reaction carrier assembly (604/623) into the case. Twist the housing to install and to insure proper seating.