GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1844265  Size: SH
  1. Remove the 2 spacer plate support bolts (20).
  2. Remove the spacer plate support (21).
  3. Important: The Non-Electronic Range Select Mode 4T40-E/4T45-E has a different spacer plate than the 4T45-E Electronic Range Select Mode transmission.

  4. Remove and discard the spacer plate assembly (90).