GM Service Manual Online
For 1990-2009 cars only

    Object Number: 28414  Size: SH
  1. Remove the center support spacer (643).
  2. Important: The thrust washers may be stuck to the output shaft and gear unit assembly or to the bottom of the transmission case.

  3. Remove the selective thrust washer (674) from the transmission case.
  4. Remove the low and reverse band (657).
  5. Inspect the low and reverse band (657) and the selective thrust washer (674) for wear and damage.