GM Service Manual Online
For 1990-2009 cars only

    Object Number: 20303  Size: SH
  1. Assemble a new Intermediate/Fourth band (100) into the transmission case (51).

  2. Object Number: 20304  Size: SH
  3. In order to verify the proper positioning of the band, insert a screwdriver through the Intermediate/Fourth servo bore. The screwdriver should press on the servo pin rest and compress the band around the reverse clutch housing.