GM Service Manual Online
For 1990-2009 cars only

    Object Number: 10501  Size: SH
  1. Position the transmission so that the cover of the control valve body is facing upward.
  2. Remove the following parts:
  3. • On transmissions with a cast aluminum cover:
       - 11 flanged bolts (52)
       - 2 stud bolts (58)
       - 4 TORX® bolts (57)
    • On transmissions with a stamped steel cover:
       - 15 flanged bolts (52)
       - 2 stud bolts (58)
       - 6 nuts and washers (50 & 51)
  4. Remove the control valve body cover (53).
  5. Remove the inner (55) and the outer (54) gaskets from the control valve body cover. In some models, remove the seal (59).