GM Service Manual Online
For 1990-2009 cars only

    Object Number: 174760  Size: SH
  1. Remove the adapter case control valve assembly bolts (109).
  2. Remove the control valve assembly (71).
  3. Remove the spacer plate (73) and gasket (72).
  4. Remove the spacer plate to case gasket (104).

  5. Object Number: 174761  Size: SH
  6. Remove the Ball Check Valve (85).