GM Service Manual Online
For 1990-2009 cars only

    Object Number: 840845  Size: SH
  1. Remove the indicated control valve body bolts (374-381, 384).

  2. Object Number: 840847  Size: SH
  3. Carefully lift the fluid pressure manual valve position switch assembly (395) off of the control valve body (300). Handle the switch assembly carefully, it is very delicate.

  4. Object Number: 768829  Size: SH
  5. Remove the control valve body assembly (300).
  6. Remove the two retainers (368) from the valve body assembly.
  7. Important: The bonded spacer plate gasket assembly is not re-useable and should be replaced any time it is removed from the transmission.

  8. Remove the spacer plate and gasket assembly (396) and discard with the two screen/seal assemblies (382) from the valve body (300).
  9. • Remove the six ball check valves (372, 373) from the valve body (300).
    • Remove the case cover pin (410).

    Object Number: 48229  Size: SH
  10. Remove the four ball check valves (372) from the case cover (400).