GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1203379  Size: SH

    Important: Do not misplace the following components when removing the control valve body assembly (250):

       • Oil cooler check ball (228)
       • Oil cooler return spring (227)
       • Torque converter check valve (225)
       • Torque converter check valve return spring (226)
       • Lubrication control valve (245)

  1. Remove the 10 control valve body bolts.
  2. • 2 control valve body bolts (221)
    • 2 control valve body bolts (222)
    • 3 control valve body bolts (223)
    • 3 control valve body bolts (224)

    Object Number: 1206227  Size: SH
  3. Remove the torque converter check valve (225).
  4. Remove the torque converter check valve spring (226).
  5. Remove the oil cooler check ball return spring (227).
  6. Remove the oil cooler check ball (228)
  7. Remove the 4th clutch apply fluid pipe (214).
  8. Remove the lubrication control valve (245)

  9. Object Number: 1210261  Size: SH
  10. Lift straight up on the control valve body assembly (250) from the torque converter housing assembly (150).
  11. Remove the fluid pump driven gear pin (233).
  12. Remove the fluid pump driven gear (232).
  13. Remove the fluid pump drive gear (234).

  14. Object Number: 1363288  Size: SH
  15. Remove the 2 control valve body spacer plate locating pins (243).
  16. Remove the control valve body spacer plate (244).