GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Optra 🢒 Transmission 🢒 Automatic Transmission - Aisin 55-51LE 🢒 Control Valve Body Assembly Assemble

    Object Number: 749784 Size: SH

    Note: Align each bolt hole in the valve body with the holes in the spacer plate and gasket assembly.

  1. Install the new spacer plate and gasket assembly (324) onto the rear control valve body assembly (326).

    2. Object Number: 749790 Size: SH

    Note: Align each bolt hole in the valve body with the holes in the spacer plate and gasket assembly.

  2. Install the rear control valve body assembly (326) onto the middle control valve body assembly (323).

    3. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 766671 Size: SH
  3. Install 2 - M5 x 0.8 x 35 mm rear control valve body bolts (335).
  4. Install 1 - M5 x 0.8 x 40 mm rear control valve body bolt (333).

    5. Object Number: 749781 Size: SH
  5. Hand tighten the 3 rear control valve body assembly bolts (333, 335).

    6. Object Number: 749768 Size: SH

    Note: Align each bolt hole on the valve body with the holes in the gaskets and plates.

  6. Install the spacer plate (328) and the 2 new gaskets (327, 329) onto the No. 2 rear control valve body assembly (330).

    7. Object Number: 749791 Size: SH

    Note: Align each bolt hole on the valve body with the holes in the gaskets and plates.

  7. Install the No. 2 rear control valve body assembly (330) onto the rear control valve body assembly (326).

    8. Object Number: 766670 Size: SH
  8. Install 1 - M5 x 0.8 x 76 mm control valve body bolt (331) into the No. 2 rear control valve body assembly.
  9. Install 4 - M5 x 0.8 x 49.5 mm control valve body bolts (332) into the No. 2 rear control valve body assembly.

    10. Object Number: 749766 Size: SH
  10. Hand tighten the 5 control valve body assembly bolts (331, 332).

    11. Object Number: 749764 Size: SH
  11. Turn the valve body assembly over.

    12. Object Number: 749763 Size: SH
  12. Install the M5 x 0.8 x 50 mm control valve body bolt (304) and hand tighten.

    13. Object Number: 749761 Size: SH
  13. Install the 3 fluid strainers (371), 1 fluid strainer (372), and the 2 accumulator check valve assemblies (353) into the middle control valve body assembly.

    14. Object Number: 767263 Size: SH
  14. Install the gasket (320) to the front control valve body assembly (315).
  15. Install the front control valve body spacer plate (321).
  16. Install the gasket (322).

    17. Object Number: 767262 Size: SH

    Note: Align each bolt hole in the valve body with the holes in the gaskets and spacer plate.

  17. Install the spacer plate and gaskets on to the front control valve body assembly (315).

    18. Note: Align each bolt hole in the valve body with the holes in the gaskets and spacer plate.

  18. Install the front control valve body assembly (315) onto the middle control valve body assembly (323).

    19. Object Number: 766667 Size: SH
  19. Install 1 - M5 x 0.8 x 50 mm control valve body bolt (304) into the front control valve body assembly and hand tighten.
  20. Install 4 or 5- M5 x 0.8 x 20 mm control valve body bolts (313) into the front control valve body assembly and hand tighten.
  21. Install 2 - M5 x 0.8 x 16 mm control valve body bolts (314) into the front control valve body assembly and hand tighten.

    22. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 785207 Size: SH
  22. Install all 16 control valve body assembly bolts, evenly and gradually and tighten to 7 N·m (62 lb in).

    23. Object Number: 798651 Size: SH

    Note: 

       • Use NEW O-ring seals.
       • Do not damage the O-ring seals.

  23. Replace the O-ring seals (306) on each of the 5 shift solenoid valves (300, 303, 305, 308, 310).
  24. Install the 5 shift solenoid valves (300, 303, 305, 308, 310).
  25. Install the 5 shift solenoid valve retaining bolts.
    26. • 1 - (301) - M5 x 0.8 x 62 mm
    • 2 - (302) - M5 x 0.8 x 28 mm
    • 2 - (307) - M5 x 0.8 x 10 mm
  26. Install the 5 shift solenoid valve retaining bolts (301, 302, 307) and tighten to 7 N·m (62 lb in).

    27. Object Number: 749753 Size: SH
  27. Install the line pressure control solenoid valve assembly (316) and the shift pressure control solenoid valve assembly (340).
  28. Install the control valve body solenoid valve retainer (312) and 1 - M5 x 0.8 x 13 mm control valve body bolt (311) and tighten to 7 N·m (62 lb in).

    29. Object Number: 749751 Size: SH
  29. Install the TCC lock up pressure control solenoid valve assembly (339).
  30. Install the TCC lock up pressure control solenoid valve retainer (319), the wiring harness clip (318), and 1 - M5 x 0.8 x 10 mm control valve body bolt/screw (307) and tighten to 7 N·m (62 lb in).

    31. Object Number: 749750 Size: SH
  31. Install the manual valve (337) into the middle control valve body assembly.