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

    Object Number: 767431 Size: SH
  1. Inspect the rear control valve body (410) casting for the following conditions:
    2. • Porosity
    • Cracks
    • Damaged machine surface
    • Chips or debris
    • Damage to valve bores
  2. Inspect all valves, springs, bushings, and clean all components in clean solvent.

    3. Object Number: 767430 Size: SH
  3. Install the 1-2 reverse clutch (B5) control valve (411).

    4. Object Number: 767429 Size: SH
  4. Install the lock up relay valve (415).
  5. Install the lock up relay valve spring (414).
  6. Install the lock up relay control valve plunger (413).
  7. Install the lock up relay control valve sleeve (412).

    8. Object Number: 767426 Size: SH
  8. Install the rear valve body cover plate gasket (418).
  9. Install the rear valve body cover plate (417).

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

  10. Install the 2 - M5 x 0.8 x 13 mm rear valve body cover plate bolts (416) and tighten to 7 N·m (62 lb in).

    11. Object Number: 767425 Size: SH
  11. Install the third gear band (B4) control valve spring (422).
  12. Install the third gear band (B4) control valve (423).

    13. Object Number: 767419 Size: SH
  13. Install the shift pressure relay valve (424).
  14. Install the shift pressure relay valve spring (425).

    15. Object Number: 767416 Size: SH
  15. Install the M2 shift valve (426).
  16. Install the M2 shift valve spring (427).

    17. Object Number: 767413 Size: SH
  17. Install the shift pressure control valve sleeve (428).
  18. Install the shift pressure control valve spring (429).
  19. Install the shift pressure control valve (430).
  20. Install the shift pressure control valve plunger (431).

    21. Object Number: 767410 Size: SH
  21. Install the line pressure control (SLT) accumulator piston (433).
  22. Install the line pressure control (SLT) accumulator piston spring - outer (434).
  23. Install the line pressure control (SLT) accumulator piston spring - inner (435).
  24. Install the shift pressure control valve plunger sleeve (432).

    25. Object Number: 767408 Size: SH
  25. Install the secondary regulator valve (436).
  26. Install the secondary regulator valve spring (437).

    27. Object Number: 767415 Size: SH
  27. Install the rear valve body cover plate gasket (419).
  28. Install the rear valve body cover plate (420).
  29. Install the 7 - M5 x 0.8 x 13 mm rear valve body cover plate bolts (421) and tighten to 7 N·m (62 lb in).