GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2006 🢒 Express 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 5L40-E/5L50-E 🢒 Control Valve Body Accumulator Assembly Disassemble

    Object Number: 801925 Size: SH

    Notice: Note the position of each accumulator before removal. The accumulators must be assembled in the same positions, or damage may occur.

  1. Remove the 2nd clutch accumulator housing bolts (318).

    2. Important: The 5L50-E has a unique stackup on the 2nd clutch accumulator housing.

  2. Remove the 2nd clutch accumulator housing (333) and spring (329).

    3. Object Number: 801926 Size: SH
  3. Remove the intermediate clutch housing bolts (318).
  4. Remove the intermediate clutch accumulator housing (328), and spring (324).

    5. Object Number: 801927 Size: SH
  5. Remove the overdrive clutch accumulator housing bolts (318).
  6. Remove the overdrive clutch accumulator housing (323), and spring (319).

    7. Object Number: 801928 Size: SH
  7. Remove the direct clutch accumulator housing bolts (318).
  8. Remove the direct accumulator housing (317), and spring (313).

    9. Object Number: 801929 Size: SH

    Important: It may be necessary to use air pressure to remove the piston.

  9. Release the piston with air pressure.

    10. Object Number: 801930 Size: SH
  10. Remove the 2nd clutch accumulator piston (331) from the 2nd clutch accumulator housing (333).
  11. Remove the 2nd clutch accumulator piston rings (332, 330).

    12. Object Number: 801929 Size: SH

    Important: It may be necessary to use air pressure to remove the piston.

  12. Release the piston with air pressure.

    13. Object Number: 801932 Size: SH
  13. Remove the intermediate clutch accumulator piston (326) from the intermediate clutch accumulator housing (328).
  14. Remove the intermediate clutch accumulator piston fluid seal rings (325, 327).

    15. Object Number: 801929 Size: SH

    Important: It may be necessary to use air pressure to remove the piston.

  15. Release the piston with air pressure.

    16. Object Number: 801933 Size: SH
  16. Remove the overdrive clutch accumulator piston (321) from the overdrive clutch accumulator housing (323).
  17. Remove the overdrive clutch accumulator piston fluid seal ring (320, 322).

    18. Object Number: 801929 Size: SH

    Important: It may be necessary to use air pressure to remove the piston.

  18. Release the piston with air pressure.

    19. Object Number: 801934 Size: SH
  19. Remove the direct accumulator housing piston (315) from the direct accumulator housing (317).
  20. Remove the direct clutch accumulator piston fluid seal rings (314, 316).

    21. Object Number: 801935 Size: SH
  21. Remove the control valve body bolts (50, 300).

    22. Object Number: 801936 Size: SH
  22. Remove the control valve body channel plate (301).
  23. Remove the channel plate ball check spring (302) and the gasket (303).

    24. Object Number: 801937 Size: SH
  24. Remove the control valve body channel plate (304).

    25. Object Number: 801938 Size: SH

    Important: The checkballs (306) may be inside the bottom channel plate, or may be sitting on gasket (305).

  25. Remove the checkballs (306) and the gasket (305).

    26. Object Number: 801939 Size: SH
  26. Remove the control valve body spacer plate (307).
  27. Remove the filters (308, 312).
  28. Remove the spacer plate gasket (309).