GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 SRX 🢒 Transmission 🢒 Automatic Transmission - 5L40-E/5L50-E 🢒 Transmission Fluid Pump Assemble

Special Tools

J 21368 Pump Body Cover Alignment Band

For equivalent regional tools, refer to Special Tools.


    Object Number: 801912 Size: SH
  1. Inspect the bushing (215) for wear - not serviceable.

    2. Object Number: 801913 Size: SH
  2. Inspect the oil pump parts for the following:
    3. • Worn, scored or gouged pump slide
    • Cracks, wear or damage to the rotor or vanes
    • Cuts or damage to the seals
    • Broken priming springs

    Object Number: 801914 Size: SH
  3. Inspect the oil pump housing for the following:
    4. • Porosity
    • Interconnected oil passages
    • Damaged machined surfaces

    Object Number: 801915 Size: SH
  4. Inspect the valves (207, 210, 235) and springs (208, 209, 234, 238, 219) for the following:
    5. • Nicks or burrs on the valves
    • Worn, distorted or cracked springs

    Object Number: 801909 Size: SH
  5. Install the TCC control valve (235) and the TCC control valve spring (234).
  6. Install the TCC control valve spring retainer (204).

    7. Object Number: 801908 Size: SH
  7. Install the pressure relief valve (239) and spring (238).
  8. Install the pressure valve spring retainer (211).

    9. Object Number: 801907 Size: SH
  9. Install the pump cover seal (212) onto the new pump cover screen (213).
  10. Install the pump cover screen (213).
  11. Install the pump cover screen pin (211).

    12. Object Number: 801906 Size: SH
  12. Install the pressure regulator valve (210), the pressure regulator valve spring (209), and the line boost valve spring (208).
  13. Install the line boost valve bushing seal (205) onto the bushing (206).
  14. Install the line boost valve (207) and the bushing (206).
  15. Install the line boost valve bushing retainer (204).

    16. Object Number: 801905 Size: SH
  16. Install the reverse clutch housing fluid seal rings (200).

    17. Object Number: 851063 Size: SH
  17. Measure the distance from the bottom of the gage bar to the pump body. Refer to Transmission Fluid Pump Specifications.
  18. Measure the thickness of pump slide.
  19. Select the proper size, refer to Transmission Fluid Pump Specifications.
  20. Measure the thickness of the pump rotor.
  21. Select the proper size rotor refer to Transmission Fluid Pump Specifications.

    22. Object Number: 801904 Size: SH
  22. Install the fluid pump support (217), the slide seal (218) and the fluid pump slide rings (220), and the fluid pump slide o-ring seal (242) onto the pump slide (216).
  23. Install the slide pin (231).

    24. Note: The fluid pump slide (216) is selective.

  24. Install the pump slide (216).
  25. Using a screwdriver install the slide spring (219).

    26. Object Number: 801903 Size: SH
  26. Install the fluid pump vane ring (225).
  27. Install the pump rotor guide (224).

    28. Note: The fluid pump rotor (223) is selective.

  28. Install the pump rotor (223).
  29. Install the pump vanes (222).
  30. Install the pump vane ring (221).

    31. Object Number: 801902 Size: SH
  31. Install the pump cover housing (202) onto the converter housing.

    32. Object Number: 801916 Size: SH
  32. Install J 21368 alignment band and tighten.

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


    Object Number: 801917 Size: SH
  33. Install the oil pump housing bolts (240, 241).
    34. • Tighten the fluid pump housing bolts (240) to 11 N·m (8 lb ft).
    • Tighten the fluid pump housing bolts (241) to 22 N·m (16 lb ft).
  34. Remove J 21368 alignment band .