Diesel Data: Automotive Repair

Transmission Fluid Pump Assemble




Transmission Fluid Pump Assemble

Special Tools

J 21368 Pump Body Cover Alignment Band




1. Inspect the fluid pump bushing (215) for wear - not serviceable.




2. Inspect the fluid pump parts for the following:

* Worn, scored, or gouged pump slide
* Cracks, wear, or damage to the rotor or vanes
* Cuts or damage to the seals
* Broken priming springs




3. Inspect the fluid pump housing for the following:

* Porosity
* Interconnected oil passages
* Damaged machined surfaces




4. Inspect the valves (207, 210, 235) and springs (208, 209, 234, 238, 219) for the following:

* Nicks or burrs on the valves
* Worn, distorted, or cracked springs




5. Install the TCC control valve (235) and the TCC control valve spring (234).
6. Install the TCC control valve spring retainer (204).




7. Install the pressure relief ball (239) and spring (238).
8. Install the pressure valve spring retainer (211).




9. Install the fluid pump cover seal (212) onto the new pump cover screen (213).
10. Install the fluid pump cover screen (213).
11. Install the fluid pump cover screen pin (211).




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. Install the reverse clutch housing fluid seal rings (200).




17. Measure the distance from the bottom of the gage bar to the fluid pump body. Refer to Transmission Fluid Pump Specifications (Transmission Fluid Pump Specifications).
18. Measure the thickness of pump slide (216).
19. Select the correct size. Refer to Transmission Fluid Pump Specifications (Transmission Fluid Pump Specifications).
20. Measure the thickness of the pump rotor (223).
21. Select the correct size rotor. Refer to Transmission Fluid Pump Specifications (Transmission Fluid Pump Specifications).




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).

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

24. Install the fluid pump slide (216).
25. Using a suitable tool install the slide spring (219).




26. Install the fluid pump vane ring (225).
27. Install the fluid pump rotor guide (224).

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

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




31. Install the fluid pump cover housing (202) onto the converter housing (224).




32. Install J 21368 and tighten.





Caution: Refer to Fastener Caution (Fastener Caution).

33. Install the fluid pump housing retaining bolts (240, 241). Tighten the bolts (240) to 11 Nm (8 lb ft) and bolts (241) to 22 Nm (16 lb ft).
34. Remove J 21368 .