Transmission Case Section

1. Remove the reduction drive gear assembly.





2. Remove the reduction driven gear.
a. Straighten the staked portion, and remove the lock nut.

NOTE: Set the range selector lever to "P".





b. Using the ST, extract the reduction driven gear.
ST 899524100 PULLER SET or equivalent.

NOTE: It may be necessary to drill two holes in the puller.





3. Remove the parking pawl, return spring and shaft.





4. Loosen the taper roller bearing mounting bolts.





5. Place two wooden blocks on the workbench, and stand the transmission case with its rear end facing down.

CAUTION:
- Be careful not to scratch the rear mating surface of the transmission case.
- Note that the parking rod and drive pinion protrude from the mating surface.





6. Remove the oil pan and gasket.

NOTE: Tap the corners of the oil pan when removing.





7. Remove the oil cooler outlet pipe.

CAUTION: Be careful not to twist the pipe.





8. Disconnect the harness connectors for the solenoids and duty solenoids and the ground cord.





9. Remove the oil strainer.

CAUTION: Be careful not to damage O-ring on oil strainer.





10. Remove the control valve body and the two brackets.





11. Remove the three accumulator springs.





12. Loosen the reverse clutch drum lightly by turning the adjusting screw. Then remove the oil pump housing.

CAUTION: Be careful not to lose the total end play adjusting thrust washer.





13. Loosen the brake band adjusting screw with ST, and take out the strut.
ST 398603610 SOCKET WRENCH or equivalent.





14. Remove the brake band and reverse clutch.

NOTE: Contract the brake band with a clip.





15. Take out the high clutch.

CAUTION: Thrust needle bearing and bearing race are removed together with high clutch. Be careful not to lose them.





16. Take out the high clutch hub and the thrust bearing.





17. Take out the front sun gear and the thrust bearing.





18. Take out the front planetary carrier and the thrust bearing.





19. Take out the rear planetary carrier, rear sun gear and the thrust bearing.





20. Take out the rear internal gear and the thrust bearing.





21. Take out the one-way clutch outer race and the thrust washer.





22. Take out the overrunning clutch hub, the thrust washer and the thrust bearing.





23. Take out the forward clutch drum.





24. Take out the low & reverse brake section.
a. Remove the snap ring. Then remove the retaining plate, drive plates, driven plates, and dish plates as a unit.





b. Turning the case upside down, take out the one-way clutch inner race and spring retainer.





c. Take out the low & reverse piston by applying compressed air.





25. After removing the snap ring (inner), take out the servo piston by applying compressed air from the release pressure side.

CAUTION: Hold the servo piston with a rag so that it will not be ejected with the air pressure. In this case, do not allow your finger to be pinched between the pipe and retainer.





26. Apply compressed air from the operating pressure side, and take out accumulator (3-4), accumulator (1-2), accumulator (2-3), accumulator and spring (N-D).





27. Remove the range select lever.
28. Remove the detention spring.





29. Remove the parking rod together with the manual lever. Then remove the manual shaft by pulling off the straight pin.

CAUTION: Be careful not to damage the lips of the press-fitted oil seal in the case.





30. Remove the inhibitor switch





31. Remove the transmission harness

CAUTION: Be careful not to damage the cord insulation.