AUTOMATIC TRANSMISSION(4AT) > AT Main Case

REMOVAL

1. Remove the transmission assembly from vehicle body.

2. Pull out the torque converter clutch assembly.

3. Remove the input shaft.

4. Lift-up the lever on the rear side of transmission harness connector, and then disconnect it from the stay.

5. Disconnect the inhibitor switch connector from the stay.

6. Disconnect the air breather hose.

7. Remove the oil charge pipe.

8. Remove the ATF cooler inlet and outlet pipes.

9. Separate the converter case from the transmission case.

10. Remove the oil pump housing.

11. Take out the high clutch &, reverse clutch assembly and thrust needle bearing.

(A)

High clutch & reverse clutch ASSY

(B)

Thrust needle bearing

12. Take out the high clutch hub and thrust needle bearing.

(A)

High clutch hub

(B)

Thrust needle bearing

13. Take out the front sun gear and thrust needle bearing.

(A)

Front sun gear

(B)

Thrust needle bearing

14. Pull out the leaf spring of the 2-4 brake while taking care not to bend the spring.

NOTE:

Remove it while pressing down on the lower leaf spring.

(A)

Leaf spring

(B)

Retaining plate

15. Remove the snap ring and thrust needle bearing.

(A)

Snap ring

(B)

Thrust needle bearing

16. Take out the retaining plate of the 2-4 brake, drive plate and driven plate.

17. Take out the thrust needle bearing, planetary gear assembly and low clutch assembly.

18. Remove the 2-4 brake seal.

19. Remove the snap ring.

(A)

Snap ring

(B)

2-4 brake piston

20. Take out the 2-4 brake spring retainer.

21. Remove the 2-4 brake piston and 2-4 brake piston retainer while taking care not to damage them.

(A)

2-4 brake piston

(B)

2-4 brake piston retainer

22. Pull out the low & reverse brake leaf spring without bending it.

(A)

Leaf spring

23. Remove the snap ring.

(A)

Snap ring

24. Take out the low & reverse brake retaining plate, drive plate, driven plate and dish plate.

25. Turn the transmission case upside down, and then take out the socket bolts while holding the one-way clutch inner race by hand.

26. Remove the spring retainer.

27. Take out the return spring.

28. Apply compressed air.

29. Take out the low & reverse brake piston.