Part 1

U760E AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSAXLE UNIT: DISASSEMBLY

1. REMOVE TRANSMISSION BREATHER HOSE SUB-ASSEMBLY

(a) Using a screwdriver, remove the transmission breather hose from the transaxle case.

(b) Using a screwdriver, remove the No. 1 breather plug from the breather plug hose.

Text in Illustration

(c) Using a screwdriver, remove the No. 2 breather plug from the breather plug hose.

(d) Using a screwdriver, remove the O-ring from the No. 2 breather plug.

2. REMOVE TRANSMISSION CONTROL SHAFT LEVER

(a) Remove the nut, washer and transmission control shaft lever from the manual valve lever shaft.

3. REMOVE PARK/NEUTRAL POSITION SWITCH ASSEMBLY

(a) Remove the 2 bolts and the park/neutral position switch assembly from the transaxle case.

NOTICE:
Before removing the park/neutral position switch, remove any dirt or rust on the installation portion of the control shaft. Be sure to remove the switch straight along the shaft while being careful not to deform the plate spring that supports the shaft. If the plate spring is deformed, the park/neutral position switch cannot be reinstalled correctly.

4. REMOVE OIL COOLER TUBE UNION (OUTLET)

(a) Remove the oil cooler tube union (outlet) from the transaxle case.

(b) Remove the O-ring from the oil cooler tube union (outlet).

5. REMOVE OIL COOLER TUBE UNION (INLET)

(a) Loosen the nut while holding the oil cooler tube union (inlet).

(b) Remove the oil cooler tube union (inlet) from the transaxle case.

(c) Remove the O-ring from the oil cooler tube union (inlet).

6. REMOVE NO. 1 TRANSAXLE CASE PLUG

(a) Remove the 3 No. 1 transaxle case plugs from the transaxle case.

(b) Using a screwdriver, remove the 3 O-rings from the 3 No. 1 transaxle case plugs.

7. REMOVE NO. 2 TRANSAXLE CASE PLUG

(a) Using a 6 mm hexagon socket wrench, remove the 3 No. 2 transaxle case plugs from the transaxle housing.

(b) Remove the 3 gaskets from the 3 No. 2 transaxle case plugs.

8. SUPPORT AUTOMATIC TRANSAXLE ASSEMBLY

(a) Support the transaxle assembly on wooden blocks.

Text in Illustration

9. REMOVE OVERFLOW PLUG

(a) Using a 6 mm hexagon socket wrench, remove the overflow plug from the automatic transaxle oil pan.

(b) Remove the gasket from the overflow plug.

10. REMOVE NO. 1 TRANSMISSION OIL FILLER TUBE

(a) Using a 6 mm hexagon socket wrench, remove the No. 1 transmission oil filler tube from the automatic transaxle oil pan.

11. REMOVE AUTOMATIC TRANSAXLE OIL PAN SUB-ASSEMBLY

(a) Remove the 19 bolts and automatic transaxle oil pan from the transaxle case.

NOTICE:
Some fluid will remain in the automatic transaxle oil pan. Remove all the bolts, and then carefully remove the automatic transaxle oil pan.

12. REMOVE AUTOMATIC TRANSAXLE OIL PAN GASKET

(a) Remove the automatic transaxle oil pan gasket.

13. REMOVE TRANSMISSION OIL CLEANER MAGNET

(a) Remove the 2 transmission oil cleaner magnets from the automatic transaxle oil pan.

14. INSPECT TRANSMISSION OIL CLEANER MAGNET Transaxle Unit

15. REMOVE VALVE BODY OIL STRAINER ASSEMBLY

(a) Remove the 2 bolts and valve body oil strainer assembly from the transmission valve body assembly.

(b) Remove the O-ring from the valve body oil strainer assembly.

16. REMOVE TRANSMISSION VALVE BODY ASSEMBLY

(a) Remove the 11 bolts and transmission valve body assembly from the transaxle case.

NOTICE:
When removing the transmission valve body assembly, be careful not to allow the transmission revolution sensor and the transaxle case to interfere with each other.

17. REMOVE NO. 1 GOVERNOR APPLY GASKET

(a) Remove the 2 No. 1 governor apply gaskets from the transaxle case.

18. INSPECT INPUT SHAFT END PLAY Transaxle Unit

19. REMOVE REFILL PLUG

(a) Remove the refill plug from the rear transaxle cover sub-assembly.

(b) Remove the gasket from the refill plug.

20. REMOVE REAR TRANSAXLE COVER PLUG

(a) Remove the 3 rear transaxle cover plugs from the rear transaxle cover.

(b) Using a screwdriver, remove the 3 O-rings from the 3 rear transaxle cover plugs.

21. REMOVE REAR TRANSAXLE COVER SUB-ASSEMBLY

(a) Remove the 14 bolts from the rear transaxle cover.

(b) Using a brass bar and hammer, tap on the circumference of the rear transaxle cover to remove the rear transaxle cover from the transaxle case.

(c) Using a screwdriver, remove the 3 O-rings from the transaxle case.

(d) Using a screwdriver, remove the 2 oil seal rings from the rear transaxle.

(e) Remove the thrust needle roller bearing and thrust bearing race from the rear transaxle cover.

(f) Using a T30 "TORX" socket wrench, remove the 2 screws and rear transaxle cover plate from the rear transaxle cover.

(g) Using SST, remove the needle roller bearing from the rear transaxle cover.

SST : 09319-60020

Text in Illustration

22. REMOVE REAR MULTIPLE DISC CLUTCH ASSEMBLY

(a) Remove the rear multiple disc clutch assembly from the transaxle case.

(b) Remove the thrust needle roller bearing from the transaxle case.

(c) Using a screwdriver, remove the O-ring from the rear multiple disc clutch assembly.

Text in Illustration

(d) Using a screwdriver, remove the oil seal ring from the rear multiple disc clutch assembly.

23. REMOVE REAR PLANETARY SUN GEAR ASSEMBLY

(a) Using 2 screwdrivers and a hammer, tap out the snap ring from the rear multiple disc clutch assembly.

Text in Illustration

HINT
Use a piece of cloth to keep the snap ring from flying off.

(b) Remove the rear planetary sun gear assembly from the rear multiple disc clutch assembly.

Text in Illustration

24. INSPECT REAR PLANETARY SUN GEAR ASSEMBLY Transaxle Unit

25. REMOVE TRANSAXLE HOUSING

(a) Remove the 20 bolts from the transaxle housing.

(b) Using a brass bar and hammer, tap on the circumference of the transaxle housing to remove the transaxle housing from the transaxle case.

26. REMOVE DIFFERENTIAL GEAR LUBE APPLY TUBE

(a) Remove the bolt, clamp and differential gear lube apply tube from the transaxle housing.

27. REMOVE TRANSAXLE HOUSING OIL SEPARATOR

(a) Remove the 3 bolts and transaxle housing oil separator from the transaxle housing.

28. REMOVE OIL PUMP ASSEMBLY

(a) Remove the O-ring from the oil pump assembly.

Text in Illustration

(b) Remove the 7 bolts and oil pump assembly from the transaxle case.

(c) Remove the O-ring from the oil pump assembly.

(d) Remove the thrust needle roller bearing and thrust bearing race from the counter drive gear nut.

Text in Illustration

(e) Remove the O-ring from the transaxle case.

29. REMOVE NO. 3 BRAKE DISC

(a) Using a screwdriver, remove the snap ring from the oil pump assembly.

Text in Illustration

NOTICE:
Be careful not to damage the oil pump assembly.

HINT
Wrap the tip of the screwdriver with tape.

(b) Remove the 2 No. 3 brake flanges, 3 No. 3 brake discs and 2 No. 3 brake plates from the oil pump assembly.

Text in Illustration

30. INSPECT NO. 3 BRAKE DISC Transaxle Unit

31. REMOVE UNDERDRIVE PLANETARY GEAR ASSEMBLY

(a) Remove the underdrive planetary gear assembly from the oil pump assembly.

32. REMOVE NO. 3 BRAKE HUB

(a) Remove the No. 3 brake hub from the underdrive planetary gear assembly.

(b) Remove the thrust needle roller bearing and thrust bearing race from the underdrive planetary gear assembly.

Text in Illustration

33. REMOVE PLANETARY SUN GEAR SUB-ASSEMBLY

(a) While expanding the snap ring with snap ring pliers, remove the planetary sun gear from the underdrive planetary gear assembly.

Text in Illustration

(b) Remove the snap ring from the underdrive planetary gear assembly.

34. INSPECT UNDERDRIVE PLANETARY GEAR ASSEMBLY Transaxle Unit

35. INSPECT PLANETARY SUN GEAR SUB-ASSEMBLY Transaxle Unit