Part 1

A760H AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISSION UNIT: DISASSEMBLY

1. REMOVE TRANSFER ASSEMBLY Disassembly

2. REMOVE TRANSMISSION CONTROL SHAFT LEVER LH

(a) Remove the nut, spring washer and the transmission control shaft lever LH.





3. REMOVE PARK/NEUTRAL POSITION SWITCH ASSEMBLY

(a) Using a screwdriver, unstake the lock washer.





(b) Remove the nut and lock washer.

(c) Remove the bolt and park/neutral position switch.

HINT
Make sure that the manual valve lever shaft has not been rotated prior to installing the park/neutral position switch as the detent spring may become detached from the manual valve lever shaft.

4. REMOVE TRANSMISSION OIL COOLER

(a) Remove the 3 bolts, transmission oil cooler and spacer.





(b) Remove the 2 O-rings from the transmission oil cooler.





Text in Illustration





(c) Remove the 2 O-rings from the spacer.

5. REMOVE TRANSMISSION REVOLUTION SENSOR

(a) Remove the 2 bolts and the 2 transmission revolution sensors.





(b) Remove the O-ring from each sensor.

6. REMOVE AUTOMATIC TRANSMISSION BREATHER TUBE

(a) Remove the 2 bolts.





(b) Remove the breather tube.

7. REMOVE AUTOMATIC TRANSMISSION HOUSING

(a) Remove the 10 bolts.





(b) Remove the transmission housing.

8. FIX AUTOMATIC TRANSMISSION CASE SUB-ASSEMBLY

(a) Install the transmission case to an overhaul attachment.





9. REMOVE AUTOMATIC TRANSMISSION OIL PAN SUB-ASSEMBLY

NOTICE:
Do not turn the transmission over as this will contaminate the valve body with foreign matter located at the bottom of the pan.

(a) Remove the overflow plug and the gasket.





(b) Remove the drain plug and the gasket.

(c) Remove the 20 bolts, oil pan and gasket.

(d) Examine particles in the pan.





(1) Remove the 6 magnets from the oil and use them to collect any steel chips. Look carefully at the chips and particles in the pan and on the magnet to anticipate the type of wear which might be found in the transaxle.

Steel (magnetic): bearing, gear and plate wear

Brass (non-magnetic): bushing wear

10. REMOVE VALVE BODY OIL STRAINER ASSEMBLY

(a) Turn over the transmission.





(b) Remove the 4 bolts and valve body oil strainer assembly from the valve body.

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





11. REMOVE TRANSMISSION WIRE

(a) Remove the bolt and temperature sensor clamp, and disconnect the ATF temperature sensor.





(b) Remove the 2 bolts and disconnect the 2 clamp brackets.





(c) Disconnect the 9 connectors from the shift solenoid valves.





(d) Remove the bolt from the transmission case.

(e) Pull the transmission wire out of the transmission case.





(f) Remove the O-ring from the transmission wire.





12. REMOVE TRANSMISSION VALVE BODY ASSEMBLY

(a) Remove the bolt, detent spring cover and detent spring.





(b) Remove the 20 bolts and valve body assembly.





(c) Separate the lever pin from the manual valve lever sub-assembly.





13. REMOVE TRANSAXLE CASE GASKET

(a) Remove the 3 transaxle case gaskets.





14. REMOVE BRAKE DRUM GASKET

(a) Remove the 3 brake drum gaskets.





15. REMOVE CHECK BALL BODY

(a) Remove the check ball body and the spring.





16. REMOVE C-2 ACCUMULATOR PISTON

(a) While blowing compressed air into the oil hole, remove the C-2 accumulator piston and the spring.





(b) Remove the 2 O-rings from the piston.

NOTICE:
Take care as the C-3 and B-3 accumulator pistons may jump out.

17. REMOVE B-3 ACCUMULATOR PISTON

(a) While blowing compressed air into the oil hole, remove the B-3 accumulator piston and the spring.

(b) Remove the 2 O-rings from the piston.

NOTICE:
Take care as the C-3 accumulator piston may jump out.

18. REMOVE C-3 ACCUMULATOR PISTON

(a) While blowing compressed air into the oil hole, remove the C-3 accumulator piston and the 2 springs.





(b) Remove the 2 O-rings from the piston.

19. REMOVE B-1 ACCUMULATOR VALVE

(a) Remove the B-1 accumulator valve and the 2 springs.





20. REMOVE PARKING LOCK PAWL BRACKET

(a) Remove the 3 bolts and the parking lock pawl bracket.





21. REMOVE PARKING LOCK ROD SUB-ASSEMBLY

(a) Disconnect the parking lock rod from the manual valve lever.





22. REMOVE PARKING LOCK PAWL SHAFT

(a) Pull out the parking lock pawl shaft from the front side, then remove the lock pawl and the parking lock pawl torsion spring.





(b) Remove the parking lock pawl E-ring from the parking lock pawl shaft.

23. REMOVE MANUAL VALVE LEVER SUB-ASSEMBLY

(a) Using a hammer and a screwdriver, cut off the spacer and remove it from the shaft.





(b) Using a pin punch and a hammer, drive out the spring pin.





HINT
Slowly drive out the spring pin so that it does not fall into the transmission case.

(c) Pull the manual valve lever shaft out through the case and remove the manual valve lever.

24. REMOVE MANUAL VALVE LEVER SHAFT OIL SEAL

(a) Using a screwdriver, remove the 2 oil seals.





Text in Illustration





25. REMOVE OIL PUMP ASSEMBLY

(a) Remove the 10 bolts from the transmission case.





(b) Using a screwdriver with its tip wrapped with tape, pull out the oil pump.





NOTICE:
Do not damage the oil pump.

(c) Remove the No. 1 thrust bearing race from the oil pump.





(d) Remove the O-ring from the oil pump.

26. REMOVE CLUTCH DRUM AND INPUT SHAFT

(a) Remove the clutch drum and input shaft assembly from the transmission case.





(b) Remove the No. 2 clutch drum thrust washer, 2 thrust needle roller bearings and No. 1 thrust bearing race.





27. INSPECT NO. 2 ONE WAY CLUTCH ASSEMBLY Transmission Unit

28. REMOVE NO. 2 ONE WAY CLUTCH ASSEMBLY

(a) Remove the No. 2 one way clutch assembly and No. 2 clutch drum thrust washer from the clutch drum and input shaft assembly.





29. REMOVE NO. 3 BRAKE SNAP RING

(a) Using a screwdriver, remove the No. 3 brake snap ring from the transmission case.





30. REMOVE NO. 3 BRAKE DISC (for 4GR-FSE)

(a) Remove the No. 3 brake flange, cushion plate, 3 No. 3 brake discs and 3 No. 3 brake plates from the transmission case.





31. REMOVE NO. 3 BRAKE DISC (for 2GR-FSE)

(a) Remove the No. 3 brake flange, cushion plate, 4 No. 3 brake discs and 4 No. 3 brake plates from the transmission case.





32. INSPECT NO. 3 BRAKE DISC Transmission Unit

33. REMOVE 2ND BRAKE PISTON HOLE SNAP RING

(a) Using SST, remove the snap ring.





SST : 09350-30020

09350-07060

34. REMOVE ONE WAY CLUTCH ASSEMBLY

(a) Remove the one way clutch assembly and the No. 1 planetary carrier thrust washer from the transmission case.





35. REMOVE 2ND BRAKE CYLINDER

(a) Remove the 2nd brake cylinder from the transmission case.