Part 1

A761E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISSION UNIT: DISASSEMBLY

DISASSEMBLY

1. REMOVE TRANSMISSION CASE COVER UPPER
(a) Remove the 2 bolts and transmission case cover.
2. REMOVE TRANSMISSION CONTROL SHAFT LEVER RH

(a) Remove the nut and transmission control shaft lever.
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.
4. REMOVE OIL COOLER TUBE UNION

(a) Remove the 2 oil cooler tube unions.
(b) Remove the O-rings from the unions.
5. REMOVE TRANSMISSION REVOLUTION SENSOR

(a) Remove the 2 bolts and 2 sensors.
(b) Remove the O-ring from each sensor.
6. REMOVE AUTOMATIC TRANSMISSION BREATHER TUBE

(a) Remove the 2 bolts and breather tube.
7. REMOVE AUTOMATIC TRANSMISSION HOUSING

(a) Remove the 10 bolts.
(b) Remove the transmission housing.
8. REMOVE AUTOMATIC TRANSMISSION FLANGE YOKE ASSEMBLY

(a) Using SST and a hammer, loosen the staked part of the nut.
SST: 09930-00010

(b) Using SST and a 30 mm socket wrench, remove the nut.
SST: 09330-00021
SST: 09950-30012
09955-03040
(c) Remove SST.
(d) Tap the output flange with a plastic-faced hammer to remove it.

(e) Remove the oil seal from the flange yoke.
9. REMOVE EXTENSION HOUSING SUB-ASSEMBLY

(a) Remove the 6 bolts.

(b) Using a screwdriver, pry out the extension housing.

(c) Using a snap ring expander, remove the snap ring.
(d) Remove the thrust needle roller bearing and the 2 bearing races.
10. REMOVE REAR COVER SLEEVE

(a) Remove the 2 washers and cover sleeve.
11. REMOVE TRANSMISSION CASE ADAPTER RADIAL BALL BEARING
(a) Remove the transmission case adaptor radial ball bearing from the extension housing.
12. REMOVE AUTOMATIC TRANSMISSION EXTENSION HOUSING OIL SEAL

(a) Using a screwdriver, pry out the oil seal.
13. FIX AUTOMATIC TRANSMISSION CASE SUB-ASSEMBLY

(a) Install the transmission case on the overhaul attachment.
14. REMOVE AUTOMATIC TRANSMISSION OIL PAN SUB-ASSEMBLY
NOTE:
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 gasket.
(b) Remove the drain plug and gasket.
(c) Remove the 20 bolts, oil pan and gasket.

(d) Examine the particles in the pan.
(1) Remove the magnets from the oil pan. Use the removed magnets 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 transmission.
Steel (magnetic): bearing, gear and plate wear
Brass (non-magnetic): bush wear
15. REMOVE VALVE BODY OIL STRAINER ASSEMBLY

(a) Turn over the transmission.
(b) Remove the 4 bolts and valve body oil strainer from the valve body.
(c) Remove the O-ring from the valve body oil strainer.
16. REMOVE TRANSMISSION WIRE

(a) Remove the bolt, lock plate and ATF temperature sensor.

(b) Remove the 2 bolts and disconnect the 2 clamps.

(e) Remove the bolt and pull out the transmission wire.

(f) Remove the O-ring from the transmission wire.
17. REMOVE TRANSMISSION VALVE BODY ASSEMBLY

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

(b) Remove the 20 bolts.
(c) Remove the valve body.
18. REMOVE TRANSMISSION CASE GASKET

(a) Remove the 3 transmission case gaskets.
19. REMOVE BRAKE DRUM GASKET

(a) Remove the 3 brake drum gaskets.
20. REMOVE CHECK BALL BODY

(a) Remove the check ball body and spring.
21. REMOVE C-2 ACCUMULATOR PISTON

(a) While blowing compressed air into the oil hole, remove the C-2 accumulator piston and spring.
(b) Remove the 2 O-rings from the piston.
NOTE:
The C-3 and B-3 accumulator pistons may jump out.

22. REMOVE B-3 ACCUMULATOR PISTON
(a) While blowing compressed air into the oil hole, remove the B-3 accumulator piston and spring.
(b) Remove the 2 O-rings from the piston.
NOTE:
The C-3 accumulator piston may jump out.

23. REMOVE C-3 ACCUMULATOR PISTON

(a) While blowing compressed air into the oil hole, remove the C-3 accumulator piston and 2 springs.
(b) Remove the 2 O-rings from the piston.
24. REMOVE B-1 ACCUMULATOR VALVE

(a) Remove the B-1 accumulator valve and 2 springs.
25. REMOVE PARKING LOCK PAWL BRACKET

(a) Remove the 3 bolts and parking lock pawl bracket.
26. REMOVE PARKING LOCK ROD SUB-ASSEMBLY

(a) Disconnect the parking lock rod from the manual valve lever.
27. REMOVE PARKING LOCK PAWL SHAFT

(a) Pull out the parking lock pawl shaft from the front side, then remove the lock pawl and spring.
(b) Remove the E-ring from the shaft.
28. REMOVE MANUAL VALVE LEVER SUB-ASSEMBLY

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

(b) Using a pin punch and 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.
29. REMOVE MANUAL VALVE LEVER SHAFT OIL SEAL

(a) Using a screwdriver, pry out the 2 oil seals.