Part 1

AUTOMATIC TRANSMISSION UNIT

COMPONENTS:

DISASSEMBLY (STEPS 1 - 24)
1. REMOVE TRANSAXLE CASE COVER UPPER
a. Remove the 2 bolts and transaxle case cover upper.

2. REMOVE TRANSMISSION CONTROL SHAFT LEVER RH
a. Remove the nut, spring washer and the transmission control shaft lever RH.

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 oil cooler tube unions.

5. REMOVE TRANSMISSION REVOLUTION SENSOR
a. Remove the 2 bolts and the 2 transmission revolution sensors.
b. Remove the O-rings 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. REMOVE AUTOMATIC TRANSMISSION FLANGE YOKE ASSEMBLY
a. Using a hammer and chisel, loosen the staked part of the nut.
b. Remove the nut and flange yoke.

c. Remove the oil seal from the flange yoke.

9. REMOVE EXTENSION (ATM) HOUSING SUB-ASSEMBLY

a. Remove the 6 bolts.

b. Use a screwdriver to remove the extension housing sub-assembly.

c. Using a snap ring expander, remove the snap ring.
d. Remove the thrust needle roller bearing and the 2 bearing races.

10. REMOVE RR COVER SLEEVE
a. Remove the 2 washers and RR cover sleeve.

11. REMOVE TRANSMISSION CASE ADAPTOR RADIAL BALL BEARING
a. Remove the transmission case adapter radial ball bearing from the extension housing sub-assembly.

12. REMOVE AUTOMATIC TRANSMISSION EXTENSION HOUSING OIL SEAL
a. Using a screwdriver, remove the oil seal.

13. FIX AUTOMATIC TRANSMISSION CASE SUBASSEMBLY
a. Install the transmission case on the overhaul attachment.

14. 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 over flow 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 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 what type of wear you will find in the transaxle.
Steel (magnetic): bearing, gear and plate wear
Brass (non-magnetic): bearing wear

15. 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.

16. REMOVE TRANSMISSION WIRE

a. Remove the 3 bolts and disconnect the 3 clamps.
b. Disconnect the 9 connectors from the shift solenoid valves.

c. Remove the bolt from the transmission case.
d. Pull the transmission wire out of the transmission case.
e. Remove the O-ring from the transmission wire.

17. REMOVE TRANSMISSION VALVE BODY ASSEMBLY

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

b. Remove the 20 bolts.
c. Remove the valve body assembly.

18. REMOVE TRANSAXLE CASE GASKET
a. Remove the 3 transaxle 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 the spring.

21. 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 piston may jump out.

22. REMOVE B-3 ACCUMULATOR PISTON
a. Applying compressed air to 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.

23. 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.

24. REMOVE B-1 ACCUMULATOR VALVE
a. Remove the B-1 accumulator valve and the 2 springs.