Part 1

U151F AUTOMATIC TRANSAXLE: AUTOMATIC TRANSAXLE UNIT: DISASSEMBLY

1. REMOVE PARK/NEUTRAL POSITION SWITCH ASSEMBLY

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





(b) Using a screwdriver, unstake the nut stopper, and remove the lock nut and nut stopper.





(c) Remove the 2 bolts and pull out the park/neutral position switch.





2. REMOVE BREATHER PLUG HOSE

(a) Remove the breather plug hose from the transaxle case.

3. REMOVE OIL COOLER TUBE UNION (INLET OIL COOLER UNION)

(a) Remove the union.





(b) Remove the O-ring from the union.

4. REMOVE OIL COOLER TUBE UNION (OUTLET OIL COOLER UNION)

(a) Remove the elbow.





(b) Remove the O-ring from the elbow.

5. REMOVE SPEED SENSOR

(a) Remove the 2 bolts and the 2 speed sensors from the transaxle assembly.





6. REMOVE TRANSAXLE CASE NO.1 PLUG

(a) Remove the 4 transaxle case No.1 plugs from the transaxle case.





(b) Remove the 4 O-rings from the 4 transaxle case No.1 plugs.

7. FIX AUTOMATIC TRANSAXLE ASSEMBLY

(a) Fix the transaxle assembly.





8. REMOVE AUTOMATIC TRANSAXLE OIL PAN SUB-ASSEMBLY

(a) Remove the 18 bolts, oil pan and gasket.





(b) Remove the 2 magnets from the oil pan.





9. INSPECT TRANSMISSION OIL CLEANER MAGNET

(a) Remove the magnets and use them to collect any steel chips. Examine the chips and particles in the pan and on the magnet to determine what type of wear has occurred in the transaxle:





Result:

Steel (magnetic)
Wear of the bearing, gear and plate

Brass (non-magnetic)
Wear of the bushing

10. DISCONNECT TRANSMISSION WIRE

(a) Remove the 7 connectors from the shift solenoid valves.





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

11. REMOVE TRANSMISSION WIRE

(a) Remove the bolt and transmission wire from the transaxle case.





12. REMOVE VALVE BODY OIL STRAINER ASSEMBLY

(a) Remove the 3 bolts and oil strainer.





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





13. REMOVE TRANSMISSION VALVE BODY ASSEMBLY

(a) Support the valve body assembly and remove the 17 bolts and valve body assembly.





14. REMOVE GOVERNOR APPLY GASKET NO.1

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





15. REMOVE TRANSAXLE CASE 2ND BRAKE GASKET

(a) Remove the transaxle case 2nd brake gasket from the transaxle case.





16. REMOVE BRAKE DRUM GASKET

(a) Remove the brake drum gasket from the transaxle case.





17. REMOVE CHECK BALL BODY

(a) Remove the check ball body and spring from the transaxle case.





18. REMOVE C-3 ACCUMULATOR PISTON

(a) Remove the spring from the C-3 accumulator piston.





(b) Apply compressed air (392 kPa, 4.0 kgf/cm2, 57 psi) to the oil hole and remove the C-3 accumulator piston.





NOTICE:
* Applying compressed air may cause the piston to jump-out. When removing the piston, hold it using a waste cloth.
* Take care not to splash ATF when applying compressed air.
(c) Remove the O-ring from the C-3 accumulator piston.





19. REMOVE REVERSE CLUTCH ACCUMULATOR PISTON

(a) Apply compressed air (392 kPa, 4.0 kgf/cm2, 57 psi) to the oil hole and remove the reverse accumulator piston and spring.





NOTICE:
* Applying compressed air may cause the piston to jump-out. When removing the piston, hold it using a waste cloth.
* Take care not to splash ATF when applying compressed air.
(b) Remove the 2 O-rings from the reverse clutch accumulator piston.





20. REMOVE B-3 ACCUMULATOR PISTON

(a) Apply compressed air (392 kPa, 4.0 kgf/cm2, 57 psi) to the oil hole and remove the B-3 accumulator piston and 2 springs.





NOTICE:
* Applying compressed air may cause the piston to jump-out. When removing the piston, hold it using a waste cloth.
* Take care not to splash ATF when applying compressed air.
(b) Remove the O-ring from the B-3 accumulator piston.





21. REMOVE MANUAL VALVE LEVER SHAFT RETAINER SPRING

(a) Using needle-nose pliers, remove the manual valve lever shaft retainer spring.





22. REMOVE MANUAL DETENT SPRING SUB-ASSEMBLY

(a) Remove the 2 bolts, the manual detent spring sub-assembly and cover.





23. REMOVE PARKING LOCK PAWL BRACKET

(a) Remove the 2 bolts and parking lock pawl bracket.





24. REMOVE MANUAL VALVE LEVER SUB-ASSEMBLY

(a) Using a chisel and hammer, cut off and remove the spacer.





(b) Using a pin punch (dia35 mm) and hammer, drive out the pin.





HINT
Slowly drive out the pin so that it will not fall into the transaxle case.

(c) Remove the manual valve lever shaft and manual valve lever.





25. REMOVE PARKING LOCK ROD SUB-ASSEMBLY

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