Part 1

U341E AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSAXLE UNIT: DISASSEMBLY; 2013 MY Corolla [07/2012 -]

1. REMOVE SPEEDOMETER DRIVEN HOLE COVER SUB-ASSEMBLY

(a) Remove the bolt and speedometer driven hole cover sub-assembly from the transaxle housing.

(b) Remove the O-ring from the speedometer driven hole cover sub-assembly.

2. REMOVE PARK/NEUTRAL POSITION SWITCH ASSEMBLY

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

(b) Using a screwdriver, pry out the lock plate and remove the manual valve shaft nut.

3. REMOVE SPEED SENSOR

(a) Remove the bolt and speed sensor from the transaxle case.

4. REMOVE OIL COOLER TUBE UNION

(a) Remove the 2 oil cooler tube unions from the transaxle case.

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

5. REMOVE NO. 1 TRANSAXLE CASE PLUG

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

(b) Remove the No. 1 transaxle case plug from the transaxle case.

(c) Remove the O-ring from No. 1 transaxle case plug.

6. REMOVE BREATHER PLUG HOSE

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

7. REMOVE BREATHER PLUG

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

8. SECURE AUTOMATIC TRANSAXLE ASSEMBLY

(a) Secure the transaxle onto wooden blocks.

9. REMOVE AUTOMATIC TRANSAXLE OIL PAN SUB-ASSEMBLY

(a) Remove the 19 bolts and remove the oil pan and oil pan gasket.

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

(c) Examine the particles in the oil pan.

(1) Collect any steel chips with the removed magnets.

Carefully look at the foreign matter and particles in the oil pan and on the magnets to predict the type of wear which might be found in the transaxle.

Steel (magnetic): bearing, gear and clutch plate wear

Brass (non-magnetic): bearing wear

10. REMOVE VALVE BODY OIL STRAINER ASSEMBLY

(a) Remove the 3 bolts and remove the oil strainer assembly.

(b) Remove the oil strainer gasket from the oil strainer assembly.

11. REMOVE TRANSMISSION VALVE BODY ASSEMBLY

(a) Disconnect the 5 solenoid connectors.

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

(c) Remove the 2 bolts and remove the detent spring cover and detent spring.

(d) Remove the 13 bolts and the valve body assembly from the transaxle case.

12. REMOVE TRANSMISSION WIRE

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

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

13. REMOVE TRANSAXLE CASE 2ND BRAKE GASKET

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

14. REMOVE TRANSAXLE CASE GASKET

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

15. REMOVE BRAKE DRUM GASKET

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

16. REMOVE CHECK BALL BODY

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

17. REMOVE B-2 ACCUMULATOR PISTON

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

NOTICE:
* Blowing air may cause the piston to jump out. When removing the piston, hold it by hand using a piece of cloth.
* Do not splash ATF with compressed air.

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

18. REMOVE C-3 ACCUMULATOR PISTON

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

19. REMOVE C-2 ACCUMULATOR PISTON

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