Part 1
U250E AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSAXLE UNIT: REASSEMBLY; 2013 MY Corolla [07/2012 -]
1. BEARING POSITION
Check each bearing position and installation direction.
2. INSTALL DIFFERENTIAL GEAR LUBE APPLY TUBE
(a) Install the differential gear lube apply tube and transaxle apply tube clamp to the transaxle housing with the bolt.
Torque : 9.8 Nm (100 kgf-cm, 87 in-lbf)
NOTICE:
Make sure to insert the pipe to the stopper.
3. INSTALL NO. 1 TRANSAXLE CASE PLUG
(a) Install a new O-ring to each No. 1 transaxle case plugs.
(b) Install the 2 No. 1 transaxle case plugs to the transaxle rear housing.
Torque : 7.4 Nm (75 kgf-cm, 65 in-lbf)
4. INSTALL UNDERDRIVE OUTPUT SHAFT OIL SEAL RING
(a) Coat a new oil seal ring with ATF and install it to the transaxle housing.
5. INSTALL UNDERDRIVE CYLINDRICAL ROLLER BEARING
(a) Coat the underdrive cylindrical roller bearing with ATF.
(b) Using SST and a press, install the underdrive cylindrical roller bearing.
SST : 09950-60020
SST : 09950-70010
09951-00780
09951-07100
NOTICE:
Do not apply excessive pressure to it.
6. INSTALL UNDERDRIVE CLUTCH DRUM OIL SEAL RING
(a) Coat 2 new oil seal rings with ATF, and install them to the transaxle rear cover.
NOTICE:
* Do not expand the gap of the oil seal ring excessively.
* Securely engage the hooks. Confirm that the rings rotate smoothly.
7. INSTALL NEEDLE ROLLER BEARING
(a) Wrap vinyl tape around SST 4.0 mm (0.157 in.) above the bottom end until the thickness of the wrapped tape is about 5.0 mm (0.197 in.).
NOTICE:
Clean SST to remove deposited oil before wrapping the vinyl tape.
(b) Coat a new needle roller bearing with ATF.
(c) Using SST and a press, install the needle roller bearing to the transaxle case.
SST : 09950-60010
09951-00320
SST : 09950-70010
09951-07100
NOTICE:
When the wrapped vinyl tape contacts the transaxle case, stop the press.
8. INSTALL UNDERDRIVE BRAKE PISTON
(a) Coat 2 new O-rings with ATF, and install them to the underdrive brake piston.
NOTICE:
* Install the O-rings carefully so that they are not twisted or pinched.
* Apply sufficient ATF to the O-rings prior to installation.
(b) Coat the underdrive brake piston with ATF.
(c) Install the underdrive brake piston to the transaxle case.
NOTICE:
Be careful not to damage the O-rings.
9. INSTALL UNDERDRIVE BRAKE RETURN SPRING SUB-ASSEMBLY
(a) Place SST on the return spring and compress the return spring with a press.
SST : 09387-00020
(b) Using a snap ring expander, install the snap ring to the transaxle case.
NOTICE:
* Stop the press when the spring seat is lowered 1 to 2 mm (0.0393 to 0.0787 in.) from the snap ring groove to prevent the spring seat from being deformed.
* Do not expand the snap ring excessively.
* After installing the spring sub-assembly, check all of the springs are fitted in the piston correctly.
* The snap ring should be securely engaged in the groove of the transaxle case.
10. INSTALL COUNTER DRIVE GEAR BEARING
(a) Install the snap ring to the transaxle case.
(b) Using SST and a press, install the bearing outer race (rear side) to the transaxle case.
SST : 09316-12010
SST : 09950-60020
09951-00810
SST : 09950-70010
09951-07150
NOTICE:
* Ensure that the snap ring is securely installed.
* Do not apply excessive pressure to the bearing outer race.
(c) Using SST and a press, install the bearing outer race (front side) to the transaxle case.
SST : 09316-12010
SST : 09502-24010
SST : 09523-36010
SST : 09950-60020
09951-00810
SST : 09950-70010
09951-07150
NOTICE:
* Do not apply excessive pressure to the bearing outer race.
* Install the bearing outer race with a press while holding the bearing outer race with SST (09502-24010, 09523-36010).
(d) Install the 2 angular balls to the transaxle case.
11. INSTALL COUNTER DRIVE GEAR
(a) Coat the counter drive gear with ATF.
(b) Using SST and a press, install the tapered roller bearing inner race (front side) to the counter drive gear.
SST : 09649-17010
SST : 09950-70010
09951-07150
NOTICE:
Do not apply excessive pressure to the bearing inner race.
(c) Using SST and a press, install the counter drive gear and bearing inner race (rear side) to the transaxle case.
SST : 09223-15030
SST : 09527-17011
SST : 09950-60020
09951-00720
SST : 09950-70010
09951-07150
NOTICE:
Do not apply excessive pressure to the counter drive gear and bearing inner race.
12. INSTALL 1ST AND REVERSE BRAKE PISTON
(a) Coat 2 new O-rings with ATF.
(b) Install the 2 O-rings to the 1st and reverse brake piston.
NOTICE:
* Install the O-rings carefully so that they are not twisted or pinched.
* Apply sufficient ATF to the O-rings prior to installation.
(c) Coat the 1st and reverse brake piston with ATF, and install it to the transaxle case.
NOTICE:
Be careful not to damage the O-rings.
13. INSTALL 1ST AND REVERSE BRAKE RETURN SPRING SUB-ASSEMBLY
(a) Install the return spring.
(b) Place SST on the return spring and compress the return spring with a press.
SST : 09387-00070
(c) Using a snap ring expander, install the snap ring to the transaxle case.
NOTICE:
* Stop the press when the spring seat is lowered 1 to 2 mm (0.0393 to 0.0787 in.) from the snap ring groove to prevent the spring seat from being deformed.
* Do not expand the snap ring excessively.
* After installing the spring sub-assembly, check all of the springs are fitted in the piston correctly.
* The snap ring should be securely engaged in the groove of the cylinder.
14. INSTALL FRONT PLANETARY RING GEAR
(a) Using a screwdriver, install the front planetary ring gear and snap ring to the brake hub.
NOTICE:
Confirm that the snap ring is engaged in the groove of the brake hub correctly.