Part 2
U250E AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSAXLE UNIT: REASSEMBLY (Continued)
31. INSTALL OVERDRIVE DIRECT CLUTCH DRUM SUB-ASSEMBLY
(a) Coat the direct clutch drum with ATF, and install it to the intermediate shaft.
NOTICE:
* Be careful not to damage the O-ring.
* Be careful not to damage the lip seal of the direct clutch drum.
32. INSTALL OVERDRIVE DIRECT CLUTCH PISTON
(a) Coat the overdrive direct clutch piston with ATF, and install it to the overdrive direct clutch drum sub-assembly.
NOTICE:
Be careful not to damage the lip seal of the direct clutch piston.
33. INSTALL OVERDRIVE CLUTCH RETURN SPRING SUB-ASSEMBLY
(a) Install the overdrive clutch return spring sub-assembly to the overdrive direct clutch drum sub-assembly.
NOTICE:
When installing the spring sub-assembly, ensure that all springs are fitted in the piston correctly.
(b) Coat the clutch balancer with ATF.
(c) Install the clutch balancer to the overdrive direct clutch drum sub-assembly.
NOTICE:
* Be careful not to damage the lip seal of the direct clutch balancer.
* Ensure that the clutch balancer is not pinched and there are no other defects at the sealing lip.
* Apply enough ATF to the sealing lip prior to installation.
(d) Place SST on the clutch balancer and compress the piston return spring with a press.
SST : 09387-00020
(e) Using a snap ring expander, install the snap ring to the direct clutch drum.
NOTICE:
* Stop the press when the spring seat is lowered to the place 1 to 2 mm (0.0393 to 0.0787 in.) from the snap ring groove. This prevents the spring seat from being deformed.
* Do not expand the snap ring excessively.
(f) Position the end gap of the snap ring in the piston as shown in the illustration.
NOTICE:
Ensure that the end gap of the snap ring is not aligned with any of the stoppers.
34. INSTALL OVERDRIVE DIRECT CLUTCH DISC
(a) Coat the 3 discs with ATF.
(b) Install the 3 plates, 3 discs and flange to the intermediate shaft.
NOTICE:
Be sure to install the plates, disks and flange in the correct order.
(c) Using a screwdriver, install the snap ring.
NOTICE:
The snap ring should be securely engaged in the groove of the drum.
35. INSTALL DIRECT MULTIPLE DISC CLUTCH DISC
(a) Coat the 3 discs with ATF.
(b) Install the cushion plate, 3 plates, 3 discs and flange to the intermediate shaft.
NOTICE:
* Install the cushion plate with the mark on the white surface facing the plate.
* Be sure to install the cushion plate, plates, disks and flange in the correct order.
(c) Using a screwdriver, install the snap ring.
NOTICE:
The snap ring should be securely engaged in the groove of the drum.
36. INSPECT PACK CLEARANCE OF DIRECT CLUTCH Transaxle Unit
37. INSPECT PACK CLEARANCE OF OVERDRIVE CLUTCH Transaxle Unit
38. INSTALL DIRECT CLUTCH ASSEMBLY
(a) Coat the thrust bearing with ATF.
(b) Install the direct clutch assembly and thrust bearing to the rear planetary sun gear assembly.
NOTICE:
The disc in the direct clutch should be completely matched with the hub attached outside the rear planetary sun gear. Otherwise, the rear cover cannot be installed.
(c) Clean the contact surfaces of the transaxle case and the rear cover.
(d) As shown in the illustration, place a straightedge on the direct clutch drum and measure the distance between the transaxle case and the straightedge using a vernier caliper (Dimension C).
(e) Using a vernier caliper and a simple straightedge, measure the dimension shown in the illustration.
(f) Calculate the end play value using the following formula. Select a thrust bearing which satisfies the specified end play value and install it.
End play:
0.199 to 0.970 mm (0.00783 to 0.0382 in.)
NOTICE:
Make sure that the uncolored race side is facing the direct clutch assembly.
HINT
End play = Dimension D - Dimension C
Bearing Thickness and Diameter:
39. INSTALL NO. 1 GOVERNOR APPLY GASKET
(a) Install 3 new No. 1 governor apply gaskets to the transaxle case.
40. INSTALL BRAKE APPLY TUBE
(a) Install the clamp to the brake apply tube.
NOTICE:
Make sure to install the clamp to the apply tube before installing the apply tube to the transaxle case. This prevents the apply tube from being deformed or damaged.
(b) Install the clutch apply tube.
(c) Install the brake apply tube to the transaxle case with the bolt.
Torque : 5.4 Nm (55 kgf-cm, 48 in-lbf)
NOTICE:
Each pipe should be securely inserted until it reaches the stopper.
41. INSTALL NEEDLE ROLLER BEARING
(a) Using SST and a press, install the needle roller bearing to the transaxle rear cover.
SST : 09950-60010
09951-00230
09952-06010
09951-00360
Press fit depth:
20.55 to 21.25 mm (0.8091 to 0.8366 in.)
NOTICE:
* Face the inscribed side of the bearing race up.
* Keep pressing until the specified value is obtained.
(b) Coat the needle roller bearing with ATF.
42. INSTALL REAR CLUTCH OIL SEAL RING
(a) Coat 3 new rear clutch oil seal rings with ATF, and install them to the transaxle rear cover.
NOTICE:
The rear clutch oil seal rings should be securely engaged in the grooves of the drum.
43. INSTALL NO. 1 TRANSAXLE CASE PLUG
(a) Install a new O-ring to each No. 1 transaxle case plug.
(b) Install the 4 No. 1 transaxle case plugs to the transaxle rear cover.
Torque : 7.4 Nm (75 kgf-cm, 65 in-lbf)
44. INSTALL TRANSAXLE REAR COVER SUB-ASSEMBLY
(a) Remove any packing material and keep the contact surfaces of the transaxle rear cover and the transaxle case away from oil.
(b) Apply FIPG to the cover.
FIPG:
Toyota Genuine Seal Packing 1281, Three Bond 1281 or Equivalent
NOTICE:
Apply FIPG in a continuous bead (width 1.2 mm (0.0472 in.)) along the sealing surface.
(c) Apply adhesive to the threads of bolt A.
Sealant:
Toyota Genuine Adhesive 1344, Three Bond 1344 or Equivalent
(d) Install the 11 bolts.
Bolt A - Torque : 19 Nm (190 kgf-cm, 14 ft-lbf)
Other bolts - Torque : 25 Nm (250 kgf-cm, 18 ft-lbf)
45. INSTALL NO. 2 UNDERDRIVE CLUTCH DISC
(a) Coat the 3 discs with ATF.
(b) Install the 3 discs, 3 plates and flange to the transaxle case.
NOTICE:
Be sure to install the disks, plates and flange in the correct order.
(c) Using a screwdriver, install the snap ring.
NOTICE:
The snap ring should be securely engaged in the groove of the drum.
46. INSPECT PACK CLEARANCE OF UNDERDRIVE BRAKE Transaxle Unit
47. INSPECT UNDERDRIVE ONE-WAY CLUTCH ASSEMBLY Transaxle Unit
48. INSTALL UNDERDRIVE ONE-WAY CLUTCH ASSEMBLY
(a) Install the outer race retainer to the one-way clutch.
NOTICE:
Securely install the outer race retainer onto the tooth of the one-way clutch.
(b) Install the one-way clutch to the transaxle case.
NOTICE:
Ensure that the outer race retainer and the mark on the transaxle case are aligned.
(c) Using a screwdriver, install the snap ring to the transaxle case.
NOTICE:
The snap ring should be securely engaged in the groove of the transaxle case.
49. INSTALL UNDERDRIVE CLUTCH DRUM O-RING
(a) Coat a new O-ring with ATF, and install it to the underdrive clutch drum.
NOTICE:
Install the O-ring carefully so that it is not twisted or pinched.
50. INSTALL UNDERDRIVE CLUTCH PISTON SET
(a) Coat the underdrive clutch piston with ATF, and install it to the underdrive clutch piston drum.
NOTICE:
* Be careful not to damage the O-ring.
* Be careful not to damage the lip seal of the piston.
51. INSTALL UNDERDRIVE CLUTCH RETURN SPRING SUB-ASSEMBLY
(a) Install the return spring to the underdrive clutch drum.
NOTICE:
After installing the spring sub-assembly, check all of the springs are fitted in the piston correctly.
(b) Coat the clutch balancer with ATF.
(c) Install the clutch balancer to the underdrive clutch drum.
NOTICE:
Be careful not to damage the lip seal of the clutch balancer.
(d) Place SST on the clutch balancer and compress the piston return spring with a press.
SST : 09350-32014
09351-32070
(e) Using a snap ring expander, install the snap ring to the underdrive clutch drum.
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. This prevents the spring seat from being deformed.
* Do not expand the snap ring excessively.
(f) Position the end gap of the snap ring in the underdrive clutch drum as shown in the illustration.
NOTICE:
The end gap of the snap ring should not be aligned with any of the stoppers.
52. INSTALL NO. 1 UNDERDRIVE CLUTCH DISC
(a) Coat the 3 discs with ATF.
(b) Install the 3 plates, 3 discs, and flange to the underdrive clutch drum.
NOTICE:
Be careful about the order of discs, plates, and flange.
53. INSTALL NO. 2 UNDERDRIVE CLUTCH FLANGE HOLE SNAP RING
(a) Using a screwdriver, install the No. 2 underdrive clutch flange hole snap ring.
(b) Check that the end gap of the snap ring is not aligned with one of the cutouts.
NOTICE:
The snap ring should be securely engaged in the groove of the drum.
54. INSTALL UNDERDRIVE CLUTCH ASSEMBLY
(a) Coat the bearing and bearing race with ATF, and install them onto the underdrive clutch.
Bearing and Bearing Race Diameter:
(b) Install the underdrive clutch assembly to the transaxle case.
NOTICE:
When installing the underdrive clutch drum sub-assembly, do not damage the oil seal ring.
55. INSTALL PARKING LOCK PAWL
(a) Install the pawl pin and spring to the parking lock pawl.
(b) Temporarily install the parking lock pawl, pin and spring to the transaxle case as shown in the illustration.
56. INSTALL UNDERDRIVE PLANETARY RING GEAR
(a) Install a new snap ring to the outer race of the tapered roller bearing.
HINT
If replacing the bearing, also replace the counter driven gear with a new one.
(b) Using a piston ring compressor, squeeze the snap ring.
(c) Using SST and a press, press in the outer race of the angular ball bearing.
SST : 09950-60020
09951-00890
SST : 09950-70010
09951-07100
NOTICE:
Do not damage the snap ring during installation of the outer race.
(d) Install the underdrive planetary ring gear to the counter driven gear.
(e) Using snap ring pliers, install the snap ring.
57. INSTALL UNDERDRIVE PLANETARY GEAR ASSEMBLY
(a) Using a press, press the angular ball bearing inner race (rear side) into the underdrive planetary gear.
SST : 09726-40010
SST : 09950-60010
09951-00260
SST : 09950-70010
09951-07100
(b) Install the counter driven gear with planetary ring gear to the underdrive planetary gear.
(c) Using SST and a press, press in the angular ball bearing inner race (front side).
SST : 09726-40010
SST : 09950-60010
09951-00260
SST : 09950-70010
09951-07100
NOTICE:
Press the counter driven gear while rotating it.
(d) Using a press, press in the parking lock gear.
SST : 09316-20011
SST : 09950-60010
09951-00260
SST : 09950-70010
09951-07100
NOTICE:
Press the counter driven gear while rotating it.
58. INSTALL DIFFERENTIAL DRIVE PINION
(a) Using a press, press in the differential drive pinion.
SST : 09726-40010
SST : 09950-60010
09951-00260
SST : 09950-70010
09951-07100
NOTICE:
Press the counter driven gear while rotating it.
59. INSTALL CYLINDRICAL ROLLER BEARING RACE INNER
(a) Using a press, press in the cylindrical roller bearing race inner.
SST : 09515-21010
SST : 09950-60010
09951-00260
SST : 09950-70010
09951-07100
NOTICE:
Press the counter driven gear while rotating it.
60. INSTALL FRONT PLANETARY GEAR NUT
(a) Clamp the underdrive planetary gear in a soft jaw vise.
NOTICE:
Be careful not to damage the differential drive pinion.
(b) Using a socket wrench, install a new gear nut.
Torque : 280 Nm (2855 kgf-cm, 207 ft-lbf)
HINT
Use a torque wrench with a fulcrum length of 750 mm (29.53 in.).
(c) Using a chisel and hammer, stake the gear nut.
CAUTION:
Be sure that there are no cracks on the nut.