BEARING POSITION
| Bearing diameter | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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INSTALL NO. 4 BRAKE PISTON
Coat 2 new O-rings with ATF, and install them to the brake reaction sleeve.
Coat 2 new O-rings with ATF, and install them to the No. 4 brake piston.
Install the No. 4 brake piston to the reaction sleeve.
INSTALL BRAKE REACTION SLEEVE
Coat a new O-ring with ATF, and install it to the reaction sleeve.
With the No. 1 brake piston underneath (the rear side), install the brake reaction sleeve and No. 1 brake piston to the transmission case.
Note
Be careful not to damage the O-rings.
INSTALL 1ST AND REVERSE BRAKE PISTON
Coat a new O-ring with ATF.
Install the O-ring on the 1st and reverse brake piston.
With the spring seat of the piston facing upwards (the front side), place the piston in the transmission case.
Note
Be careful not to damage the O-ring.
Place the piston return spring onto the No. 4 brake piston.
INSTALL 1ST AND REVERSE BRAKE RETURN SPRING SUB-ASSEMBLY
Place SST on the spring retainer, and compress the return spring.
Using SST, install the snap ring.
INSTALL REAR PLANETARY GEAR ASSEMBLY
Install the thrust needle roller bearing.
| Standard thrust needle roller bearing diameter | ||||||
|---|---|---|---|---|---|---|
|
Install the thrust needle roller bearing.
Coat the No. 9 thrust bearing race with petroleum jelly, and install it onto the rear planetary ring gear.
| Standard bearing and race diameter | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
Install the rear planetary gear assembly.
INSPECT PACK CLEARANCE OF FIRST AND REVERSE BRAKE
Make sure the 1st and reverse brake pistons move smoothly when applying and releasing the compressed air into the transmission case.
Using a vernier caliper, measure the level difference (length A) between the upper surface of the 1st and reverse brake piston and the hitting surface of the No. 4 brake flange at both ends across a diameter, and calculate the average.
Note
The 1st and reverse brake piston must be installed tightly to the end face of the transmission case.
Tech Tips
Length A = 36.35 to 37.09 mm (1.431 to 1.460 in.)
Using a vernier caliper, measure the thickness (length B) of the 2 brake flanges, the 7 No. 4 brake plates and the 8 No. 4 brake discs altogether at both ends across a diameter, and calculate the average.
Tech Tips
Pack clearance = Length A - Length B - 0.25 mm to 1.8 mm (0.010 to 0.071 in.)
Length B = 36.04 to 37.14 mm (1.419 to 1.462 in.)
| Pack clearance |
|---|
| 0.8 to 1.1 mm (0.031 to 0.043 in.) |
If the pack clearance is not within the standard, select and install a brake flange that makes the pack clearance within the standard.
| H thickness | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
INSTALL NO. 4 BRAKE DISC
Install the 2 flanges, 8 discs and 7 plates.
| Install in order |
|---|
| F - D - P - D - P - D- P - D -P - D - P - D - P - D - P - D - F |
Tech Tips
P = Plate
D = Disc
F = Flange
INSTALL BRAKE PLATE STOPPER SPRING
Install the brake stopper spring.
INSTALL REAR PLANETARY RING GEAR FLANGE SUB-ASSEMBLY
Install the No. 8 thrust bearing race, thrust needle roller bearing, No. 7 thrust bearing race and planetary ring gear flange to the intermediate shaft.
| Standard bearing and race diameter | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
INSTALL NO. 3 1-WAY CLUTCH ASSEMBLY
Install the No. 3 1-way clutch assembly and the 1-way clutch inner race to the intermediate shaft.
INSTALL INTERMEDIATE SHAFT
Install the intermediate shaft with the No. 3 1-way clutch assembly to the case.
Using SST, install the snap ring.
INSTALL CENTER PLANETARY GEAR ASSEMBLY
Install the center planetary gear assembly and planetary sun gear to the case.
Coat the thrust bearing race with petroleum jelly, and install it onto the center planetary ring gear.
| Standard race diameter | ||||||
|---|---|---|---|---|---|---|
|
INSTALL NO. 2 BRAKE PISTON
Coat 2 new O-rings with ATF, and install them to the No. 2 brake piston.
Be careful not to damage the O-rings. Press the No. 2 brake piston into the No. 2 brake cylinder with both hands.
Install the No. 2 brake piston to the case.
INSTALL NO. 2 BRAKE DISC
Install the brake piston return spring, 3 discs, 3 plates and flange.
| Install in order |
|---|
| D - P - D - P - D - P - F |
Tech Tips
D = Disc
P = Plate
F = Flange
Using SST and press, install the No. 2 brake spring snap ring.
INSTALL NO. 1 BRAKE PISTON
Coat 2 new O-rings with ATF, and install them on the No. 1 brake piston.
Be careful not to damage the O-rings. Press the No. 1 brake piston into the No. 1 brake cylinder with both hands.
INSTALL BRAKE PISTON RETURN SPRING SUB-ASSEMBLY
Install the brake piston return spring and No. 1 brake piston with No. 1 brake cylinder on the transmission case.
INSTALL BRAKE PISTON RETURN SPRING SNAP RING
Using SST and a press, install the brake piston return spring snap ring.
INSTALL NO. 1 BRAKE DISC
Install the 3 plates, 3 discs and flange.
| Install in order |
|---|
| P - D - P - D - P - D - F |
Tech Tips
P = Plate
D = Disc
F = Flange
INSTALL CENTER PLANETARY RING GEAR
Install the center planetary ring gear and front planetary ring gear flange on the front planetary ring gear.
Using a screwdriver, install the snap ring.
INSTALL FRONT PLANETARY RING GEAR
Install the front planetary ring gear and thrust needle roller bearing on the case.
| Standard thrust needle roller bearing diameter | ||||||
|---|---|---|---|---|---|---|
|
INSTALL FRONT PLANETARY GEAR ASSEMBLY
Install the thrust needle roller bearing and thrust washer.
Coat the thrust race with petroleum jelly, and install it onto the front planetary ring gear.
| Standard thrust needle roller bearing and race diameter | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
Install the front planetary gear assembly and 1-way clutch inner race from the case.
INSPECT NO. 1 PISTON STROKE OF BRAKE PISTON
Make sure the No. 1 brake piston moves smoothly when applying and releasing the compressed air into the transmission case.
Using a feeler gauge, measure the B3 brake pack clearance between the snap ring and flange.
| Standard piston stroke |
|---|
| 0.42 to 0.72 mm (0.017 to 0.028 in.) |
If the piston stroke is not within the specification, parts may have been reassembled incorrectly.
Perform the reassembly again.
If the piston stroke is still not within the specification, select another flange.
Tech Tips
There are 4 different thicknesses for the flange.
| Standard flange thickness | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
INSTALL 2ND BRAKE PISTON
Coat 2 new O-rings with ATF, and install them to the 2nd brake piston.
Be careful not to damage the O-rings. Press the 2nd brake cylinder into the 2nd brake piston with both hands.
Using SST and press, install the snap ring.
Note
Be sure the end gap of the snap ring is not aligned with the spring retainer claw.
INSTALL 2ND BRAKE CYLINDER
Install the 2nd brake cylinder to the case.
INSTALL 1-WAY CLUTCH ASSEMBLY
Install the 1-way clutch assembly and thrust washer to the case.
INSTALL 2ND BRAKE PISTON HOLE SNAP RING
Using SST, install the snap ring.
INSTALL NO. 3 BRAKE DISC
Install the flanges, 4 discs, 4 plates and cushion plate on the case.
| Install in order |
|---|
| C - P - D - P - D - P - D - P - D - F |
Tech Tips
C = Cushion
P = Plate
D = Disc
F = Flange
INSTALL NO. 3 BRAKE SNAP RING
Using a screwdriver, install the snap ring.
INSTALL NO. 2 1-WAY CLUTCH ASSEMBLY
Coat the race with petroleum jelly and install it onto the No. 2 clutch drum thrust washer.
Install the No. 2 1-way clutch assembly washer.
INSTALL CLUTCH DRUM AND INPUT SHAFT ASSEMBLY
Install the thrust needle roller bearing.
Coat the race with petroleum jelly and install it onto the clutch drum and input shaft assembly.
| Standard thrust needle roller bearing and diameter | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
Install the input shaft sub-assembly with the direct and reverse multiple disc assembly onto the transmission case.
INSTALL OIL PUMP ASSEMBLY
Install the No. 1 thrust bearing race to the front oil pump
| Standard No. 1 thrust bearing race diameter | ||||||
|---|---|---|---|---|---|---|
|
Coat a new O-ring with ATF, and install it around the oil pump assembly.
Place the oil pump through the input shaft, and align the bolt holes of the oil pump assembly with the transmission case.
Hold the input shaft, and lightly press the oil pump body to slide the oil seal rings into the overdrive direct clutch drum.
Note
Do not push on the oil pump strongly, as the oil seal ring will stick to the direct clutch drum.
Install the 10 bolts.
INSTALL MANUAL VALVE LEVER SHAFT OIL SEAL
Using SST, tap in 2 new oil seals.
Coat the oil seal lips with MP grease.
INSPECT INDIVIDUAL PISTON OPERATION INSPECTION
Check the operating sound while applying compressed air into the oil holes indicated in the illustration.
Tech Tips
When inspecting the O/D direct clutch, check with the C3 accumulator piston holes indicated in the illustration.
If there is no sound, disassembly and check the installation condition of the parts.
(1) No. 2 clutch (C2)
(2) No. 3 clutch (C3)
(3) No. 1 clutch (C1)
(4) No. 3 brake (B1)
(5) No. 1 brake (B1)
(6) No. 2 brake (B2)
(7) No. 4 brake (B4)
INSTALL MANUAL VALVE LEVER SUB-ASSEMBLY
Install a new spacer to the manual valve lever.
Install the manual valve lever shaft to the transmission case through the manual valve lever.
Using a hammer, tap in a new spring pin.
Align the manual valve lever indentation with the spacer hole, and stake them together with a punch and hammer.
Make sure the shaft rotates smoothly.
INSTALL PARKING LOCK PAWL SHAFT
Install the E-ring to the shaft.
Install the parking lock pawl, shaft and spring.
INSTALL PARKING LOCK ROD SUB-ASSEMBLY
Connect the parking lock rod to the manual valve lever.
INSTALL PARKING LOCK PAWL BRACKET
Place the parking lock pawl bracket onto the transmission case and torque the 3 bolts.
Shift the manual valve lever to the P position, and confirm that the planetary ring gear is correctly locked up by the lock pawl.
INSTALL C-1 ACCUMULATOR VALVE
Coat a new O-ring with ATF, and install it to the piston.
Install the spring and accumulator valve to the hole.
| Standard accumulator spring | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
INSTALL C-3 ACCUMULATOR PISTON
Coat 2 new O-rings with ATF, and install it to the piston.
Install the spring and accumulator piston to the hole.
| Standard accumulator spring | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
INSTALL B-3 ACCUMULATOR PISTON
Coat 2 new O-rings with ATF, and install them to the piston.
Install the spring and accumulator piston to the hole.
| Standard accumulator spring | ||||||
|---|---|---|---|---|---|---|
|
INSTALL C-2 ACCUMULATOR PISTON
Coat 2 new O-rings with ATF, and install them to the piston.
Install the spring and accumulator piston to the hole.
| Standard accumulator spring | ||||||
|---|---|---|---|---|---|---|
|
INSTALL CHECK BALL BODY
Install the check ball body and spring.
INSTALL BRAKE DRUM GASKET
Install the 3 brake drum gaskets.
INSTALL TRANSAXLE CASE GASKET
Install the 3 transaxle case gaskets.
INSTALL TRANSMISSION VALVE BODY ASSEMBLY
Align the groove of the manual valve with the pin of the lever.
Install the 19 bolts.
Tech Tips
Each bolt length is indicated below.
| Bolt length |
|---|
| 25 mm (0.98 in.) for bolt A |
| 36 mm (1.42 in.) for bolt B |
INSTALL TRANSMISSION WIRE
Install a new O-ring to the transmission wire.
Install the transmission wire harness.
Install the bolt.
Connect the solenoid connector.
Connect the 7 solenoid connectors.
Install the ATF temperature sensor.
Install the clamp and the 2 bolts.
Tech Tips
Each bolt length is indicated below.
| Bolt length |
|---|
| 36 mm (1.42 in.) for bolt A |
| 12 mm (0.47 in.) for bolt B |
INSTALL VALVE BODY OIL STRAINER ASSEMBLY
Coat a new O-ring with ATF, and install them to the valve body oil strainer assembly.
Install the oil strainer with the 4 bolts.
INSTALL TRANSMISSION OIL CLEANER MAGNET
Install the 4 transmission oil cleaner magnets.
INSTALL AUTOMATIC TRANSMISSION OIL PAN SUB-ASSEMBLY
Install a new gasket on the oil pan.
Install and torque the 20 bolts.
Install the drain plug.
INSTALL TRANSMISSION CASE ADAPTER OIL SEAL
Using SST and a hammer, tap in a new oil seal.
INSTALL TRANSMISSION CASE ADAPTER SUB-ASSEMBLY
Apply seal packing or equivalent to the 8 bolts.
| Seal packing |
|---|
| Toyota Genuine Seal Packing 1281, Three Bond 1281 or equivalent |
Install the transmission case adapter sub-assembly with the 8 bolts.
Tech Tips
Each bolt length is indicated below.
| Bolt length |
|---|
| 50 mm (1.969 in.) for bolt A |
| 40 mm (1.575 in.) for bolt B |
INSTALL AUTOMATIC TRANSMISSION HOUSING
Clean the threads of the bolts and case with white gasoline.
Install the transmission housing with the 10 bolts.
Tech Tips
Bolt A: 14 mm head
Bolt B: 17 mm head
Bolt C: 14 mm head
INSTALL AUTOMATIC TRANSAXLE BREATHER TUBE
Install a new O-ring to the breather tube.
Install the breather tube with the 3 bolts.
INSTALL SPEED SENSOR
Coat 2 new O-rings with ATF, and install it to the transmission revolution sensor.
Install the 2 transmission revolution sensor.
Install the 2 bolts.
INSTALL OIL COOLER TUBE UNION
Coat a new O-ring with ATF, and install it to oil cooler tube union.
Install the oil cooler tube union.
INSTALL PARK/NEUTRAL POSITION SWITCH ASSEMBLY
Tech Tips
Make sure that the manual valve lever shaft has not been rotated prior to installing the park/neutral position switch as the detent spring may become detached from the manual valve lever shaft.
Install the park/neutral position switch onto the manual valve lever shaft, and temporarily install the adjusting bolt.
Install a new lock washer. Install and torque the nut.
Push the control shaft rearward as much as possible.
Return the control shaft lever 2 notches to the N position.
Align the neutral basic line with the switch groove as shown in the illustration, and tighten the adjusting bolt.
Using a screwdriver, bend the tabs of the lock washer.
Tech Tips
Bend at least 2 of the lock washer tabs.
INSTALL TRANSMISSION CONTROL SHAFT LEVER LH
Install the washer and nut to the control shaft lever LH.