PROCEDURE
INSTALL TRANSFER LOW PLANETARY RING GEAR
Install the low planetary ring gear to the front transfer case.
Using a screwdriver, install the snap ring.
INSTALL PIN
Install the pin.
INSTALL COMPRESSION SPRING
Install the spring.
INSTALL TRANSFER CASE PLUG
Install the transfer case plug.
INSTALL TRANSFER OUTPUT SHAFT PLATE WASHER
Install the washer.
INSTALL TRANSFER DRIVE SPROCKET BEARING
Install the bearing.
INSTALL TRANSFER DRIVE SPROCKET SUB-ASSEMBLY
Install the transfer drive sprocket.
INSTALL NO. 1 TRANSFER OUTPUT SHAFT SPACER
Install the output shaft spacer.
INSTALL REAR TRANSFER OUTPUT SHAFT RADIAL BALL BEARING
| *1 | Groove |
|
Rear |
Using SST and a press, install a new bearing.
Note
Install the bearing so that the bearing snap ring groove faces the rear.
INSTALL TRANSFER OUTPUT SHAFT PLATE WASHER
Install the washer.
INSTALL TRANSFER OUTPUT SHAFT FRONT NEEDLE ROLLER BEARING
Install the needle roller bearing.
INSTALL TRANSFER CLUTCH HUB
Install the transfer clutch hub.
INSTALL CENTER DIFFERENTIAL CASE
Install the center differential case.
INSTALL TRANSFER OUTPUT SHAFT SPACER BALL
Install the ball.
INSTALL NO. 2 TRANSFER OUTPUT SHAFT SPACER
Install the spacer.
Using a snap ring expander, install the snap ring.
INSPECT DRIVE SPROCKET RADIAL CLEARANCE
Using a dial indicator, measure the radial clearance of the drive sprocket.
| Standard clearance |
|---|
| 0.01 to 0.06 mm (0.000394 to 0.0236 in.) |
| Maximum clearance |
|---|
| 0.06 mm (0.0236 in.) |
If the clearance is more than the maximum, replace the drive sprocket, rear output shaft or bearing.
INSPECT DRIVE SPROCKET THRUST CLEARANCE
Using a feeler gauge, measure the thrust clearance of the drive sprocket.
| Standard clearance |
|---|
| 0.15 to 0.24 mm (0.00591 to 0.00944 in.) |
| Maximum clearance |
|---|
| 0.24 mm (0.00944 in.) |
If the clearance is more than the maximum, replace the drive sprocket.
INSTALL TRANSFER INPUT SHAFT BEARING
Using SST and a press, install a new bearing with the groove facing forward.
INSTALL TRANSFER INPUT BEARING SHAFT SNAP RING
Select a new snap ring that allows minimal axial play.
| Standard Snap Ring Thickness | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Using a snap ring expander, install the snap ring.
INSTALL TRANSFER LOW PLANETARY GEAR SPLINE PIECE
Using a screwdriver, install the low planetary gear spline piece and snap ring.
INSTALL TRANSFER LOW PLANETARY GEAR BEARING
Using SST and a press, press in a new low planetary gear bearing.
| Press in depth |
|---|
| 7.7 to 8.3 mm (0.304 to 0.326 in.) |
INSTALL NO. 1 TRANSFER INPUT SHAFT SEAL RING
Apply gear oil to 2 new seal rings.
Install the 2 seal rings to the input shaft.
Note
When installing the seal ring, make sure not to expand it so that its inner diameter exceeds 65 mm (2.55 in.).
INSTALL TRANSFER LOW PLANETARY GEAR THRUST BEARING
Install the bearing.
|
Front |
INSTALL NO. 1 TRANSFER THRUST BEARING RACE
Install the thrust bearing race.
INSTALL TRANSFER INPUT SHAFT
Install the transfer input shaft.
INSTALL MANUAL TRANSFER PLANETARY CARRIER WASHER
Install the washer.
INSTALL TRANSFER INPUT GEAR STOPPER BALL
Install the ball.
INSTALL TRANSFER INPUT GEAR STOPPER
Install the input gear stopper.
INSTALL TRANSFER INPUT GEAR STOPPER SHAFT SNAP RING
Select a new input gear stopper shaft snap ring that allows 0.05 to 0.15 mm (0.00197 to 0.00590 in.) of axial play.
| Standard Snap Ring Thickness | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Using a snap ring expander, install the snap ring.
INSTALL LOW PLANETARY GEAR ASSEMBLY WITH TRANSFER INPUT SHAFT SUB-ASSEMBLY
Install the low planetary gear together with the input shaft.
Using a snap ring expander, install the shaft snap ring.
INSTALL TRANSFER OIL PUMP GEAR
Install the transfer oil pump gear.
INSTALL TRANSFER OIL PUMP BODY O-RING
Coat a new O-ring with gear oil and install it to the oil pump body.
INSTALL TRANSFER OIL PUMP BODY SUB-ASSEMBLY
Install the oil pump body with the 3 bolts.
INSTALL TRANSFER CASE MAGNET
INSTALL TRANSFER OIL SEPARATOR SUB-ASSEMBLY
Install the oil separator with the 3 bolts.
INSTALL FILLER PLUG
Install a new gasket and the filler plug.
INSTALL DRAIN PLUG
Install a new gasket and the drain plug.
INSTALL TRANSFER SHIFT ACTUATOR ASSEMBLY
Install a new O-ring to the transfer shift actuator assembly.
Install the transfer shift actuator assembly with the 3 bolts.
Using a screwdriver and hammer, tap on the 2 snap rings.
INSTALL TRANSFER INPUT GEAR RADIAL BALL BEARING
Using SST and a press, install a new input gear radial ball bearing.
INSTALL TRANSFER DRIVEN SPROCKET BEARING
Using SST and a press, install a new driven sprocket bearing.
INSTALL REAR OUTPUT SHAFT SUB-ASSEMBLY, FRONT DRIVE CHAIN AND DRIVEN SPROCKET SUB-ASSEMBLY
Install the rear output shaft and drive sprocket to the front drive chain.
Install the rear output shaft, front drive chain and driven sprocket to the rear transfer case.
Tech Tips
Check that the rear output shaft and driven sprocket turn without much effort.
Using a snap ring expander, install the snap ring.
Note
Make sure that the snap ring is firmly installed to the groove.
INSTALL CENTER DIFFERENTIAL LOCK FORK SUB-ASSEMBLY WITH FRONT DRIVE CLUTCH SLEEVE
Install the center differential lock fork and front drive clutch sleeve.
|
Front |
Note
Install the clutch sleeve in the correct direction.
Install the bolt.
Using a screwdriver and hammer, drive in the snap ring.
INSTALL NO. 2 TRANSFER GEAR SHIFT FORK SUB-ASSEMBLY WITH TRANSFER HIGH AND LOW CLUTCH SLEEVE
Install the No. 2 gear shift fork and high and low clutch sleeve.
|
Front |
Note
Install the clutch sleeve in the correct direction.
Install the bolt.
INSTALL TRANSFER OUTPUT SHAFT FRONT NEEDLE ROLLER BEARING
Install the needle roller bearing to the input shaft.
INSTALL TRANSFER OUTPUT SHAFT SPACER
Install the transfer output shaft spacer to the input shaft.
INSTALL REAR TRANSFER CASE
| *1 | Seal Packing |
Apply seal packing to the rear transfer case as shown in the illustration.
| Seal packing |
|---|
| Toyota Genuine Seal Packing 1281, Three Bond 1281 or equivalent |
Note
If the removed rear transfer case is reused, be sure to perform the following before reinstalling it: 1) using a knife, cut off any old seal packing on the rear transfer case contact surface, 2) clean off any remaining old seal packing from the rear transfer case contact surface, and 3) reapply seal packing to the rear transfer case.
Install the clamp and rear transfer case with the 12 bolts.
Note
Tighten the bolts of the rear transfer case within 10 minutes of applying the seal packing. The seal packing will dry very quickly.
INSTALL COLLAR
Install the collar.
INSTALL TRANSFER OUTPUT SHAFT WASHER
Install the 2 washers.
INSTALL TRANSFER EXTENSION HOUSING SUB-ASSEMBLY
| *1 | Seal Packing |
Apply seal packing to the extension housing as shown in the illustration.
| Seal packing |
|---|
| Toyota Genuine Seal Packing 1281, Three Bond 1281 or equivalent |
Note
If the removed extension housing is reused, be sure to perform the following before reinstalling it: 1) using a knife, cut off any old seal packing on the housing contact surface, 2) clean off any remaining old seal packing from the housing contact surface, and 3) reapply seal packing to the housing.
Apply adhesive to the threads of the bolts.
| Adhesive |
|---|
| Toyota Genuine Adhesive 1344, Three Bond 1344 or equivalent |
Install the extension housing with the 5 bolts.
Note
Tighten the bolts of the extension housing within 10 minutes of applying the seal packing. The seal packing will dry very quickly.
INSTALL TRANSFER CASE REAR OIL SEAL
INSTALL REAR TRANSFER OUTPUT SHAFT COMPANION FLANGE OIL SEAL
Using SST and a hammer, tap in a new oil seal.
Coat the lip of the oil seal with MP grease.
INSTALL REAR OUTPUT SHAFT COMPANION FLANGE SUB-ASSEMBLY
Apply gear oil to the connecting areas of the companion flange and output shaft.
Install the companion flange to the output shaft.
|
Rear |
Using SST to hold the companion flange, install a new lock nut.
| *a | Correct |
| *b | Incorrect |
Using a chisel and hammer, stake the lock nut.
Note
Securely stake the shaft to the lock nut groove.
Be careful not to damage the parts around the lock nut.
Do not apply excessive force to the shaft.
INSTALL TRANSFER CASE FRONT OIL SEAL
INSTALL FRONT TRANSFER OUTPUT SHAFT COMPANION FLANGE OIL SEAL
Using SST and a hammer, tap in a new oil seal.
Coat the lip of the oil seal with MP grease.
INSTALL FRONT OUTPUT SHAFT COMPANION FLANGE SUB-ASSEMBLY
Apply gear oil to the connecting areas of the companion flange and driven sprocket.
Install the companion flange to the driven sprocket.
|
Front |
Using SST to hold the companion flange, install a new lock nut.
| *a | Correct |
| *b | Incorrect |
Using a chisel and hammer, stake the lock nut.
Note
Securely stake the shaft to the lock nut groove.
Be careful not to damage the parts around the lock nut.
Do not apply excessive force to the shaft.
INSTALL BREATHER OIL DEFLECTOR
Install the oil deflector.
INSTALL TRANSFER CASE COVER SUB-ASSEMBLY
Install the case cover with the 4 bolts.
INSTALL TRANSFER BEARING RETAINER OIL SEAL RH
for A750F, AC60F, G52F, R150F:
Using SST and a hammer, drive in a new transfer bearing retainer oil seal RH until its surface is flush with the retainer upper surface.
for RA61F:
Using SST and a hammer, tap in 2 new transfer bearing retainer oil seals RH A and B as shown in the illustration.
| *1 | Oil Seal A |
for oil seal A:
| Drive in depth (A) |
|---|
| 43 to 44 mm (1.70 to 1.73 in.) |
| *1 | Oil Seal B |
for oil seal B:
| Drive in depth (B) |
|---|
| 53.5 to 54 mm (2.11 to 2.12 in.) |
Coat the lip of the transfer bearing retainer oil seal RH with MP grease.
INSTALL TRANSFER BEARING RETAINER SUB-ASSEMBLY RH
for RA61F:
Install a new O-ring to the transfer bearing retainer sub-assembly RH.
Note
Apply MP grease to the O-ring when installing the transfer onto the transmission.
| *1 | Seal Packing |
Apply seal packing to the transfer bearing retainer sub-assembly RH as shown in the illustration.
| Seal packing |
|---|
| Toyota Genuine Seal Packing 1281, Three Bond 1281 or equivalent |
Note
If the removed transfer bearing retainer sub-assembly RH is reused, be sure to perform the following before reinstalling it: 1) using a knife, cut off any old seal packing on the retainer contact surface, 2) clean off any remaining old seal packing from the retainer contact surface, and 3) reapply seal packing to the transfer bearing retainer sub-assembly RH.
Apply sealant to the bolt threads.
| Sealant |
|---|
| Toyota Genuine Adhesive 1344, Three Bond 1344 or equivalent |
Install the transfer bearing retainer sub-assembly RH with the 5 bolts.
Note
Tighten the bolts of the transfer bearing retainer sub-assembly RH within 10 minutes of applying the seal packing. The seal packing will dry very quickly.
INSTALL HOSE
Attach the clamp and install the hose.