PROCEDURE
INSTALL TRANSFER FRONT DRIVE GEAR ASSEMBLY CYLINDRICAL ROLLER BEARING
for Rear transfer case side:
Using SST and a press, install a new transfer front drive gear assembly cylindrical roller bearing to the rear transfer case.
Note
Securely install so that it contacts the end of the rear transfer case.
Be careful of the straight pins when placing the case on the press.
Be careful not to damage the rear transfer case.
Using needle-nose pliers, install the transfer front drive gear snap ring to the rear transfer case.
for Front transfer case side:
Install the transfer front drive gear bearing and No. 3 transfer thrust bearing race to the front transfer case.
Using SST and a press, install a new transfer front drive gear assembly cylindrical roller bearing to the front transfer case.
Note
Securely install so that it contacts the end of the front transfer case.
Be careful not to damage the rear transfer case.
INSTALL TRANSFER FRONT CASE OIL SEAL
Using SST and a hammer, tap a new transfer front case oil seal into the front transfer case up to the standard value as shown in the illustration.
| Standard depth |
|---|
| 1.0 to 1.5 mm (0.0394 to 0.0590 in.) |
Note
Tap the transfer front case oil seal evenly so that the oil seal is straight.
Do not excessively tap the transfer front case oil seal.
Apply a small amount of MP grease No. 2 to the lip of the transfer front case oil seal.
INSTALL TRANSFER OUTPUT SHAFT COMPANION FLANGE OIL SEAL
INSTALL FORWARD CLUTCH DRUM OIL SEAL RING
Install the forward clutch drum oil seal ring to the front transfer case.
INSTALL TRANSFER COUNTER GEAR BEARING (for Front Transfer Case Side)
for Front transfer case side:
Using SST and a press, install a new transfer counter gear bearing (outer race) to the front transfer case.
Note
Securely install so that it contacts the end of the front transfer case.
Be careful not to damage the front transfer case.
Using SST and a press, install a new transfer counter gear bearing (inner race) to the front transfer case.
Note
Securely install so that it contacts the end of the transfer counter gear.
Be careful not to damage the transfer counter gear.
Tech Tips
Disassemble SST (09613-22011), and only use the pipe part.
for Rear transfer case side:
Using SST and a press, install a new transfer counter gear bearing (inner race) to the front transfer case.
Note
Securely install so that it contacts the end of the transfer counter gear.
Be careful not to damage the transfer counter gear.
Tech Tips
Install the transfer counter gear bearing (outer race) when adjusting the counter gear bearing preload.
ADJUST COUNTER GEAR BEARING PRELOAD
Install the transfer counter gear assembly to the front transfer case.
Using a vernier caliper and straightedge, measure the dimension (A) between the contact surface of the front transfer case and the end of the transfer counter gear bearing (outer race) with a load applied.
| *1 | Front Transfer Case | *2 | Transfer Counter Gear Bearing (Outer Race) |
| *a | Vernier Caliper | *b | Precision Straightedge |
| *c | Transfer Case Contact Surface | *d | Transfer Counter Gear Bearing (Outer Race) End |
Note
Before measuring, clean the contact surface of the transfer case so that there is no foreign matter.
Measure the transfer idler gear while it is uninstalled.
Do not add the thickness of the straightedge.
Tech Tips
Perform the measurement at 3 locations at intervals of 120° around the circumference of the outer race and calculate the average.
Using a vernier caliper and straightedge, measure the dimension (B) from the contact surface of the rear transfer case and front transfer case to the shim installation surface of the transfer counter gear assembly.
| *1 | Rear Transfer Case | - | - |
| *a | Vernier Caliper | *b | Precision Straightedge |
| *c | Rear Transfer Case and Front Transfer Case Contact Surface | *d | Transfer Counter Gear Assembly Shim Installation Surface |
Note
Do not add the thickness of the precision straightedge.
Using the formula below, calculate the thickness of the transfer counter gear shim and select an appropriate shim from the table.
| Transfer counter gear shim thickness |
|---|
| Dimension B - Dimension A |
| Transfer Counter Gear Shim Thickness | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Using SST and a press, install the shim and a new transfer counter gear bearing (outer race) to the rear transfer case.
Note
Securely install so that it contacts the end of the rear transfer case.
Be careful not to damage the rear transfer case.
Install the rear transfer case.
Clean and degrease the rear transfer case and front transfer case installation bolt holes.
Install the rear transfer case with the 7 bolts to the front transfer case.
| Bolt Length Beneath Head | ||||||
|---|---|---|---|---|---|---|
|
Install the output shaft companion flange sub-assembly.
Rotate the transfer counter gear assembly forwards and backwards to fit the transfer counter gear bearing.
Using a torque wrench, check the torque (counter gear preload) of the transfer counter gear bearing.
| Standard turning torque |
|---|
| 0.66 to 1.18 N*m (7 to 12 kgf*cm, 6 to 10 in.*lbf) |
Note
Measure the transfer idler gear while it is uninstalled.
Tech Tips
Measure the torque at approximately 60 r/min (1 rotation/second).
If the result is not as specified, select the transfer counter gear assembly shim and adjust.
Remove the output shaft companion flange sub-assembly.
Remove the 7 bolts and the rear transfer case cover from the front transfer case.
Remove the transfer counter gear assembly from the front transfer case.
INSTALL TRANSFER OIL PUMP PLATE SUB-ASSEMBLY
| *1 | Transfer Oil Pump Plate Sub-assembly |
| *2 | Front Transfer Case |
| *3 | Transfer Oil Pump Plate Pin |
| *4 | Transfer Oil Pump Drive Rotor |
| *5 | Transfer Oil Pump Driven Rotor |
Install the drive rotor and driven rotor to the front transfer case.
Install the plate pin to the oil pump plate.
Install the plate to the front transfer case.
Note
Align the position of transfer oil pump plate pin with the front transfer case and install it.
INSTALL TRANSFER IDLER GEAR BEARING (for Front Transfer Case Side)
for Front transfer case side:
Using SST and a press, install a new transfer idler gear bearing (outer race) to the front transfer case.
Note
Securely install so that it contacts the end of the front transfer case.
Be careful not to damage the front transfer case.
Using SST and a press, install a new transfer idler gear bearing (inner race) to the front transfer case.
Note
Securely install so that it contacts the end of the transfer idler gear.
Be careful not to damage the transfer idler gear bearing.
for Rear transfer case side:
Using SST and a press, install a new transfer idler gear bearing (inner race) to the front transfer case.
Note
Securely install so that it contacts the end of the transfer idler gear.
Be careful not to damage the transfer idler gear.
Tech Tips
Install the transfer idler gear bearing (outer race) when adjusting the idler gear bearing preload.
ADJUST IDLER GEAR
Install the transfer counter gear assembly to the front transfer case.
Install the transfer idler gear assembly to the front transfer case.
Using a vernier caliper and straightedge, measure the dimension (A) between the contact surface of the front transfer case and the end of the transfer idler gear bearing (outer race) with a load applied.
| *1 | Front Transfer Case | *2 | Transfer Idler Gear Bearing (Outer Race) |
| *a | Vernier Caliper | *b | Precision Straightedge |
| *c | Transfer Case Contact Surface | *d | Transfer Idler Gear Bearing (Outer Race) End |
Note
Before measuring, clean the contact surface of the transfer case so that there is no foreign matter.
Do not add the thickness of the straightedge.
Tech Tips
Measure the 3 places every 120° from any point on the circumference of the transfer idler gear bearing (outer race), and use the average value.
Using a vernier caliper and straightedge, measure the dimension (B) from the contact surface of the rear transfer case and front transfer case to the shim installation surface of the transfer idler gear.
| *1 | Rear Transfer Case | - | - |
| *a | Vernier Caliper | *b | Precision Straightedge |
| *c | Rear Transfer Case and Front Transfer Case Contact Surface | *d | Transfer Idler Gear Shim Installation Surface |
Note
Before measuring, clean the contact surface of the transfer case so that there is no foreign matter.
Do not add the thickness of the straightedge.
Using the following formula, calculate the plate thickness of the transfer idler gear shim and select from the table.
| Transfer Idler Gear Shim Thickness |
|---|
| Dimension (B) - Dimension (A) |
| Transfer Idler Gear Shim Type | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Using SST and a press, install a new transfer idler gear bearing (outer race) and transfer idler gear shim to the rear transfer case.
Note
Securely install so that it contacts the end of the rear transfer case.
Be careful not to damage the rear transfer case.
Install the rear transfer case
Clean and degrease the rear transfer case and front transfer case installation bolt holes.
Install the rear transfer case with the 7 bolts to the front transfer case.
| Bolt Length Beneath Head | ||||||
|---|---|---|---|---|---|---|
|
Install the output shaft companion flange sub-assembly.
Rotate the transfer idler gear forwards and backwards to fit the transfer idler gear bearing.
Using a torque wrench, check the torque (idler gear preload) of the transfer idler gear bearing.
| Standard turning torque |
|---|
| 1.54 to 2.64 N*m (16 to 26 kgf*cm, 14 to 23 in.*lbf) |
Note
Use the measured torque of the idler gear preload as the total preload for the transfer idler gear and transfer counter gear assembly.
Tech Tips
Measure the torque at approximately 60 r/min (1 rotation/second).
If the result is not as specified, select the transfer idler gear shim and adjust.
Remove the output shaft companion flange sub-assembly.
Remove the 7 bolts and the rear transfer case cover from the front transfer case.
Remove the transfer idler gear assembly from the front transfer case.
Remove the transfer counter gear assembly from the front transfer case.
INSTALL NO. 1 TRANSFER OIL STRAINER
Install the No. 1 transfer oil strainer to the front transfer case.
INSTALL TRANSFER OIL SEPARATOR
Install the transfer oil separator with the 3 bolts.
INSTALL DRIVE PINION COMPANION FLANGE OIL SEAL
Using SST and a hammer, tap a new drive pinion companion flange oil seal up to the standard value.
| Standard oil seal depth |
|---|
| 0 to 0.3 mm (0 to 0.0118 in.) |
Note
Tap in the drive pinion companion flange oil seal evenly so that the drive pinion companion flange oil seal is straight.
Do not excessively tap in the drive pinion companion flange oil seal.
Apply a small amount of MP grease to the lip of the drive pinion companion flange oil seal.
INSTALL TRANSFER OIL SEAL RING
Install the transfer oil seal ring to the transfer input shaft.
Note
Do not excessively widen the transfer oil seal ring.
INSTALL TRANSFER INPUT SHAFT
Install the transfer input shaft to the transfer front drive gear assembly.
INSTALL TRANSFER FRONT DRIVE GEAR PIN
Install the transfer front drive gear pin to the front transfer case.
INSTALL TRANSFER FRONT DRIVE GEAR ASSEMBLY
Install the transfer front drive gear assembly and transfer input shaft to the front transfer case.
INSTALL TRANSFER COUNTER GEAR ASSEMBLY
Install the transfer counter gear assembly to the front transfer case.
INSTALL TRANSFER OIL PUMP DRIVE SHAFT
Install the transfer oil pump drive shaft to the front transfer case.
INSTALL TRANSFER IDLER GEAR ASSEMBLY
Install the transfer idler gear assembly to the front transfer case.
INSTALL REAR TRANSFER CASE
Clean the bolt holes of the front transfer case.
| *a | Seal Packing 1281 (Approximately 1.2 mm diameter) |
Apply seal packing 1281 (approximately 1.2 mm diameter) to the points shown in the illustration.
Note
Clean and degrease the installation surface.
Install the rear transfer case with the 7 bolts to the front transfer case.
| Bolt Length Beneath Head | ||||||
|---|---|---|---|---|---|---|
|
Note
Tighten the bolts within 10 minutes after applying the seal packing.
INSTALL TRANSFER INPUT GEAR STOPPER
Install the transfer input gear stopper to the transfer input shaft.
INSTALL TRANSFER INPUT GEAR STOPPER SHAFT SNAP RING
Using a snap ring expander, install the transfer input gear stopper shaft snap ring to the transfer input shaft.
INSTALL BREATHER OIL DEFLECTOR
Install the breather oil deflector with the 2 bolts to the rear transfer case.
INSTALL TRANSFER OUTPUT SHAFT CYLINDRICAL ROLLER BEARING
Using SST and a press, install a new transfer output shaft cylindrical roller bearing to the transfer extension housing.
Note
Securely install so that it contacts the end of the transfer extension housing.
Be careful not to damage the transfer extension housing.
INSTALL NO. 1 DIFFERENTIAL CASE SUB-ASSEMBLY HOLE SNAP RING
Using needle-nose pliers, install the differential case sub-assembly No. 1 hole snap ring to the transfer extension housing.
INSTALL NO. 1 DIFFERENTIAL CASE SUB-ASSEMBLY
Install the No. 1 differential case sub-assembly to the rear transfer case.
INSTALL TRANSFER OUTPUT SHAFT SHIM
Install the transfer output shaft shim to the No. 1 differential case sub-assembly.
INSTALL NO. 2 TRANSFER THRUST BEARING RACE
Install the No. 2 transfer thrust bearing race to the No. 1 differential case sub-assembly.
Note
Make sure to install the No. 2 transfer thrust bearing race in the correct direction.
INSTALL DIFFERENTIAL CASE NEEDLE ROLLER BEARING
Install the differential case needle roller bearing to the No. 1 differential case sub-assembly.
Note
Make sure to install the differential case needle roller bearing in the correct direction.
INSTALL TRANSFER OUTPUT SHAFT WASHER
Install the 2 transfer output shaft washers to the No. 1 differential case sub-assembly.
INSTALL NO. 1 TRANSFER THRUST BEARING RACE
Install the No. 1 transfer thrust bearing race to the No. 1 differential case sub-assembly.
ADJUST TRANSFER OUTPUT SHAFT SHIM
Using a vernier caliper and straightedge, measure the dimension (A) between the contact surface of the transfer extension housing and the installation surface of the No. 1 transfer thrust bearing race.
| *1 | Transfer Extension Housing | - | - |
| *a | Vernier Caliper | *b | Precision Straightedge |
| *c | Transfer Extension Housing Contact Surface | *d | No. 1 Transfer Thrust Bearing Race Installation Surface |
Note
Before measuring, clean the contact surface of the transfer case so that there is no foreign matter.
Do not add the thickness of the straightedge.
Using a vernier caliper and straightedge, measure the dimension (B) from the No. 1 transfer thrust bearing race to the extension housing connection surface of the rear transfer case.
| *1 | No. 1 Transfer Thrust Bearing Race | *2 | Rear Transfer Case |
| *a | Vernier Caliper | *b | Precision Straightedge |
| *c | No. 1 Transfer Thrust Bearing Race | *d | Rear Transfer Case Extension Housing Contact Surface |
Note
Do not add the thickness of the straightedge.
Using the following formula, calculate the plate thickness of the transfer output shaft shim and select from the table.
| Transfer output shim thickness |
|---|
| Dimension A - Dimension B |
| Transfer Output Shim Thickness | ||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
INSTALL TRANSFER EXTENSION HOUSING
Clean and degrease the rear transfer case transfer extension housing installation bolt holes.
| *a | Seal Packing 1281 (Approximately 1.2 mm diameter) |
Apply seal packing 1281 (approximately 1.2 mm diameter) to the points shown in the illustration.
Note
Clean and degrease the installation surface.
Install the transfer extension housing and bracket to the transfer case with the 8 bolts (A) and 3 new bolts (B).
| Bolt Length Beneath Head | ||||||
|---|---|---|---|---|---|---|
|
Note
Tighten the bolts within 10 minutes after applying the seal packing.
INSTALL TRANSFER EXTENSION HOUSING OIL SEAL
INSTALL DRIVE PINION COMPANION FLANGE SUB-ASSEMBLY
INSTALL OUTPUT SHAFT COMPANION FLANGE SUB-ASSEMBLY
INSTALL NO. 2 TRANSFER CASE PLUG
Using a 17 mm straight hexagon wrench, install a new gasket and the case plug to the rear transfer case.
INSTALL TRANSFER CASE BREATHER PLUG
Using SST and a hammer, install the transfer case breather plug to the front transfer case.
Note
Securely install so that it contacts the end of the rear transfer case.
INSTALL TRANSFER DRAIN PLUG
Using a 10 mm hexagon socket wrench, install a new transfer drain plug gasket and the drain plug to the rear transfer case.
INSTALL TRANSFER FILLER PLUG
Using a 10 mm hexagon socket wrench, install a new filler plug gasket and the filler plug to the rear transfer case.
INSTALL TRANSFER CASE PLUG
| *a | Front Transfer Case Upper Side |
| *b | Front Transfer Case Lower Side |
Using a 6 mm hexagon socket wrench, install 2 new O-rings and the 2 transfer case plugs to the front transfer case.