ASSEMBLE DIFFERENTIAL CASE
Install the rear differential side gear thrust washer to the rear differential side gear.
Install the rear differential pinion thrust washer and rear differential pinion to the rear differential spider.
Fix the differential case RH in place.
Install the rear differential side gear and rear differential spider to the differential case RH.
Using a dial indicator, measure the differential case RH side backlash while pushing the pinion toward the case.
| Standard backlash |
|---|
| 0.05 to 0.20 mm (0.00197 to 0.00787 in.) |
Remove the rear differential spider from the differential case RH.
Install the rear differential side gear and rear differential spider to the differential case LH.
Using a dial indicator, measure the differential case LH side backlash while pushing the pinion toward the case.
| Standard backlash |
|---|
| 0.05 to 0.20 mm (0.00197 to 0.00787 in.) |
If the backlash is not within the specification, install 2 side gear thrust washers of a different thickness.
| Standard Thrust Washer | ||||||||
|---|---|---|---|---|---|---|---|---|
|
Align the matchmarks and assemble the differential case from the RH and LH cases.
| *a | Matchmark |
Using a plastic-faced hammer, install the differential case.
Install the 8 bolts.
| 47 N*m | 480 kgf*cm | 35 ft.*lbf |
INSTALL DIFFERENTIAL RING GEAR
Clean the contact surfaces of the differential case and ring gear.
Heat the ring gear in water that is approximately 100°C (212°F).
Carefully remove the ring gear from the boiling water.
After the moisture on the ring gear has completely evaporated, quickly install the ring gear to the differential case.
Align the matchmarks on the ring gear with that of the differential case.
| *a | Matchmark |
After the ring gear cools down sufficiently, apply adhesive to the 12 bolts and install them.
| Adhesive |
|---|
| Toyota Genuine Adhesive 1360K, Three Bond 1360K or equivalent |
| 97 N*m | 985 kgf*cm | 71 ft.*lbf |
INSTALL REAR DIFFERENTIAL CASE BEARING
Using SST and a press, press the bearing onto the differential case.
| 09308-14010 | |
| 09950-60010 | 09951-00490 |
INSPECT DIFFERENTIAL RING GEAR RUNOUT
Install the differential case to the carrier and install the 2 plate washers so that there is no play in the bearing.
Install the 2 bearing caps with the 4 bolts.
| 103 N*m | 1049 kgf*cm | 76 ft.*lbf |
Using a dial indicator, measure the runout of the ring gear.
| Maximum runout |
|---|
| 0.07 mm (0.00276 in.) |
Remove the 2 bearing caps, 2 plate washers and differential case.
INSTALL REAR DRIVE PINION FRONT TAPERED ROLLER BEARING
Using SST and a press, press in the roller bearing (outer) to the carrier.
| 09308-14010 |
| 09309-14040 |
INSTALL REAR DRIVE PINION REAR TAPERED ROLLER BEARING
Install the plate washer to the carrier.
First, install a washer with the same thickness as the removed washer, and then check the tooth contact pattern. Replace the washer with one of a different thickness if necessary.
Using SST and a press, press the roller bearing (outer) into the carrier.
| 09950-70010 | 09951-07200 |
| 09255-10012 |
INSTALL REAR DRIVE PINION REAR TAPERED ROLLER BEARING
Using SST and a press, press the roller bearing (inner) onto the drive pinion.
| 09309-14040 |
ADJUST DIFFERENTIAL DRIVE PINION PRELOAD
Install the drive pinion, rear drive pinion tapered roller bearing and rear differential drive pinion oil slinger.
Install the spacer and oil seal after adjusting the gear contact pattern.
Using SST, install the companion flange.
| 09950-30012 | 09951-03010 | 09953-03010 | 09954-03010 | 09955-03030 | 09956-03040 |
Before using SST (center bolt), apply hypoid gear oil LSD to its threads and tip.
Using a 30 mm socket wrench, adjust the drive pinion preload by tightening the companion flange nut.
Using SST to hold the companion flange in place, tighten the nut.
| 09330-00021 |
| 457 N*m | 4660 kgf*cm | 337 ft.*lbf | or less |
As there is no spacer, tighten the nut a little at a time. Be careful not to overtighten the nut.
Apply hypoid gear oil LSD to drive pinion thread and seat face.
Using a torque wrench, measure the preload.
| Standard Preload (at Starting) | ||||||
|---|---|---|---|---|---|---|
|
For a more accurate measurement, rotate the bearing forward and backward several times before measuring.
INSTALL DIFFERENTIAL CASE ASSEMBLY
Place the 2 bearing outer races on their respective bearings.
Do not interchange the right and left races.
ADJUST RING GEAR BACKLASH
Install the plate washer on the side without the ring gear teeth.
Make sure that the ring gear has backlash.
Using a dial indicator, while holding the companion flange, measure the ring gear backlash.
| Standard backlash (reference) |
|---|
| 0.10 to 0.20 mm (0.00394 to 0.00787 in.) |
Select a plate washer for the side without the ring gear teeth using the backlash as a reference.
Select a plate washer for the side with the ring gear teeth so that there is no clearance between the outer race and case.
Using a plastic-faced hammer, install the plate washer for the side with the ring gear teeth.
Using a dial indicator, while holding the companion flange, measure the ring gear backlash.
| Standard backlash |
|---|
| 0.10 to 0.20 mm (0.00394 to 0.00787 in.) |
If the backlash is not within the specification, adjust it by either increasing or decreasing the thickness of the washers on both sides by an equal amount.
There should be no clearance between the plate washer and case.
Make sure that there is ring gear backlash.
ADJUST SIDE BEARING PRELOAD
Remove the ring gear teeth side plate washer and, using a micrometer, measure the thickness.
Using the backlash as a reference, select a new washer that is 0.05 to 0.20 mm (0.00197 to 0.00787 in.) thicker than the removed washer and, using a plastic-faced hammer, tap it in so that it fits against the bearing.
Select a washer which can be pressed in 2/3 of the full amount with your finger.
Recheck the ring gear backlash.
| Standard backlash |
|---|
| 0.10 to 0.20 mm (0.00394 to 0.00788 in.) |
If the backlash is not within the specification, adjust it by either increasing or decreasing the thickness of the washers on both sides by an equal amount.
An approximately 0.02 mm (0.000787 in.) change in each plate washer results in a 0.03 mm (0.00118 in.) change in the backlash.
| Standard Washer | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
INSTALL BEARING CAP
Align the matchmarks on the cap and carrier.
| *a | Matchmark |
Install the 2 bearing caps with the 4 bolts.
| 103 N*m | 1049 kgf*cm | 76 ft.*lbf |
After rotating the ring gear 5 times or more, recheck the backlash.
INSPECT DIFFERENTIAL RING GEAR RUNOUT
Using a dial indicator, measure the runout of the ring gear.
| Maximum runout |
|---|
| 0.07 mm (0.00276 in.) |
If the runout is more than the maximum, replace the ring gear.
INSPECT TOTAL PRELOAD
Using a torque wrench, measure the preload with the teeth of the drive pinion and ring gear in contact.
| Standard total preload (at starting) |
|---|
| Drive pinion preload plus 0.20 to 0.40 N*m (2.0 to 4.1 kgf*cm, 1.8 to 3.5 in.*lbf) |
If necessary, disassemble and inspect the differential.
INSPECT TOOTH CONTACT BETWEEN RING GEAR AND DRIVE PINION
Coat 3 or 4 teeth at 3 different positions on the ring gear with Prussian blue.
Hold the companion flange firmly in place and rotate the ring gear in both directions.
Inspect the tooth contact pattern.
If the teeth are not engaged properly, use the following chart to select a proper washer.
| *1 | Plate Washer |
| *2 | Rear Drive Pinion Rear Tapered Roller Bearing (Outer) |
| Standard Plate Washer | ||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
REMOVE REAR DRIVE PINION NUT
Using SST to hold the companion flange in place, remove the nut.
| 09330-00021 |
REMOVE REAR DRIVE PINION COMPANION FLANGE SUB-ASSEMBLY
Using SST, remove the rear drive pinion companion flange sub-assembly.
| 09950-30012 | 09951-03010 | 09953-03010 | 09954-03010 | 09955-03030 | 09956-03040 |
Before using SST (center bolt), apply hypoid gear oil to its threads and tip.
REMOVE REAR DIFFERENTIAL DRIVE PINION OIL SLINGER
REMOVE REAR DRIVE PINION FRONT TAPERED ROLLER BEARING (INNER)
Using SST, remove the rear drive pinion tapered roller bearing (inner).
| 09556-22010 |
Using SST, tap out the rear drive pinion tapered roller bearing (outer).
| 09308-55010 |
REMOVE REAR DRIVE PINION FRONT TAPERED ROLLER BEARING (OUTER)
INSTALL REAR DIFFERENTIAL DRIVE PINION BEARING SPACER
Install a new bearing spacer to the drive pinion.
INSTALL DIFFERENTIAL OIL STORAGE RING
Using SST, tap in a new oil storage ring.
| 09308-14010 |
INSTALL REAR DRIVE PINION FRONT TAPERED ROLLER BEARING (INNER)
INSTALL REAR DRIVE PINION FRONT TAPERED ROLLER BEARING (OUTER)
INSTALL REAR DIFFERENTIAL DRIVE PINION OIL SLINGER
INSTALL REAR DIFFERENTIAL CARRIER OIL SEAL
Apply MP grease to a new oil seal.
Using SST and a hammer, tap in the oil seal.
| 09554-30011 |
| Standard oil seal depth |
|---|
| -0.3 to 0.3 mm (-0.0118 to 0.0118 in.) |
INSTALL REAR DRIVE PINION COMPANION FLANGE SUB-ASSEMBLY
Using SST, install the companion flange to the drive pinion.
| 09950-30012 | 09951-03010 | 09953-03010 | 09954-03010 | 09955-03030 | 09956-03040 |
| *a | Turn |
| *b | Hold |
Before using SST (center bolt), apply hypoid gear oil to its threads and tip.
Coat the threads of a new nut with hypoid gear oil.
Using SST to hold the flange, tighten the nut.
| 09330-00021 |
| 457 N*m | 4660 kgf*cm | 337 ft.*lbf | or less |
INSPECT DRIVE PINION PRELOAD
Using a torque wrench, measure the preload of the backlash between the drive pinion and ring gear.
| Standard Preload (at Starting) | ||||||
|---|---|---|---|---|---|---|
|
If the result not as specified, replace the bearing spacer.
If the preload is less than the minimum, retighten the nut with 13 N*m (130 kgf*cm, 9 ft.*lbf) of torque at a time until the specified preload is reached.
| 457 N*m | 4660 kgf*cm | 337 ft.*lbf | or less |
If the maximum torque is exceeded while retightening the nut, replace the bearing spacer and repeat the preload adjusting procedure.
Do not loosen the pinion nut to reduce the preload.
INSPECT TOTAL PRELOAD
Using a torque wrench, measure the preload with the teeth of the drive pinion and ring gear in contact.
| Standard total preload (at starting) |
|---|
| Drive pinion preload plus 0.20 to 0.40 N*m (2.0 to 4.1 kgf*cm, 1.8 to 3.5 in.*lbf) |
If necessary, disassemble and inspect the differential.
INSPECT DIFFERENTIAL RING GEAR BACKLASH
Using a dial indicator, check the backlash of the ring gear.
| Standard backlash |
|---|
| 0.10 to 0.20 mm (0.00394 to 0.00787 in.) |
If the backlash is not as specified, adjust the side bearing preload or perform repairs as necessary.
Perform the measurement at 3 or more positions around the circumference of the ring gear.
INSPECT RUNOUT OF REAR DRIVE PINION COMPANION FLANGE SUB-ASSEMBLY
Using a dial indicator, measure the runout of the drive pinion companion flange vertically and laterally.
| Distance from center to runout measurement point |
|---|
| 30 mm (1.18 in.) |
| Maximum Runout | ||||||
|---|---|---|---|---|---|---|
|
| *a | Vertical Runout |
| *b | Lateral Runout |
If the runout is more than the maximum, replace the companion flange.
STAKE DRIVE PINION NUT
Using a chisel and hammer, stake the nut.