Rear Differential Carrier Assembly (For Lsd) Reassembly

Measure the differential case LH and RH dimensions labeled X shown in the illustration.

Install the 3 thrust washers and 2 clutch plates to the side gear.

Using SST to press down the thrust washers and clutch plates with a force of approximately 98 N (10 kgf, 22 lbf), measure dimension "Y" shown in the illustration.

SST

09649-17010

Referring to the following table, select the proper adjusting shim.

Standard Adjusting Shim Thickness:

Adjusting shim thickness = X - Y - 19.08 mm (0.751 in.)

Mark	Specified Condition
A	0.20 mm (0.00787 in.)
B	0.25 mm (0.00984 in.)
C	0.30 mm (0.0118 in.)
D	0.35 mm (0.0138 in.)

Install the thrust washers, clutch plates and adjusting shim to the side gear.

HINT:

When installing the adjusting shim, make sure the surface with no oil groove faces the differential case side.

Install the side gear to the differential case.

Install the 4 pinion gears and thrust washers to the spider.

Align the spring retainer holes with the straight pins and install the retainer.

Install the spider assembly to the differential case.

HINT:

Install the spider to the differential case tightly and do not move the spring retainer.

Using the dial indicator, measure the side gear backlash while holding the side gear and spider.

Standard backlash:

0.02 to 0.15 mm (0.000788 to 0.00590 in.)

HINT:

1. Measure at all 4 pinion gear locations.
   
2. Measure the backlash at the differential case LH and RH.
   
3. Apply hypoid gear oil LSD to each sliding surface and rotating part.
   

Install the spider assembly to the differential case LH.

HINT:

Install the spider to the differential case LH tightly and do not move the spring retainer.

Install the compression spring and spring retainer RH.

Install the side gear assembly RH.

NOTICE:

1. Be careful not to drop the side gear.
   
2. Check the pinion and side gear alignment.
   

Align the matchmarks and assemble the differential case LH and RH.

Install the 8 bolts and tighten them uniformly, a little at a time.

Torque:

47 N*m{480 kgf*cm, 35 ft.*lbf}

Using SST and a press, press the RH side bearing (inner race) into the differential case.

SST

09710-30050
09950-70010(09951-07150)

Using SST and a press, press the LH side bearing (inner race) into the differential case.

SST

09710-30050
09950-60010(09951-00480)
09950-70010(09951-07150)

Clean the threads of the bolts and differential case with non-residue solvent.

Clean the contact surface of the differential case and ring gear.

Heat the ring gear to about 100°C (212°F) in boiling water.

Carefully take the ring gear out of the boiling water.

After the moisture on the ring gear has completely evaporated, quickly align the matchmarks on the ring gear and differential case and set the ring gear onto the differential case. Then temporarily install the 12 bolts so that the bolt holes in the ring gear and differential case are aligned.

After the ring gear cools down sufficiently, remove the 12 bolts. Then apply thread lock adhesive to the 12 bolts and install them.

Thread lock:

Toyota Genuine Adhesive 1360 K, Three Bond 1360 K or equivalent

Torque:

137 N*m{1397 kgf*cm, 101 ft.*lbf}

Place the bearing outer races on their respective bearings.

HINT:

Do not interchange the left and right outer races.

Install the assembled plate washers to the side bearing.

Install the differential case to the differential carrier.

HINT:

If it is difficult to install the differential case to the carrier, replace the plate washer with a thinner one. However, select a plate washer that allows no clearance between it and the carrier.

Align the matchmarks on the bearing caps and differential carrier.

Install and uniformly tighten the 4 bolts a little at a time.

Using a dial indicator, measure the ring gear runout.

Maximum runout:

0.05 mm (0.00197 in.)

Remove the differential case.

Using SST and a press, press in the bearing (outer race).

SST

09950-60020(09951-00890)
09950-70010(09951-07150)

Using SST and a press, press in the bearing (outer race).

SST

09950-60020(09951-00890)
09950-70010(09951-07150)

Install the washer to the drive pinion.

HINT:

After installing the washer, check the tooth contact pattern. If necessary, replace the washer with one of a different thickness.

Using SST and a press, press the rear bearing (inner race) into the drive pinion.

SST

09506-35010

Install the drive pinion, front bearing (inner race) and oil slinger.

HINT:

Install the spacer and oil seal after adjusting the gear contact pattern.

Using SST, install the companion flange.

SST

09950-30012(09951-03010,09953-03010,09954-03010,09955-03030,09956-03040)

Using SST to hold the companion flange in place, then slowly tighten the nut within the drive pinion preload adjustment range so that it reaches the specified drive pinion preload (at Starting).

SST

09330-00021(09330-00030)

Limit Torque Value:

441 N*m (4497 kgf*cm, 325 ft.*lbf) or less

NOTICE:

1. Apply hypoid gear oil LSD to the nut.
   
2. As there is no spacer, tighten a little at a time, being careful not to overtighten it.
   

Using a torque wrench, measure the preload.

Standard Preload (at Starting):

Bearing	Specified Condition
New	1.04 to 1.69 N*m (11 to 17 kgf*cm, 10 to 14 in.*lbf)
Reused	0.85 to 1.37 N*m (9 to 13 kgf*cm, 8 to 12 in.*lbf)

HINT:

Measure the total preload after turning the bearing clockwise and counterclockwise several times to make the bearing smooth.

Place the bearing outer races on their respective bearings.

HINT:

Do not interchange the left and right outer races.

Install the differential case to the carrier.

HINT:

Make sure that there is backlash between the ring gear and drive pinion.

Install the 2 adjusting nuts to the carrier, making sure the nuts are threaded properly.

Align the matchmarks on the bearing caps and carrier. Screw in the 4 bearing cap bolts 2 or 3 turns and press down the bearing caps by hand.

HINT:

If the bearing caps do not fit tightly on the carrier, the adjusting nuts are not engaged properly. Reinstall the adjusting nuts if necessary.

Tighten the 4 bolts.

Torque:

90 N*m{918 kgf*cm, 66 ft.*lbf}

Loosen the 4 bolts to the point where the adjusting nuts can be turned by SST.

SST

09504-00011

Using SST, tighten the adjusting nut on the ring gear side until the ring gear has a backlash of about 0.2 mm (0.00787 in.).

While turning the ring gear, use SST to tighten the adjusting nut on the drive pinion side. After the bearings are settled, loosen the adjusting nut on the drive pinion side.

Place a dial indicator on the top of the adjusting nut on the ring gear side.

SST

09504-00011

Adjust the side bearing to 0 preload by tightening the other adjusting nut until the pointer on the indicator begins to move.

Using SST, tighten the adjusting nut 1 to 1.5 notches from the 0 preload position.

SST

09504-00011

Using a dial indicator, adjust the ring gear backlash until it is within the specification.

SST

09504-00011

Standard backlash:

0.10 to 0.20 mm (0.00394 to 0.00787 in.)

HINT:

The backlash is adjusted by turning the left and right adjusting nuts by an equal amount. For example, loosen the nut on the left side 1 notch and tighten the nut on the right side 1 notch.

Tighten the 4 bearing cap bolts.

Torque:

90 N*m{918 kgf*cm, 66 ft.*lbf}

After rotating the ring gear 5 turns or more, recheck the ring gear backlash.

Standard backlash:

0.10 to 0.20 mm (0.00394 to 0.00787 in.)

Using a torque wrench, measure the preload with the teeth of the drive pinion and ring gear in contact.

Standard Drive Pinion Preload (at Starting):

Bearing	Specified Condition
New	1.42 to 2.32 N*m (15 to 23 kgf*cm, 13 to 20 in.*lbf)
Reused	1.23 to 2.00 N*m (13 to 20 kgf*cm, 11 to 17 in.*lbf)

Coat 3 or 4 teeth at 3 different positions on the ring gear with Prussian blue.

Turn the companion flange in both directions to inspect the ring gear for proper tooth contact.

Standard Washer Thickness:

Specified Condition	Specified Condition
1.04 to 1.06 mm (0.0410 to 0.0417 in.)	1.315 to 1.335 mm (0.0518 to 0.0525 in.)
1.065 to 1.085 mm (0.0420 to 0.0427 in.)	1.34 to 1.36 mm (0.0528 to 0.0535 in.)
1.09 to 1.11 mm (0.0430 to 0.0437 in.)	1.365 to 1.385 mm (0.0538 to 0.0545 in.)
1.115 to 1.135 mm (0.0439 to 0.0446 in.)	1.39 to 1.41 mm (0.0548 to 0.0555 in.)
1.14 to 1.16 mm (0.0449 to 0.0456 in.)	1.415 to 1.435 mm (0.0557 to 0.0564 in.)
1.165 to 1.185 mm (0.0459 to 0.0466 in.)	1.44 to 1.46 mm (0.0567 to 0.0574 in.)
1.19 to 1.21 mm (0.0469 to 0.0476 in.)	1.465 to 1.485 mm (0.0577 to 0.0584 in.)
1.215 to 1.235 mm (0.04789 to 0.0486 in.)	1.49 to 1.51 mm (0.0587 to 0.0594 in.)
1.24 to 1.26 mm (0.0489 to 0.0496 in.)	1.515 to 1.535 mm (0.0597 to 0.0604 in.)
1.265 to 1.285 mm (0.0498 to 0.0505 in.)	1.54 to 1.56 mm (0.0607 to 0.0614 in.)
1.29 to 1.31 mm (0.0508 to 0.0515 in.)	-

Using SST to hold the flange, remove the nut.

SST

09330-00021(09330-00030)

Using SST, remove the companion flange.

SST

09950-30012(09951-03010,09953-03010,09954-03010,09955-03030,09956-03040)

Using SST, remove the front bearing (inner race) from the drive pinion.

SST

09556-22010

Install a new spacer to the drive pinion.

Using SST and a hammer, tap in the bearing (outer race).

SST

09316-60011(09316-00011,09316-00021)

Install the bearing (inner race).

Using SST and a hammer, tap in a new oil seal.

SST

09214-76011

Standard oil seal depth:

0.05 to 0.95 mm (0.00197 to 0.0374)

Coat the lip of the oil seal with MP grease.

Using SST, install the companion flange.

SST

09950-30012(09951-03010,09953-03010,09954-03010,09955-03030,09956-03040)

Coat the threads of a new nut with hypoid gear oil.

Using SST to hold the companion flange in place, then slowly tighten the nut within the drive pinion preload adjustment range so that it reaches the specified drive pinion preload (at Starting).

SST

09330-00021(09330-00030)

Limit Torque Value:

441 N*m (4497 kgf*cm, 325 ft.*lbf) or less

Using a torque wrench, measure the preload.

Standard Preload (at Starting):

Bearing	Specified Condition
New	1.04 to 1.69 N*m (11 to 17 kgf*cm, 10 to 14 in.*lbf)
Reused	0.85 to 1.37 N*m (9 to 13 kgf*cm, 8 to 12 in.*lbf)

Using a torque wrench, measure the preload with the teeth of the drive pinion and ring gear in contact.

Standard Drive Pinion Preload (at Starting):

Bearing	Specified Condition
New	1.42 to 2.32 N*m (15 to 23 kgf*cm, 13 to 20 in.*lbf)
Reused	1.23 to 2.00 N*m (13 to 20 kgf*cm, 11 to 17 in.*lbf)

Using a dial indicator, measure the ring gear backlash.

Standard backlash:

0.10 to 0.20 mm (0.00394 to 0.00787 in.)

HINT:

Measure at 3 or more positions around the circumference of the ring gear.

Using a dial indicator, measure the runout of the companion flange vertically and laterally.

Maximum Runout:

Runout	Specified Condition
Vertical runout	0.10 mm (0.00394 in.)
Lateral runout	0.10 mm (0.00394 in.)

Using a chisel and hammer, stake the nut.

Install 2 new nut locks to the bearing caps.

Install the 2 bolts, and bend the nut locks.

Torque:

13 N*m{130 kgf*cm, 9 ft.*lbf}