REMOVE CENTER EXHAUST PIPE ASSEMBLY
Remove the center exhaust pipe assembly Click here.
REMOVE PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY
Depress the brake pedal and hold it.
| *1 | Piece of Cloth |
Using a hexagon wrench (6 mm), loosen the cross groove joint set bolts 1/2 turn.
Note
Put a piece of cloth or equivalent into the inside of the universal joint cover so that the boot does not touch the inside of the universal joint cover.
Do not remove the bolts.
| *1 | Matchmark |
Place matchmarks on the rear propeller shaft and electromagnetic control coupling assembly.
Remove the 4 nuts and 4 washers.
Using a brass bar and a hammer, separate the propeller with center bearing shaft assembly.
Remove the 4 bolts, 2 No. 1 center support bearing washers and 2 No. 2 center support bearing washers.
Note
When removing the bolts and washers, do not apply excessive force to the universal joint.
Pull out the propeller with center bearing shaft assembly from the transfer.
Note
When removing the propeller shaft, do not apply excessive force to the universal joint.
During and after the removal of the propeller shaft, keep the universal joint angle straight (within 15 degrees).
Be careful not to damage the oil seal.
Insert SST into the transfer to prevent oil leaks.
Note
Be careful not to damage the oil seal.
DRAIN DIFFERENTIAL OIL
Using a hexagon wrench (10 mm), remove the rear differential carrier cover plug and gasket.
Using a hexagon wrench (10 mm), remove the rear differential drain plug and gasket, then drain the differential oil.
Using a hexagon wrench (10 mm), install the rear differential drain plug with a new gasket.
Using a hexagon wrench (10 mm), temporarily install the rear differential carrier cover plug.
Tech Tips
Add differential oil before installing a new gasket and fully tightening the rear differential carrier cover plug.
REMOVE ELECTRO MAGNETIC CONTROL COUPLING SUB-ASSEMBLY
Disconnect the electro magnetic control coupling sub-assembly connector and vacuum hose.
Note
Do not damage the electro magnetic control coupling wire harness.
Remove the 4 bolts.
Using a brass bar and a hammer, tap the electro magnetic control coupling sub-assembly to remove the electro magnetic control coupling sub-assembly from the rear differential carrier assembly.
Note
Do not drop the electro magnetic control coupling sub-assembly.
REMOVE TRANSMISSION COUPLING CONICAL SPRING WASHER
| *1 | Transmission Coupling Conical Spring Washer |
Remove the transmission coupling conical spring washer from the rear differential carrier assembly.
REMOVE TRANSMISSION COUPLING SPACER
| *1 | Transmission Coupling Spacer |
Remove the transmission coupling spacer from the rear differential carrier assembly.
REMOVE DIAPHRAGM OIL SEAL
Using SST, remove the diaphragm oil seal.
INSTALL DIAPHRAGM OIL SEAL
Using SST and a hammer, install a new diaphragm oil seal.
| Oil seal driven in depth (A) |
|---|
| 0.7 to 1.3 mm (0.0276 to 0.0512 in.) |
Apply MP grease to the lip of the new diaphragm oil seal.
INSTALL TRANSMISSION COUPLING SPACER
| *1 | Transmission Coupling Spacer |
Install the transmission coupling spacer to the rear differential carrier assembly.
Note
Keep the transmission coupling spacer free of oil and foreign matter.
INSTALL TRANSMISSION COUPLING CONICAL SPRING WASHER
| *1 | Transmission Coupling Conical Spring Washer |
Install the transmission coupling conical spring washer to the rear differential carrier assembly.
Note
Install the transmission coupling conical spring washer so that the marked surface faces the front of the vehicle (coupling side).
Keep the transmission coupling conical spring washer free of oil and foreign matter.
INSTALL ELECTRO MAGNETIC CONTROL COUPLING SUB-ASSEMBLY
Using a scraper and wire brush, remove the seal packing from the rear differential carrier assembly and electro magnetic control coupling sub-assembly.
Note
Do not scratch the installation area.
Using a non-residue solvent, remove grease and oil from the contact surfaces of the rear differential carrier assembly and the electro magnetic control coupling sub-assembly.
Apply seal packing to the areas indicated in the illustration of the electro magnetic control coupling sub-assembly.
| Seal packing |
|---|
| Toyota Genuine Seal Packing 1281, Three Bond 1281 or equivalent |
Note
Stop applying seal packing after allowing it to overlap with the beginning of the bead by at least 10 mm (0.394 in.) within range (A) in the illustration.
Make sure that the clearance from the center of the bead is within 1 mm (0.0394 in.).
Install the electro magnetic control coupling sub-assembly within 10 minutes after applying seal packing.
Apply seal packing in a continuous bead 2 to 3 mm (0.0787 to 0.118 in.) in diameter.
Tech Tips
(B) : 1.0 mm (0.0394 in.)
(C) : 2.0 mm (0.0787 in.)
(D) : 3.0 mm (0.118 in.)
(E) : 5.0 mm (0.197 in.)
Apply hypoid gear oil to the splines of the rear drive pinion.
Install the electro magnetic control coupling sub-assembly with the 4 bolts.
Note
Do not damage the contact surfaces of the diaphragm oil seal, stud bolt or electro magnetic control coupling sub-assembly.
Connect the electro magnetic control coupling sub-assembly connector and vacuum hose.
Note
Do not damage the electro magnetic control coupling wire harness.
ADD DIFFERENTIAL OIL
Remove the rear differential carrier cover plug.
Add differential oil Click here.
INSPECT AND ADJUST DIFFERENTIAL OIL
Stop the vehicle in a level place.
Check that the oil level is between 0 and 5 mm (0 and 0.197 in.) from the bottom lip of the rear differential carrier cover plug opening.
Note
When adding differential oil, make sure that the vehicle is level.
An excessively large or small amount of differential oil may cause damage.
After adding differential oil, drive the vehicle and recheck the oil level.
Inspect for oil leak if the oil level is low.
INSTALL REAR DIFFERENTIAL CARRIER COVER PLUG
Using a hexagon wrench (10 mm), install the rear differential carrier cover plug and a new gasket.
INSPECT FOR DIFFERENTIAL OIL LEAK
TEMPORARILY TIGHTEN PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY
Remove SST from the transfer.
Install the propeller with center bearing shaft assembly.
Note
Be careful not to damage the oil seal.
Be careful not to damage the universal joint boot when installing the propeller shaft.
| *1 | Matchmark |
Align the matchmarks on the rear propeller shaft and electromagnetic control coupling assembly and install the 4 nuts and 4 washers temporarily.
Note
Do not allow grease to adhere to be bolts or washers.
Temporarily install the propeller with center bearing shaft assembly with the 4 bolts, 2 No. 1 center support bearing washers and 2 No. 2 center support bearing washers.
Note
Reuse the washers.
Do not allow grease to adhere to be bolts or washers.
Fully tighten the 4 nuts.
FULLY TIGHTEN PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY
Remove the piece of cloth or equivalent from the universal joint.
Depress the brake pedal and hold it.
Using a hexagon wrench (6 mm), tighten the 6 bolts.
With the vehicle unloaded, adjust the dimension between the rear side of the cover and shaft as shown in the illustration.
| Length A |
|---|
| 65.5 to 70.5 mm (2.579 to 2.776 in.) |
| *1 | No. 1 Center Support Bearing Assembly |
| *2 | No. 2 Center Support Bearing Assembly |
With the vehicle unloaded, adjust the front and rear dimensions between the edge surface of the center support bearing and the edge surface of the cushion respectively as shown in the illustration, and then tighten the bolts.
| Length A |
|---|
| 11.5 to 13.5 mm (0.453 to 0.532 in.) |
Check that the center line of the bracket is at a right angle to the shaft axial direction.
Fully tighten the 4 bolts.
INSTALL CENTER EXHAUST PIPE ASSEMBLY
Install the center exhaust pipe assembly Click here.
INSPECT AND ADJUST TRANSFER OIL
Inspect and adjust transfer oil Click here.
INSPECT FOR TRANSFER OIL LEAK