Nissan Murano: Unit Disassembly and Assembly / Ring Gear Shaft

Exploded View

	Oil seal		Transfer cover		Filler plug
	Gasket		Drain plug		Oil seal
	O-ring		Ring gear bearing adjusting shim (transfer cover side)		Ring gear bearing (transfer cover side)
	Drive shaft oil seal		Ring gear shaft		Ring gear bearing (transfer case side)
	Ring gear bearing adjusting shim (transfer case side)		Ring gear		Baffle plate
	Transfer case		Plug		O-ring
	Oil seal		Dowel pin		Drive pinion
	Drive pinion adjusting shim		O-ring		Pinion bearing assembly
	Oil seal		Dust cover		Companion flange
	Pinion lock nut
	Oil seal lip		Comply with the assembly procedure when tightening. Refer to Disassembly and Assembly.
: N·m (kg-m, in-lb)
: N·m (kg-m, ft-lb)
: Always replace after every disassembly.
: Apply gear oil.
*: Apply anti-corrosive oil.
: Apply multi-purpose grease.
: Select with proper thickness.

DISASSEMBLY

Remove transfer cover assembly. Refer to Disassembly and Assembly.

Remove ring gear bearing outer race (transfer cover side) and ring gear bearing adjusting shim (transfer cover side) from the transfer cover. Refer to Disassembly and Assembly.

Remove ring gear shaft assembly from the transfer case.

Remove ring gear bearing outer race (transfer case side) and ring gear bearing adjusting shim (transfer case side) from the transfer case. Refer to Disassembly and Assembly.

Remove ring gear bearing inner race (transfer cover side) from ring gear shaft with drift (A) (commercial service tool) and bearing separator (commercial service tool).

Remove ring gear bearing inner race (transfer case side) from ring gear shaft with Tool (A) and puller (commercial service tool).

Remove the ring gear mounting bolts.

Lightly tap ring gear with a plastic hammer to remove ring gear from the ring gear shaft.

Remove drive shaft oil seal from the ring gear shaft using Tool (A).

Perform inspection after disassembly. Refer to Inspection.

ASSEMBLY

Using drift (A) (commercial service tool), install drive shaft oil seal within the dimension (L) shown as follows.

CAUTION:

• Do not reuse the oil seal.

• When installing, Do not incline oil seal.

• Apply multi-purpose grease onto oil seal lips, and gear oil onto the circumference of the oil seal.

Select ring gear bearing adjusting shim (transfer case side) and ring gear bearing adjusting shim (transfer cover side). Refer to Adjustment.

Assemble the selected ring gear bearing adjusting shim (transfer case side) and ring gear bearing outer race (transfer case side) to transfer case. Refer to Disassembly and Assembly.

CAUTION:

• Do not reuse ring gear bearing.

• Apply gear oil to the ring gear bearing.

Assemble the selected ring gear bearing adjusting shim (transfer cover side) and ring gear bearing outer race (transfer cover side) to transfer cover. Refer to Disassembly and Assembly.

CAUTION:

• Do not reuse ring gear bearing.

• Apply gear oil to the ring gear bearing.

Install the ring gear to ring gear shaft, and tighten mounting bolts to the specified torque.

Install ring gear bearing inner race (transfer cover side) with drift (A) (commercial service tool).

CAUTION:

• Do not reuse ring gear bearing.

• Apply gear oil to the ring gear bearing.

Install the ring gear bearing inner race (transfer case side) to ring gear shaft with drift (A) (commercial service tool).

CAUTION:

• Do not reuse ring gear bearing.

• Apply gear oil to the ring gear bearing.

Install the ring gear shaft assembly to the transfer case.

CAUTION:

Protect transfer case oil seals beforehand from being damaged by the spline of ring gear shaft below method following.

CAUTION:

Do not wrap sliding surfaces on oil seal.

Install transfer cover to check and adjust each part. Refer to Disassembly and Assembly.

NOTE:

At this timing, O-ring installing to transfer cover is not necessary. Install O-ring after backlash and tooth contact are checked.

Check backlash, tooth contact, total preload and companion flange runout. Refer to Adjustment.

CAUTION:

Measure the total preload without oil seals of transfer cover and transfer case.

Reinstall transfer cover for installing O-ring. Refer to Disassembly and Assembly.

After installing transfer case oil seals, remove wrapped vinyl from the spline of ring gear shaft.

INSPECTION AFTER DISASSEMBLY

Check items below. If necessary, replace them with new ones.

Gear and Shaft

Check gear face and shaft for wear, cracks, damage, and seizure.

CAUTION:

If malfunction is detected on the ring gear or drive pinion, replace the ring gear and drive pinion as a set.

Bearing

Check for seizure, peeling, wear, corrosion, sticking, unusual noise, roughness in hand turning, and other damage.

CAUTION:

When replacing the bearing, always replace the inner race and outer race as a pair.

Shim

Check for seizure, damage, and unusual wear.

Replace defective parts as necessary.