Nissan Juke (2016 year). Service Repair Manual — part 144
CENTER STEM ASSEMBLY
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[REAR FINAL DRIVE: RTVS]
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Disassembly
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1. Remove carrier brackets.
2. Remove electric controlled couplings. Refer to
.
3. Remove breather tube and breathers.
CAUTION:
Remove breather tube and breathers only when necessary.
4. Remove side oil seal with the suitable oil seal remover.
CAUTION:
Never damage gear carrier and rear cover.
5. Remove rear cover mounting bolts.
6. Set the drifts (A and B) to the right and left side bearing adjusting
shims individually. Press center stem assembly with side bear-
ing to remove gear carrier assembly and rear cover assembly.
CAUTION:
The pressure shall be as low as possible to remove gear
carrier assembly and rear cover assembly. The maximum
pressure shall be 10 kN (1 ton, 1.0 Imp ton).
NOTE:
Center stem assembly, side bearings, and adjusting shims are
compressed and integrated in gear carrier and rear cover.
7. Remove drain plug and filler plug, if necessary.
8. Remove side bearing adjusting shims and outer races of side bearing .
CAUTION:
Mark the side bearing adjusting shims so that the original mounting positions (right/left) can be
identified later.
9. Remove inner race of side bearing (right), using the puller (A),
the replacer (B) and the drift (C).
: Apply anti-corrosive oil.
: Apply Genuine Silicone RTV or equivalent. Refer to
GI-22, "Recommended Chemical Products and Sealants"
.
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A : Drift [SST: KV38109820 (
—
)]
B : Drift [SST: KV38109810 (
—
)]
A : Puller (Commercial service tool)
B : Replacer (Commercial service tool)
C : Drift [SST: ST33052000 (
—
)]
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CENTER STEM ASSEMBLY
10. Remove inner race of side bearing (left), using the puller (A), the
replacer (B) and the drift (C).
11. Remove center stem from drive gear, using the drift (A) [SST:
ST33220000 (J-25804-01)].
12. Perform inspection after disassembly. Refer to
Assembly
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1. Press center stem to drive gear, using the drift (A) [SST:
ST33052000 (
—
)].
2. Press inner race of side bearing (right) to center stem assembly,
using the drift (A) (Commercial service tool).
CAUTION:
• Never reuse side bearing.
• Apply gear oil to side bearing.
A : Puller (Commercial service tool)
B : Replacer (Commercial service tool)
C : Drift [SST: ST02371000 (
—
)]
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CENTER STEM ASSEMBLY
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3. Press inner race of side bearing (left) to center stem assembly,
using the drift (A) (Commercial service tool).
CAUTION:
• Never reuse side bearing.
• Apply gear oil to side bearing.
4. Install side bearing adjusting shims (2 pieces for right side) with
the same thickness as the ones installed prior to disassembly or
re-install the old ones, with outer race of side bearing to center
stem assembly.
If side bearing adjusting shims have been already selected, use
them.
CAUTION:
• Never reuse side bearing.
• Apply gear oil to side bearing.
5. Set the drifts (A and B) to the right and left side bearing adjusting
shims individually. Press center stem assembly with side bear-
ing to install gear carrier assembly to center stem assembly.
CAUTION:
• The drift shall be placed on the center of the adjusting
shims.
• The pressure shall be as low as possible to install differ-
ential assembly into gear carrier assembly. The maximum
pressure shall be 10 kN (1 ton, 1.0 Imp ton).
• If the adjusting shims are installed by tapping, the gear carrier may be damaged. Avoid tapping.
6. Install dummy cover set, check and adjust drive gear runout, tooth contact, backlash, and total preload
7. Remove dummy cover set.
8. Apply liquid gasket (1) to mating surface of rear cover.
• Use Genuine Silicone RTV or equivalent. Refer to
"Recommended Chemical Products and Sealants"
CAUTION:
• Remove old gasket adhering to the mounting surfaces.
Also remove any moisture, oil, or foreign material adher-
ing to the mounting surfaces.
• The width of sealant bend is approximately 3 mm (0.012
in). Apply sealant evenly.
9. Set the drifts (A and B) to the right and left side bearing adjusting
shims individually. Compress center stem assembly with side
bearing to install rear cover.
CAUTION:
• The drift shall be placed on the center of the adjusting
shims.
• The pressure shall be as low as possible to install the rear
cover. The maximum pressure shall be 10 kN (1 ton, 1.0
Imp ton).
• If rear cover is forced in by tapping, rear cover may be damaged by adjusting shims. Avoid tap-
ping.
10. Tighten rear cover mounting bolts to the specified torque.
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A : Drift [SST: KV38109820 (
—
)]
B : Drift [SST: KV38109810 (
—
)]
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A : Drift [SST: KV38109820 (
—
)]
B : Drift [SST: KV38109810 (
—
)]
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CENTER STEM ASSEMBLY
11. Install side oil seal (right) until it becomes flush with the gear car-
rier end, using the drift (A) [SST: ST33400001 (J-26082)].
CAUTION:
• Never reuse oil seal.
• When installing, never incline oil seal.
• Apply multi-purpose grease onto oil seal lips, and gear oil
onto the circumference of oil seal.
12. Install side oil seal (left) until it becomes flush with the gear car-
rier end, using the drift (A) [SST: KV38100500 (
—
)].
CAUTION:
• Never reuse oil seal.
• When installing, never incline oil seal.
• Apply multi-purpose grease onto oil seal lips, and gear oil
onto the circumference of oil seal.
13. Set gasket to drain plug. Install it to gear carrier.
CAUTION:
Never reuse oil gasket.
14. Set gasket to filler plug. Install it to gear carrier.
CAUTION:
• Never reuse oil gasket.
• After oil is refilled, tighten filler plug to specified torque.
15. Install carrier brackets.
16. Install electric controlled coupling. Refer to
17. Check total preload torque. Refer to
.
18. Install breather tube (1) and breathers (2) with the paint mark (A)
facing vehicle rear within the angle (B) shown as follows.
Adjustment
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TOTAL PRELOAD TORQUE
1. Before inspection and adjustment, drain gear oil.
2. Remove electric controlled couplings. Refer to
.
3. Rotate drive pinion back and forth 2 to 3 times to check for unusual noise and rotation malfunction.
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Angle (B)
: 0 – 15
°
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CENTER STEM ASSEMBLY
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4. Rotate drive pinion at least 20 times to check for smooth opera-
tion of the bearing.
5. Measure the total preload, using the preload gauge (A) [SST:
ST3127S000 (J-25765-A)].
NOTE:
Total preload torque = Pinion bearing torque + Side bearing
torque
• If measured value is out of the specification, disassemble it to
check and adjust each part. Adjust the pinion bearing preload and side bearing preload.
Adjust the pinion bearing preload first, then adjust the side bearing preload.
DRIVE GEAR RUNOUT
1. Remove rear cover. Refer to
.
2. Following the procedure below, install the dummy cover set [SST: KV381096S0 (
—
)] to gear car-
rier.
a. Temporarily install the bearing guides [SST: KV38109610 (
—
), KV38109620 (
—
)] to
gear carrier.
b. Position the dummy cap spacers [SST: KV38109630 (
—
), KV38109640 (
—
)] and the
angle [SST: KV38109650 (
—
)] to bearing guide.
c. Use rear cover mounting bolts, tighten bolts to the specified torque. Refer to
.
d. Tighten dummy cap spacer mounting bolts evenly to the specified torque.
3. Fit a dial indicator to the drive gear back face.
4. Rotate the drive gear to measure runout.
• If the runout is outside of the repair limit, check drive gear
assembly condition; foreign material may be caught between
drive gear and center stem, or center stem or drive gear may
be deformed, etc.
CAUTION:
Replace drive gear and drive pinion as a set.
TOOTH CONTACT
1. Remove rear cover. Refer to
.
2. Following the procedure below, install the dummy cover set [SST: KV381096S0 (
—
)] to gear car-
rier.
a. Temporarily install the bearing guides [SST: KV38109610 (
—
), KV38109620 (
—
)] to
gear carrier.
Total preload torque
: Refer to
When the preload torque is large
On pinion bearings:
Replace the collapsible spacer.
On side bearings:
Use thinner side bearing adjusting shims. For selecting adjusting
shim, refer to the latest parts information.
When the preload is small
On pinion bearings:
Tighten the drive pinion nut.
On side bearings:
Use thicker side bearing adjusting shims. For selecting adjusting
shim, refer to the latest parts information.
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Tightening torque
: 5.9 N·m (0.6 kg-m, 52 in-lb)
Drive gear back face
runout
: Refer to
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CENTER STEM ASSEMBLY
b. Position the dummy cap spacers [SST: KV38109630 (
—
), KV38109640 (
—
)] and the
angle [SST: KV38109650 (
—
)] to bearing guide.
c.
Use rear cover mounting bolts, tighten bolts to the specified torque. Refer to
.
d. Tighten dummy cap spacer mounting bolts evenly to the specified torque.
3. Apply red lead to drive gear.
CAUTION:
Apply red lead to both the faces of 3 to 4 gears at 4 loca-
tions evenly spaced on drive gear.
4. Rotate drive gear back and forth several times, check drive pin-
ion gear to drive gear tooth contact.
CAUTION:
Check tooth contact on drive side and reverse side.
Tightening torque
: 5.9 N·m (0.6 kg-m, 52 in-lb)
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CENTER STEM ASSEMBLY
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Tooth Contact Judgment Guide
5. If tooth contact is improperly adjusted, follow the procedure
below to adjust the pinion height (dimension X). For selecting
adjusting shim, refer to the latest parts information.
• If the tooth contact is near the face (face contact), or near the
heel (heel contact), thicken drive pinion gear adjusting shim to
move drive pinion closer to drive gear.
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CENTER STEM ASSEMBLY
• If the tooth contact is near the flank (flank contact), or near the
toe (toe contact), thin drive pinion gear adjusting shim to move
drive pinion farther from drive gear.
BACKLASH
1. Remove rear cover. Refer to
.
2. Following the procedure below, install the dummy cover set [SST: KV381096S0 (
—
)] to gear car-
rier.
a. Temporarily install the bearing guides [SST: KV38109610 (
—
), KV38109620 (
—
)] to
gear carrier.
b. Position the dummy cap spacers [SST: KV38109630 (
—
), KV38109640 (
—
)] and the
angle [SST: KV38109650 (
—
)] to bearing guide.
c.
Use rear cover mounting bolts, and tighten bolts to the specified torque. Refer to
.
d. Tighten dummy cap spacer mounting bolts evenly to the specified torque.
3. Fit a dial indicator to the drive gear face to measure the back-
lash.
• If the backlash is outside of the specified value, change the
thickness of side bearing adjusting shims.
Inspection
INFOID:0000000012199520
INSPECTION AFTER DISASSEMBLY
Drive Gear and Drive Pinion
• Clean up the disassembled parts.
• If the gear teeth never mesh or line-up correctly, determine the cause and adjust or replace as necessary.
• If the gears are worn, cracked, damaged, pitted or chipped (by friction) noticeably, replace with new drive
gear and drive pinion as a set.
Bearing
• Whenever disassembled, replace.
• Clean up the disassembled parts.
• If any chipped (by friction), pitted, worn, rusted or scratched marks, or unusual noise from the bearing is
observed, replace as a bearing assembly (as a new set).
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Tightening torque
: 5.9 N·m (0.6 kg-m, 52 in-lb)
Backlash
: Refer to
.
When the backlash is large:
Make drive gear back adjusting shims thicker, and drive
gear front adjusting shims thinner. For selecting ad-
justing shim, refer to the latest parts information.
When the backlash is small:
Make drive gear back adjusting shims thinner, and
drive gear front adjusting shims thicker. For selecting
adjusting shim, refer to the latest parts information.
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Revision: November 2015
2016 JUKE
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