Nissan Murano Z51 (2008 year). Manual — part 135
REAR FINAL DRIVE ASSEMBLY
DLN-99
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R145]
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9.
Remove final drive mounting nuts and final drive mounting bolts
with power tool. If necessary, remove final drive mounting
bracket and washer with power tool.
CAUTION:
Secure final drive assembly to a suitable jack while remov-
ing it.
10. Remove dynamic damper assembly.
INSTALLATION
Note the following, and install in the reverse order of removal.
• Install the breather hose (1) to breather connector until dimension
(A) shown as follows.
CAUTION:
• Never reuse hose clamp.
• Make sure there are no pinched or restricted areas on the
breather hose caused by bending or winding when installing
it.
• Install the hose clamp at the final drive side, with the tab facing to the vehicle front.
• Install the hose clamp at the suspension member side, with the tab facing down ward.
• If remove breather connector (2) and metal connector (3), install
breather hose (1), breather connector and metal connector as
shown in the figure.
- For installation, insert breather connector into the square hole of
rear suspension. Install metal connector to rear cover with aiming
painted marking to the front of vehicle.
• Install the electric controlled coupling breather hose (1) as shown
in the figure.
- Install electric controlled coupling breather hose at the coupling
side to the metal tube (3) of the coupling cover (2) all the way to
the point shown by the solid arrow (
).
- Install electric controlled coupling breather hose at the suspension
member side until dimension (L) shown as follows.
- Install the hose clip at the position 152 mm from breather hose end on the breather connector side.
CAUTION:
• Make sure there are no pinched or restricted areas on the breather hose caused by bending or
winding when installing it.
• Make sure that insert hose clip into the hole of final drive mounting bracket.
JPDID0170ZZ
A:
Final drive side
: 20 mm (0.79 in)
Suspension member side
: 20.7 mm (0.815 in)
: Vehicle front
JPDID0020ZZ
JPDID0159ZZ
: Vehicle front
L
: 15 mm
JSDIA1094ZZ
Revision: 2008 October
2009 Murano
DLN-100
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R145]
REAR FINAL DRIVE ASSEMBLY
• If remove breather connector of the electric controlled coupling (1)
and metal tube (2), install them as shown in the figure.
- Install the breather connector at the insertion side to the suspen-
sion member, facing to the vehicle front.
- Install the metal tube to the coupling cover, facing to the vehicle
front.
CAUTION:
Never reuse breather connector and metal connector.
• When oil leaks while removing final drive assembly, check oil level
after the installation. Refer to
.
JSDIA0983ZZ
Revision: 2008 October
2009 Murano
ELECTRIC CONTROLLED COUPLING
DLN-101
< DISASSEMBLY AND ASSEMBLY >
[REAR FINAL DRIVE: R145]
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DISASSEMBLY AND ASSEMBLY
ELECTRIC CONTROLLED COUPLING
Exploded View
INFOID:0000000003412882
1.
Filler plug
2.
Gasket
3.
Drain plug
4.
Rear cover
5.
Side oil seal
6.
Side bearing adjusting shim
7.
Side bearing
8.
Drive gear
9.
Differential case
10. Pinion mate thrust washer
11.
Pinion mate gear
12. Pinion mate shaft
13. Lock pin
14. Side gear thrust washer
15. Side gear
16. Drive pinion
17. Pinion rear bearing
18. Drive pinion adjusting shim
19. Collapsible spacer
20. Gear carrier
21. Pinion front bearing
22. Drive pinion nut
23. Center oil seal
24. AWD solenoid harness
25. Electric controlled coupling
26. Coupling cover
27. Reamer bolt
28. Connector bracket
29. Front oil seal
30. Companion flange
31. Companion flange lock nut
A.
Oil seal lip
B.
Screw hole
: Apply gear oil.
: Apply anti-corrosive oil.
: Apply Genuine Silicone RTV or equivalent. Refer to
GI-17, "Recommended Chemical Products and Sealants"
.
: Apply Genuine Medium Strength Thread Locking Sealant or equivalent. Refer to
GI-17, "Recommended Chemical Prod-
.
Refer to
for symbols not described above.
JSDIA1027GB
Revision: 2008 October
2009 Murano
DLN-102
< DISASSEMBLY AND ASSEMBLY >
[REAR FINAL DRIVE: R145]
ELECTRIC CONTROLLED COUPLING
Disassembly
INFOID:0000000003412883
1.
Remove connector bracket.
2.
Put matching mark on the thread edge of electric controlled cou-
pling. The matching mark should be in line with the matching
mark on companion flange.
CAUTION:
For matching mark, use paint. Never damage electric con-
trolled coupling.
NOTE:
When replacing electric controlled coupling, matching mark is
not necessary.
3.
Remove companion flange lock nut, using a flange wrench
(commercial service tool).
4.
Remove companion flange.
5.
Remove coupling cover.
6.
Remove front oil seal from coupling cover, using a suitable tool.
CAUTION:
Be careful not to damage coupling cover.
7.
Remove electric controlled coupling.
8.
Remove AWD solenoid harness.
9.
Remove center oil seal from gear carrier.
Assembly
INFOID:0000000003412884
1.
Using the drift (A) [SST: ST35271000 (J-26091)], install center
oil seal (1) as shown in the figure.
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.
2.
Connect AWD solenoid harness to electric controlled coupling.
PDIA0455E
PDIA0442E
PDG0213D
D
: 0.8 – 1.2 mm (0.031 – 0.047 in)
JSDIA0260ZZ
Revision: 2008 October
2009 Murano
ELECTRIC CONTROLLED COUPLING
DLN-103
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[REAR FINAL DRIVE: R145]
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3.
Install electric controlled coupling to spline of drive pinion inside
gear carrier.
CAUTION:
• Align the pin on electric controlled coupling with the
groove of gear carrier.
• Be careful not to damage center oil seal.
4.
Set AWD solenoid harness guide to gear carrier.
5.
Using the drifts, drive front oil seal until it becomes flush with the
coupling cover end.
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.
6.
Apply liquid gasket to mating surface of coupling cover. Overlap
both ends of the bead for at least 3 mm (0.12 in).
Use Genuine Silicone RTV or equivalent. Refer to
ommended Chemical Products and Sealants"
CAUTION:
Remove old gasket adhering to the mounting surfaces.
Also remove any moisture, oil, or foreign material adhering
to the mounting surfaces.
7.
Install coupling cover to gear carrier with arrow facing upward,
temporarily tighten reamer bolts to the positions shown in the
figure.
8.
Tighten reamer bolts and coupling cover mounting bolts to the
specified torque.
9.
Install connector bracket, and tighten bolts to the specified
torque.
10. Install companion flange.
NOTE:
When reusing electric controlled coupling, align the matching
mark of electric controlled coupling with the matching mark of
companion flange, then install companion flange.
11. Install companion flange lock nut with flange wrench (commer-
cial service tool), tighten to the specified torque.
CAUTION:
Never reuse companion flange lock nut.
12. Check companion flange runout. Refer to
.
PDIA0463E
A
: Drift [SST: KV38100200 (J-26233)]
B
: Drift [SST: ST27861000 (
—
)]
PDIA0449E
PDIA0613E
SDIA0587E
PDIA0455E
Revision: 2008 October
2009 Murano
DLN-104
< DISASSEMBLY AND ASSEMBLY >
[REAR FINAL DRIVE: R145]
ELECTRIC CONTROLLED COUPLING
Adjustment
INFOID:0000000003412885
COMPANION FLANGE RUNOUT
1.
Fit a dial indicator onto the companion flange face (inner side of
the rear propeller shaft mounting bolt holes).
2.
Rotate companion flange to check for runout.
3.
Fit a test indicator to the inner side of companion flange (socket
diameter).
4.
Rotate companion flange to check for runout.
5.
If the runout value is outside the runout limit, follow the procedure below to adjust.
a.
Check for runout while changing the phase between companion flange and drive pinion by 90
°
step, and
search for the position where the runout is the minimum.
b.
If the runout value is still outside of the limit after the phase has been changed, replace companion flange.
c.
If the runout value is still outside of the limit after companion flange has been replaced, possible cause will
be an assembly malfunction of drive pinion and electric controlled coupling, malfunctioning coupling bear-
ing, or malfunctioning of electric controlled coupling.
Inspection After Disassembly
INFOID:0000000003691303
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
• 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).
SIDE GEAR AND PINION MATE GEAR
• Clean up the disassembled parts.
• If any cracks or damage on the surface of the tooth is found, replace.
• If any worn or chipped mark on the contact sides of the thrust washer is found, replace.
SIDE GEAR THRUST WASHER AND PINION MATE THRUST WASHER
• Clean up the disassembled parts.
• If it is chipped (by friction), damaged, or unusually worn, replace.
OIL SEAL
• Whenever disassembled, replace.
• If wear, deterioration of adherence (sealing force lips), or damage is detected on the lips, replace them.
DIFFERENTIAL CASE
• Clean up the disassembled parts.
• If any wear or crack on the contact sides of the differential case is found, replace.
COMPANION FLANGE
• Clean up the disassembled parts.
Limit
Companion flange runout
: Refer to
.
Limit
Companion flange runout
: Refer to
.
PDIA0439E
Revision: 2008 October
2009 Murano
ELECTRIC CONTROLLED COUPLING
DLN-105
< DISASSEMBLY AND ASSEMBLY >
[REAR FINAL DRIVE: R145]
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• If any chipped mark [about 0.1 mm, (0.004 in)] or other damage on the contact sides of the lips of the com-
panion flange is found, replace.
Revision: 2008 October
2009 Murano
DLN-106
< DISASSEMBLY AND ASSEMBLY >
[REAR FINAL DRIVE: R145]
DIFFERENTIAL ASSEMBLY
DIFFERENTIAL ASSEMBLY
Exploded View
INFOID:0000000003691304
1.
Filler plug
2.
Gasket
3.
Drain plug
4.
Rear cover
5.
Side oil seal
6.
Side bearing adjusting shim
7.
Side bearing
8.
Drive gear
9.
Differential case
10. Pinion mate thrust washer
11.
Pinion mate gear
12. Pinion mate shaft
13. Lock pin
14. Side gear thrust washer
15. Side gear
16. Drive pinion
17. Pinion rear bearing
18. Drive pinion adjusting shim
19. Collapsible spacer
20. Gear carrier
21. Pinion front bearing
22. Drive pinion nut
23. Center oil seal
24. AWD solenoid harness
25. Electric controlled coupling
26. Coupling cover
27. Reamer bolt
28. Connector bracket
29. Front oil seal
30. Companion flange
31. Companion flange lock nut
A.
Oil seal lip
B.
Screw hole
: Apply gear oil.
: Apply anti-corrosive oil.
: Apply Genuine Silicone RTV or equivalent. Refer to
GI-17, "Recommended Chemical Products and Sealants"
.
: Apply Genuine Medium Strength Thread Locking Sealant or equivalent. Refer to
GI-17, "Recommended Chemical Prod-
.
Refer to
for symbols not described above.
JSDIA1027GB
Revision: 2008 October
2009 Murano
DIFFERENTIAL ASSEMBLY
DLN-107
< DISASSEMBLY AND ASSEMBLY >
[REAR FINAL DRIVE: R145]
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Disassembly
INFOID:0000000003412888
1.
Remove side oil seals, using a suitable tool.
CAUTION:
Be careful not to damage gear carrier and rear cover.
2.
Remove rear cover mounting bolts.
3.
Set drifts [SST: KV40100610 (J-26089)] to the right and left side
bearing adjusting shims individually. Press differential case
assembly with side bearing 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, 1.1 US ton, 1.0 Imp ton).
NOTE:
Differential case assembly, side bearings, and adjusting shims
are compressed and integrated in gear carrier and rear cover.
4.
Remove drain plug and filler plug.
5.
Remove side bearing adjusting shims and side bearing outer races.
CAUTION:
Mark the side bearing adjusting shims so that the original mounting positions (right/left) can be
identified later.
6.
Remove drive gear mounting bolts and then remove drive gear
from differential case.
7.
Remove side bearing inner races, using pullers and the drift
[SST: ST33052000 (
—
)].
PDG0216D
PDIA0065E
PDIA0446E
PDIA0459E
Revision: 2008 October
2009 Murano
DLN-108
< DISASSEMBLY AND ASSEMBLY >
[REAR FINAL DRIVE: R145]
DIFFERENTIAL ASSEMBLY
8.
Pull the lock pin out of pinion mate shaft, using the pin punch.
9.
Remove pinion mate shaft, pinion mate gears, pinion mate
thrust washers, side gears, side gear thrust washers from differ-
ential case.
Assembly
INFOID:0000000003412889
1.
Install new side gear thrust washers with the same thickness as
the ones installed prior to disassembly or reinstall the old ones
on the side gears.
2.
Install side gears and side gear thrust washers into differential
case.
3.
Align 2 pinion mate gears in diagonally opposite positions, then
rotate and install them into differential case after installing pinion
mate thrust washers to pinion mate gears.
PDIA0759J
SDIA0032J
SDIA0193J
SDIA0036J
Revision: 2008 October
2009 Murano
DIFFERENTIAL ASSEMBLY
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[REAR FINAL DRIVE: R145]
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4.
Align the lock pin holes on differential case with shaft, and install
pinion mate shaft.
5.
Measure side gear end play following the procedure below, and select the appropriate side gear thrust
washers.
a.
Place differential case straight up so that side gear to be mea-
sured comes upward.
b.
Using thickness gauges, measure the clearance between side
gear back and differential case at 3 different positions, while
rotating side gear. Average the 3 readings, and then decide the
clearance. (Measure the clearance of the other side as well.)
CAUTION:
To prevent side gear from tilting, insert thickness gauges
with the same thickness from both sides.
c.
If the back clearance is outside the specification, use a thicker/
thinner side gear thrust washer to adjust.
CAUTION:
Select a side gear thrust washer for right and left individu-
ally.
SDIA0037J
PDIA0460E
Standard
Side gear back clearance
When the back clearance is large:
Use a thicker thrust washer.
When the back clearance is small:
Use a thinner thrust washer.
SDIA0583E
Revision: 2008 October
2009 Murano
DLN-110
< DISASSEMBLY AND ASSEMBLY >
[REAR FINAL DRIVE: R145]
DIFFERENTIAL ASSEMBLY
6.
Drive a lock pin into pinion mate shaft, using the pin punch.
CAUTION:
Never reuse lock pin.
7.
Press side bearing inner races to differential case, using the drift
[SST: KV40105020 (
—
)].
CAUTION:
Never reuse side bearing inner races.
8.
Apply locking sealant into the thread hole of drive gear.
Use Genuine Medium Strength Thread Locking Sealant or
equivalent. Refer to
GI-17, "Recommended Chemical Products
.
CAUTION:
The drive gear back and threaded holes shall be cleaned
and decreased sufficiently.
9.
Install drive gear to the differential case, and then tighten to the
specified torque.
10. Apply gear oil to side bearings, and install new side bearing
adjusting shims (2 pieces for one side) with the same thickness
as the ones installed prior to disassembly or re-install the old
ones, with side bearing outer race to differential case.
If side bearing adjusting shims have been already selected, use
them.
CAUTION:
Never reuse side bearing outer race.
11. Set the drifts [SST: KV40100610 (J-26089)] to the right and left
side bearing adjusting shims individually. Compress differential
case assembly and side bearing to install gear carrier assembly
to differential case 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, 1.1 US ton, 1.0 Imp ton).
• If the adjusting shims are installed by tapping, the gear
carrier may be damaged. Avoid tapping.
PDIA0759J
PDIA0052E
SPD554
PDIA0466E
PDIA0064E
Revision: 2008 October
2009 Murano
DIFFERENTIAL ASSEMBLY
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[REAR FINAL DRIVE: R145]
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12. Install dummy cover set, check and adjust drive gear runout, tooth contact, backlash, and total preload
.
13. Remove dummy cover set.
14. Apply liquid gasket to mating surface of rear cover. Overlap both
ends of the bead for at least 3 mm (0.12 in).
Use Genuine Silicone RTV or equivalent. Refer to
ommended Chemical Products and Sealants"
CAUTION:
Remove old gasket adhering to the mounting surfaces.
Also remove any moisture, oil, or foreign material adhering
to the mounting surfaces.
15. Set the drifts [SST: KV40100610 (J-26089)] to the right and left
side bearing adjusting shims individually. Compress differential
case assembly and 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 tapping.
16. Tighten rear cover mounting bolts to the specified torque.
17. Using the drift [SST: KV38100200 (J-26233)], drive side oil seals
until it becomes flush with the carrier end.
CAUTION:
• Never reuse oil seals.
• When installing, do not incline oil seals.
• Apply multi-purpose grease onto oil seal lips, and gear oil
onto the circumference of oil seal.
18. Check total preload torque. Refer to
Inspection After Disassembly
INFOID:0000000003691305
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
• 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).
SIDE GEAR AND PINION MATE GEAR
• Clean up the disassembled parts.
• If any cracks or damage on the surface of the tooth is found, replace.
• If any worn or chipped mark on the contact sides of the thrust washer is found, replace.
SIDE GEAR THRUST WASHER AND PINION MATE THRUST WASHER
• Clean up the disassembled parts.
• If it is chipped (by friction), damaged, or unusually worn, replace.
PDIA0447E
PDIA0065E
PDIA0448E
Revision: 2008 October
2009 Murano
DLN-112
< DISASSEMBLY AND ASSEMBLY >
[REAR FINAL DRIVE: R145]
DIFFERENTIAL ASSEMBLY
OIL SEAL
• Whenever disassembled, replace.
• If wear, deterioration of adherence (sealing force lips), or damage is detected on the lips, replace them.
DIFFERENTIAL CASE
• Clean up the disassembled parts.
• If any wear or crack on the contact sides of the differential case is found, replace.
COMPANION FLANGE
• Clean up the disassembled parts.
• If any chipped mark [about 0.1 mm, (0.004 in)] or other damage on the contact sides of the lips of the com-
panion flange is found, replace.
Revision: 2008 October
2009 Murano
DRIVE PINION
DLN-113
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[REAR FINAL DRIVE: R145]
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DRIVE PINION
Exploded View
INFOID:0000000003691307
1.
Filler plug
2.
Gasket
3.
Drain plug
4.
Rear cover
5.
Side oil seal
6.
Side bearing adjusting shim
7.
Side bearing
8.
Drive gear
9.
Differential case
10. Pinion mate thrust washer
11.
Pinion mate gear
12. Pinion mate shaft
13. Lock pin
14. Side gear thrust washer
15. Side gear
16. Drive pinion
17. Pinion rear bearing
18. Drive pinion adjusting shim
19. Collapsible spacer
20. Gear carrier
21. Pinion front bearing
22. Drive pinion nut
23. Center oil seal
24. AWD solenoid harness
25. Electric controlled coupling
26. Coupling cover
27. Reamer bolt
28. Connector bracket
29. Front oil seal
30. Companion flange
31. Companion flange lock nut
A.
Oil seal lip
B.
Screw hole
: Apply gear oil.
: Apply anti-corrosive oil.
: Apply Genuine Silicone RTV or equivalent. Refer to
GI-17, "Recommended Chemical Products and Sealants"
.
: Apply Genuine Medium Strength Thread Locking Sealant or equivalent. Refer to
GI-17, "Recommended Chemical Prod-
.
Refer to
for symbols not described above.
JSDIA1027GB
Revision: 2008 October
2009 Murano
DLN-114
< DISASSEMBLY AND ASSEMBLY >
[REAR FINAL DRIVE: R145]
DRIVE PINION
Disassembly
INFOID:0000000003412892
1.
Remove electric controlled coupling assembly. Refer to
2.
Remove differential case assembly. Refer to
3.
Fit drive pinion socket (A) [SST: KV38108500 (
—
)] onto
drive pinion spline. Remove drive pinion nut, using the pinion nut
wrench (B) [SST: KV38108400 (
—
)].
4.
Press drive pinion assembly out of gear carrier.
CAUTION:
Never drop drive pinion assembly.
5.
Remove pinion front bearing inner race.
6.
Remove collapsible spacer.
7.
Remove pinion rear bearing inner race from drive pinion, using
puller and bearing puller.
8.
Using a brass rod, tap pinion front bearing outer race evenly
from the 2 cutouts on gear carrier and remove pinion front bear-
ing outer race.
CAUTION:
Be careful not to damage gear carrier.
9.
Using a brass rod, tap drive pinion adjusting shim evenly from
the 2 cutouts on gear carrier and remove drive pinion adjusting
shim and pinion rear bearing outer race.
CAUTION:
Be careful not to damage the gear carrier.
JSDIA0265ZZ
PDIA0445E
PDIA0179E
SDIA0564E
Revision: 2008 October
2009 Murano
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