Qashqai J11. Driveline — part 13
PRECAUTIONS
DLN-193
< PRECAUTION >
[REAR FINAL DRIVE: R145]
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PRECAUTION
PRECAUTIONS
Service Notice or Precautions for Rear Final Drive
INFOID:0000000010288394
CAUTION:
• Check for the correct installation status prior to removal or disassembly. If matching marks are
required, be certain they do not interfere with the function of the parts when applied.
• Overhaul should be done in a clean work area, it is preferable to work in dustproof area.
• Before disassembly, using steam or white gasoline, completely remove sand and mud from the exte-
rior of the unit, preventing them from entering into the unit during disassembly or assembly.
• Check appearance of the disassembled parts for damage, deformation, and unusual wear. Replace
them with a new one if necessary.
• Gaskets, seals and O-rings should be replaced any time when the unit is disassembled.
• In principle, tighten bolts or nuts gradually in several steps working diagonally from inside to out-
side. If tightening sequence is specified, observe it.
• Clean and flush the parts sufficiently and blow-dry them.
• Be careful not to damage sliding surfaces and mating surfaces.
• When applying sealant, remove the old sealant from the mounting surface; then remove any mois-
ture, oil, and foreign materials from the application and mounting surfaces.
• Always use shop paper for cleaning the inside of components.
• Avoid using cotton gloves or shop rags to prevent entering of lint.
• During assembly, observe the specified tightening torque, and apply new gear oil, petroleum jelly, or
multi-purpose grease as specified for each vehicle, if necessary.
Precautions for Removing Battery Terminal
INFOID:0000000010508560
• With the adoption of Auto ACC function, ACC power is automatically supplied by operating the intelligent key
or remote keyless entry or by opening/closing the driver side door. In addition, ACC power is supplied even
after the ignition switch is turned to the OFF position, i.e. ACC power is supplied for a certain fixed time.
• When disconnecting the 12V battery terminal, turn off the ACC
power before disconnecting the 12V battery terminal, observing
“How to disconnect 12V battery terminal” described below.
NOTE:
Some ECUs operate for a certain fixed time even after ignition
switch is turned OFF and ignition power supply is stopped. If the
battery terminal is disconnected before ECU stops, accidental DTC
detection or ECU data damage may occur.
• For vehicles with the 2-batteries, be sure to connect the main bat-
tery and the sub battery before turning ON the ignition switch.
NOTE:
If the ignition switch is turned ON with any one of the terminals of
main battery and sub battery disconnected, then DTC may be detected.
• After installing the 12V battery, always check "Self Diagnosis Result" of all ECUs and erase DTC.
NOTE:
The removal of 12V battery may cause a DTC detection error.
HOW TO DISCONNECT 12V BATTERY TERMINAL
Disconnect 12V battery terminal according to Instruction 1 or Instruction 2 described below.
For vehicles parked by ignition switch OFF, refer to Instruction 2.
INSTRUCTION 1
1.
Open the hood.
2.
Turn key switch to the OFF position with the driver side door opened.
3.
Get out of the vehicle and close the driver side door.
4.
Wait at least 3 minutes. For vehicle with the engine listed below, remove the battery terminal after a lapse
of the specified time.
SEF289H
D4D engine
: 20 minutes
HRA2DDT
: 12 minutes
DLN-194
< PRECAUTION >
[REAR FINAL DRIVE: R145]
PRECAUTIONS
CAUTION:
While waiting, never operate the vehicle such as locking, opening, and closing doors. Violation of
this caution results in the activation of ACC power supply according to the Auto ACC function.
5.
Remove 12V battery terminal.
CAUTION:
After installing 12V battery, always check self-diagnosis results of all ECUs and erase DTC.
INSTRUCTION 2 (FOR VEHICLES PARKED BY IGNITION SWITCH OFF)
1.
Unlock the door with intelligent key or remote keyless entry.
NOTE:
At this moment, ACC power is supplied.
2.
Open the driver side door.
3.
Open the hood.
4.
Close the driver side door.
5.
Wait at least 3 minutes.
CAUTION:
While waiting, never operate the vehicle such as locking, opening, and closing doors. Violation of
this caution results in the activation of ACC power supply according to the Auto ACC function.
6.
Remove 12V battery terminal.
CAUTION:
After installing 12V battery, always check self-diagnosis results of all ECUs and erase DTC.
K9K engine
: 4 minutes
M9R engine
: 4 minutes
R9M engine
: 4 minutes
V9X engine
: 4 minutes
PREPARATION
DLN-195
< PREPARATION >
[REAR FINAL DRIVE: R145]
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PREPARATION
PREPARATION
Special Service Tools
INFOID:0000000010288395
Tool number
Tool name
Description
KV38100200
Drift
a: 65 mm (2.56 in) dia.
b: 49 mm (1.93 in) dia.
• Installing front oil seal
• Installing side oil seal
ST27861000
Drift
a: 62 mm (2.44 in) dia.
b: 52 mm (2.05 in) dia.
Installing front oil seal
ST35271000
Drift
a: 72 mm (2.83 in) dia.
b: 63 mm (2.48 in) dia.
Installing center oil seal
ST33052000
Drift
a: 22 mm (0.87 in) dia.
b: 28 mm (1.10 in) dia.
Removing side bearing inner race
KV38108400
Pinion nut wrench
Removing and installing drive pinion nut
KV38109500
Drive pinion socket
• Removing and installing drive pinion nut
• Measuring preload torque
ZZA1143D
ZZA0832D
ZZA0814D
ZZA1023D
ZZA1206D
ZZA1205D
DLN-196
< PREPARATION >
[REAR FINAL DRIVE: R145]
PREPARATION
Commercial Service Tools
INFOID:0000000010288396
ST33230000
Drift
a: 51 mm (2.01 in) dia.
b: 41 mm (1.61 in) dia.
c: 28.5 mm (1.122 in) dia.
Installing pinion front bearing outer race
ST23860000
Drift
a: 38 mm (1.50 in) dia.
b: 33 mm (1.30 in) dia.
• Installing pinion rear bearing inner race
• Installing pinion front bearing inner race
ST3127S000
Preload gauge
Measuring preload torque
KV389L0010
Dummy cover set
• Checking backlash
• Checking drive gear runout
• Checking tooth contact
Tool number
Tool name
Description
ZZA1046D
ZZA0534D
ZZA0503D
PDIA0894E
Tool name
Description
Flange wrench
Removing and installing companion flange
lock nut
Drift
a: 54.5 mm (2.146 in) dia.
Removing and installing gear carrier and rear
cover (2 pieces are used)
NT771
PDIA0893E
PREPARATION
DLN-197
< PREPARATION >
[REAR FINAL DRIVE: R145]
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Pin punch
a: 4.5 mm (0.177 in) dia.
Removing and installing lock pin
Drift
a: 39.7 mm (1.563 in) dia.
b: 35 mm (1.38 in) dia.
Installing side bearing inner race
Stand
a: Approx. 60 mm (2.36 in)
b: Approx. 90 mm (3.54 in) dia
Installing pinion front bearing inner race
NT410
ZZA0936D
JPDID0011ZZ
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< SYSTEM DESCRIPTION >
[REAR FINAL DRIVE: R145]
REAR FINAL DRIVE ASSEMBLY
SYSTEM DESCRIPTION
REAR FINAL DRIVE ASSEMBLY
System Diagram
INFOID:0000000010288397
1.
Companion flange
2.
Electric controlled coupling
3.
4WD solenoid
4.
Center oil seal
5.
Pinion front bearing
6.
Collapsible spacer
7.
Pinion rear bearing
8.
Drive pinion
9.
Side gear
10. Pinion mate gear
11.
Drive gear
12. Pinion mate shaft
13. Side bearing
14. Differential case
JSDIA0281ZZ
REAR DIFFERENTIAL GEAR OIL
DLN-199
< PERIODIC MAINTENANCE >
[REAR FINAL DRIVE: R145]
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PERIODIC MAINTENANCE
REAR DIFFERENTIAL GEAR OIL
Inspection
INFOID:0000000010288398
OIL LEAKEGE
Make sure that oil is not leaking from final drive assembly or around it.
OIL LEVEL
• Remove filler plug (1) and check oil level from filler plug mounting
hole as shown in the figure.
CAUTION:
Never start engine while checking oil level.
• Set a new gasket on filler plug and install it on final drive assembly.
.
CAUTION:
Never reuse gasket.
Draining
INFOID:0000000010288399
1.
Stop engine.
2.
Remove drain plug (1) and drain gear oil.
3.
Set a new gasket on drain plug and install it to final drive assem-
bly and tighten to the specified torque. Refer to
CAUTION:
Never reuse gasket.
Refilling
INFOID:0000000010288400
1.
Remove filler plug (1). Fill with new gear oil until oil level reaches
the specified level near filler plug mounting hole.
2.
After refilling oil, check oil level. Set a new gasket to filler plug,
then install it to final drive assembly. Refer to
CAUTION:
Never reuse gasket.
JSDIA0198ZZ
JSDIA0197ZZ
Oil grade and viscosity
: Refer to
.
Oil capacity
: Refer to
JSDIA0198ZZ
DLN-200
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R145]
FRONT OIL SEAL
REMOVAL AND INSTALLATION
FRONT OIL SEAL
Exploded View
INFOID:0000000010288401
R9M and MR20DD
Removal and Installation
INFOID:0000000010288402
REMOVAL
1.
Remove rear propeller shaft. Refer to
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.
1.
Final drive assembly
2.
Front oil seal
3.
Companion flange
4.
Companion flange lock nut
A: Oil seal lip
: Vehicle front
: Apply gear oil.
Refer to
for symbols not described on the above.
JPDID0004GB
PDIA0455E
FRONT OIL SEAL
DLN-201
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R145]
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3.
Remove companion flange lock nut, using a flange wrench
(commercial service tool). Then remove companion flange.
4.
Remove front oil seal from coupling cover, using a flat-bladed
screwdriver.
CAUTION:
Be careful not to damage coupling cover.
INSTALLATION
1.
Install front oil seal until it becomes flush with the coupling cover
end, using the drifts.
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.
Align the matching mark of electric controlled coupling with the
matching mark of companion flange, then install the companion
flange.
3.
Install companion flange lock nut with a flange wrench (commer-
cial service tool), tighten to the specified torque.
CAUTION:
Never reuse companion flange lock nut.
4.
Install rear propeller shaft. Refer to
5.
When oil leaks while removing, check oil level after the installa-
tion. Refer to
.
JSDIA0199ZZ
JSDIA0200ZZ
A
: Drift (SST: KV38100200)
B
: Drift (SST: ST27861000)
PDIA0038E
PDIA0455E
DLN-202
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R145]
SIDE OIL SEAL
SIDE OIL SEAL
Exploded View
INFOID:0000000010288403
Removal and Installation
INFOID:0000000010288404
REMOVAL
1.
Remove rear drive shafts. Refer to
.
2.
Remove side oil seals, using a flat-bladed screwdriver.
CAUTION:
Be careful not to damage gear carrier and rear cover.
INSTALLATION
1.
Install side oil seals until it becomes flush with the carrier end,
using the drift (A) (SST: KV38100200).
CAUTION:
• Never reuse oil seals.
• When installing, never incline oil seals.
• Apply multi-purpose grease onto oil seal lips, and gear oil
onto the circumference of oil seal.
2.
Install rear drive shafts. Refer to
3.
When oil leaks while removing, check oil level after the installa-
tion. Refer to
.
1.
Final drive assembly
2.
Side oil seal
A: Oil seal lip
: Vehicle front
: Apply gear oil.
Refer to
for symbols not described on the above.
JSDIA0232ZZ
PDIA0431E
JSDIA0201ZZ
ELECTRIC CONTROLLED COUPLING
DLN-203
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R145]
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ELECTRIC CONTROLLED COUPLING
Exploded View
INFOID:0000000010288405
MR20DD and R9M
Removal and Installation
INFOID:0000000010288406
REMOVAL
1.
Remove rear propeller shaft. Refer to
2.
Disconnect 4WD solenoid harness connector.
3.
Remove connector bracket.
4.
Put matching mark on the thread edge of electric controlled cou-
pling. The matching mark should be in line with the matching
mark on the 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.
1.
Final drive assembly
2.
Center oil seal
3.
4WD solenoid harness
4.
Electric controlled coupling
5.
Coupling cover
6.
Reamer bolt
7.
Connector bracket
8.
Front oil seal
9.
Companion flange
10. Companion flange lock nut
A: Oil seal lip
: Vehicle front
: Apply gear oil.
: Apply Genuine Liquid Gasket, Three Bond 1217 or equivalent.
Refer to
for symbols not described on the above.
JPDID0005GB
PDIA0455E
DLN-204
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R145]
ELECTRIC CONTROLLED COUPLING
5.
Remove companion flange lock nut, using a flange wrench
(commercial service tool).
6.
Remove companion flange.
7.
Remove electric controlled coupling breather hose from cou-
pling cover.
8.
Remove coupling cover with electric controlled coupling from
final drive assembly.
9.
Remove electric controlled coupling from coupling cover.
10. Remove 4WD solenoid harness.
11. Remove front oil seal from coupling cover, using a flat-bladed
screwdriver.
CAUTION:
Be careful not to damage coupling cover.
12. Remove center oil seal from final drive assembly.
INSTALLATION
1.
Using the drift (A) (SST: ST35271000), 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 4WD solenoid harness to electric controlled coupling.
JSDIA0199ZZ
PDIA0458E
PDG0213D
Dimension “D”
: 0.8 – 1.2 mm (0.031 – 0.047 in)
JSDIA0260ZZ
ELECTRIC CONTROLLED COUPLING
DLN-205
< REMOVAL AND INSTALLATION >
[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 4WD 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).
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 final drive assembly 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 electric controlled coupling breather hose to coupling
cover.
10. Install connector bracket, and tighten bolts to the specified
torque.
11. Connect 4WD solenoid harness connector.
12. 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.
13. Install companion flange lock nut with flange wrench (commer-
cial service tool), tighten to the specified torque.
CAUTION:
Never reuse companion flange lock nut.
14. Check companion flange runout. Refer to
.
PDIA0463E
A
: Drift (SST: KV38100200)
B
: Drift (SST: ST27861000)
PDIA0449E
PDIA0613E
SDIA0587E
PDIA0455E
DLN-206
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R145]
ELECTRIC CONTROLLED COUPLING
15. Install rear propeller shaft. Refer to
16. When oil leaks while removing, check oil level after the installation. Refer to
REAR FINAL DRIVE ASSEMBLY
DLN-207
< UNIT REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R145]
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UNIT REMOVAL AND INSTALLATION
REAR FINAL DRIVE ASSEMBLY
Exploded View
INFOID:0000000010288407
Removal and Installation
INFOID:0000000010288408
REMOVAL
1.
Remove rear propeller shaft. Refer to
2.
Remove rear drive shafts. Refer to
.
3.
Disconnect 4WD solenoid harness connector.
4.
Remove rear final drive breather hose and electric controlled coupling breather hose.
5.
Support final drive assembly with a suitable jack.
6.
Remove final drive mounting nuts and final drive mounting bolts.
If necessary, remove final drive mounting bracket.
CAUTION:
Secure final drive assembly to a suitable jack while removing it.
INSTALLATION
Note the following, and install in the reverse order of removal.
• When installing each breather hoses, refer to the figure and following.
CAUTION:
Make sure there are no pinched or restricted areas on the breather hose caused by bending or wind-
ing when installing it.
1.
Final drive mounting bracket
2.
Washer
3.
Final drive assembly
: Vehicle front
Refer to
JPDID0013GB
DLN-208
< UNIT REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R145]
REAR FINAL DRIVE ASSEMBLY
- Install rear final drive breather hose (1) to breather connector (2).
Install bracket (3) to the breather connector. Check that the paint
mark (A) of metal connector (4) faces forward of the vehicle as
shown by the arrow.
- Install electric controlled coupling breather hose (1) to metal tube
all way to the point shown by the solid arrow (
). Check that the
coupling cover (2) of metal tube (3) faces forward of the vehicle as
shown by the outline arrow.
• When oil leaks while removing final drive assembly, check oil level
after the installation. Refer to
: Vehicle front
JSDIA0222ZZ
: Vehicle front
JPDID0014ZZ
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