Nissan Pathfinder (2009 year). Instruction — part 232
DLN-338
< ON-VEHICLE MAINTENANCE >
[FRONT FINAL DRIVE: R180A]
DIFFERENTIAL GEAR OIL
ON-VEHICLE MAINTENANCE
DIFFERENTIAL GEAR OIL
Changing Differential Gear Oil
INFOID:0000000003937429
DRAINING
1.
Stop the engine.
2.
Remove the drain plug and gasket from the front final drive
assembly to drain the differential gear oil.
3.
Install the drain plug with a new gasket to the front final drive
assembly. Tighten to the specified torque. Refer to
.
CAUTION:
Do not reuse gasket.
FILLING
1.
Remove the filler plug and gasket from the front final drive
assembly.
2.
Fill the front final drive assembly with new differential gear oil
until the level reaches the specified level near the filler plug hole.
3.
Install the filler plug with a new gasket on it to the front final drive
assembly. Tighten to the specified torque. Refer to
.
CAUTION:
Do not reuse gasket.
Checking Differential Gear Oil
INFOID:0000000003937430
DIFFERENTIAL GEAR OIL LEAKAGE AND LEVEL
1.
Make sure that differential gear oil is not leaking from the front final drive assembly or around it.
2.
Check the differential gear oil level from the filler plug hole as
shown.
CAUTION:
Do not start engine while checking differential gear oil level.
3.
Install the filler plug with a new gasket on it to the front final drive
assembly. Tighten to the specified torque. Refer to
.
CAUTION:
Do not reuse gasket.
LDIA0175E
Differential gear oil
grade and capacity
: Refer to
LDIA0176E
LDIA0176E
2009 Pathfinder
FRONT OIL SEAL
DLN-339
< ON-VEHICLE REPAIR >
[FRONT FINAL DRIVE: R180A]
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ON-VEHICLE REPAIR
FRONT OIL SEAL
Removal and Installation
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REMOVAL
1.
Remove the drive shafts from the front final drive assembly. Refer to
RAX-9, "Removal and Installation"
.
2.
Remove the front propeller shaft from the front final drive assembly. Refer to
.
3.
Measure the total preload torque. Refer to
DLN-345, "Disassembly and Assembly"
.
NOTE:
Record the total preload torque measurement.
4.
Remove the drive pinion lock nut using Tool.
5.
Put matching marks on the companion flange and drive pinion
using paint.
CAUTION:
Use paint to make the matching marks. Do not damage the
companion flange or drive pinion.
6.
Remove the companion flange using suitable tool.
7.
Remove the front oil seal using Tool.
INSTALLATION
Tool number
: KV38108300 (
—
)
BDIA0001E
LDIA0171E
Tool number
: KV381054S0 (J-34286)
LDIA0172E
2009 Pathfinder
DLN-340
< ON-VEHICLE REPAIR >
[FRONT FINAL DRIVE: R180A]
FRONT OIL SEAL
1.
Apply multi-purpose grease to the lips and differential gear oil to
the circumference of the new front oil seal. Then drive the new
front oil seal in evenly until it becomes flush with the gear carrier
using Tools.
CAUTION:
• Do not reuse front oil seal.
• Do not incline the new front oil seal when installing.
• Apply multi-purpose grease to the lips and differential
gear oil to the circumference of the new front oil seal.
2.
Install the companion flange to the drive pinion while aligning the matching marks.
3.
Apply anti-corrosive oil to the threads of the drive pinion and the
seating surface of the new drive pinion lock nut. Then adjust the
drive pinion lock nut tightening torque using Tool A, and check
the total preload torque using Tool B.
• The total preload torque should be within the total preload
torque specification. When not replacing the collapsible
spacer, it should also be equal to the measurement taken dur-
ing removal plus an additional 0.56 N·m (0.06 Kg-m, 5 in-lb).
• If the total preload torque is low, tighten the drive pinion lock
nut in 6.8 N·m (0.69 Kg-m, 5ft-lb) increments until the total pre-
load torque is met.
CAUTION:
• Do not reuse drive pinion lock nut.
• Apply anti-corrosive oil to the threads of the drive pinion
and the seating surface of the new drive pinion lock nut.
• Adjust the drive pinion lock nut tightening torque to the
lower limit first. Do not exceed the drive pinion lock nut
specified torque. Refer to
DLN-345, "Disassembly and Assembly"
• Do not loosen drive pinion lock nut to adjust the total preload torque. If the drive pinion lock nut
torque or the total preload torque exceeds the specifications, replace the collapsible spacer and
tighten it again to adjust. Refer to
DLN-345, "Disassembly and Assembly"
• After adjustment, rotate drive pinion back and forth 2 to 3 times to check for unusual noise, rota-
tion malfunction, and other malfunctions.
4.
Install new side oil seals into the front final drive assembly. Refer to
DLN-341, "Removal and Installation"
.
5.
Installation of the remaining components is in the reverse order of removal.
CAUTION:
Check the differential gear oil level after installation. Refer to
DLN-338, "Checking Differential Gear
.
Tool number
A: ST30720000 (J-25405)
B: ST27863000 (
—
)
WDIA0147E
Tool number
A: KV38108300 (
—
)
B: ST3127S000 (J-25765-A)
Total preload torque:
Refer to
.
WDIA0381E
2009 Pathfinder
SIDE OIL SEAL
DLN-341
< ON-VEHICLE REPAIR >
[FRONT FINAL DRIVE: R180A]
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SIDE OIL SEAL
Removal and Installation
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REMOVAL
1.
Remove the drive shafts from the front final drive assembly. Refer to
.
2.
Remove the side oil seal using suitable tool.
CAUTION:
Do not reuse the side oil seal.
INSTALLATION
1.
Apply multi-purpose grease to the lips and differential gear oil to
the circumference of the new side oil seal. Then drive the new
side oil seal in evenly until it becomes flush with the gear carrier
using Tools.
CAUTION:
• Do not reuse side oil seal.
• Do not incline the new side oil seal when installing.
• Apply multi-purpose grease to the lips and differential
gear oil to the circumference of the new side oil seal.
2.
Installation of the remaining components is in the reverse order of removal.
CAUTION:
Check the differential gear oil level after installation. Refer to
DLN-338, "Checking Differential Gear
.
LDIA0173E
Tool number
A: ST30720000 (J-25405)
B: ST27863000 (
—
)
PDIA0826E
2009 Pathfinder
DLN-342
< ON-VEHICLE REPAIR >
[FRONT FINAL DRIVE: R180A]
CARRIER COVER
CARRIER COVER
Removal and Installation
INFOID:0000000003937433
REMOVAL
1.
Remove the front final drive assembly. Refer to
DLN-343, "Removal and Installation"
2.
Remove the carrier cover bolts and separate the carrier cover
from the gear carrier using Tool.
CAUTION:
• Do not damage the mating surface.
• Do not insert flat-bladed screwdriver, this will damage the
mating surface.
INSTALLATION
1.
Apply a 3 mm (0.12 in) bead of sealant to the mating surface of
the carrier cover as shown.
• Use Genuine Silicone RTV or equivalent. Refer to
"Recommended Chemical Products and Sealants"
.
CAUTION:
Remove any old sealant adhering to the mating surfaces.
Also remove any moisture, oil, or foreign material adhering
to the application and mating surfaces.
2.
Install the carrier cover to the gear carrier. Tighten the bolts to
the specified torque. Refer to
3.
Install the front final drive assembly. Refer to
CAUTION:
Fill the front final drive assembly with recommended differential gear oil. Refer to
Tool number
: KV10111100 (J-37228)
PDIA0699E
PDIA0712E
2009 Pathfinder
FRONT FINAL DRIVE ASSEMBLY
DLN-343
< REMOVAL AND INSTALLATION >
[FRONT FINAL DRIVE: R180A]
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REMOVAL AND INSTALLATION
FRONT FINAL DRIVE ASSEMBLY
Removal and Installation
INFOID:0000000003937434
REMOVAL
1.
Drain the differential gear oil. Refer to
2.
Remove the drive shafts from the front final drive assembly. Refer to
.
3.
Remove the front crossmember.
4.
Remove the front propeller shaft from the front final drive assembly. Refer to
.
5.
Disconnect the vent hose from the front final drive assembly.
1.
Breather hose
2.
Front final drive assembly
3.
Front crossmember
Vehicle front
AWDIA0018GB
2009 Pathfinder
DLN-344
< REMOVAL AND INSTALLATION >
[FRONT FINAL DRIVE: R180A]
FRONT FINAL DRIVE ASSEMBLY
6.
Support the front final drive assembly using a suitable jack.
7.
Remove the front final drive assembly bolts, then remove the
front final drive assembly.
CAUTION:
Support the front final drive assembly while removing using
a suitable jack.
INSTALLATION
Installation is in the reverse order of removal.
• Install new side oil seals into the front final drive assembly. Refer to
DLN-341, "Removal and Installation"
.
CAUTION:
• Make sure there are no pinched or restricted areas on the breather hose caused by folding or bend-
ing when installing it.
• Fill the front final drive assembly with differential gear oil after installation. Refer to
WDIA0145E
2009 Pathfinder
FRONT FINAL DRIVE
DLN-345
< DISASSEMBLY AND ASSEMBLY >
[FRONT FINAL DRIVE: R180A]
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DISASSEMBLY AND ASSEMBLY
FRONT FINAL DRIVE
Disassembly and Assembly
INFOID:0000000003937435
COMPONENTS
1.
Drive pinion lock nut
2.
Companion flange
3.
Front oil seal
4.
Drive pinion front bearing
5.
Gear carrier
6.
Side oil seal
7.
Bushing
8.
Differential side shaft
9.
Differential side shaft bearing
10. Snap ring
11.
Snap ring
12. Gasket
13. Drain plug
14. Collapsible spacer
15. Drive pinion rear bearing
16. Drive pinion height adjusting washer 17. Drive pinion
18. Side bearing adjusting washer
19. Side bearing
20. Side gear thrust washer
21. Side gear
22. Pinion mate shaft
23. Lock pin
24. Pinion mate gear
25. Pinion mate thrust washer
26. Drive gear
27. Differential case
WDIA0265E
2009 Pathfinder
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