Nissan Pathfinder (2012 year). Instruction — part 232
FRONT OIL SEAL
DLN-421
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R200]
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REMOVAL AND INSTALLATION
FRONT OIL SEAL
Removal and Installation
INFOID:0000000007357646
NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-
ing.
REMOVAL
1. Remove the drive shafts from the rear final drive assembly and support them using suitable wire. Refer to
RAX-8, "Removal and Installation"
2. Remove the side flanges and side oil seals. Refer to
DLN-423, "Removal and Installation"
3. Remove the rear propeller shaft. Refer to
DLN-329, "Removal and Installation"
4. Measure the total preload torque. Refer to
DLN-430, "Disassembly and Assembly"
.
NOTE:
Record the total preload torque measurement.
5. Remove the drive pinion lock nut using suitable tool.
6. 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.
7. Remove the companion flange using suitable tool.
8. Remove the front oil seal using Tool.
INSTALLATION
SDIA1142E
SDIA1054E
Tool number
: ST33290001 (J-34286)
SDIA0485E
August 2012
2012 Pathfinder
DLN-422
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R200]
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 Tool.
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 suitable 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
.
• Do not loosen drive pinion lock nut to adjust the total preload torque. If the total preload torque
exceeds the specifications, replace the collapsible spacer and tighten it again to adjust. Refer to
DLN-430, "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. Installation of the remaining components is in the reverse order of removal.
CAUTION:
Check the differential gear oil level after installation. Refer to
DLN-420, "Checking Differential Gear
.
Tool number
: ST30720000 (J-25405)
PDIA0565E
Tool number
(B): ST3127S000 (J-25765-A)
Total preload torque: Refer to
.
WDIA0380E
August 2012
2012 Pathfinder
SIDE OIL SEAL
DLN-423
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R200]
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SIDE OIL SEAL
Removal and Installation
INFOID:0000000007357647
REMOVAL
1. Remove the rear wheel sensor. Refer to
BRC-229, "Removal and Installation"
2. Remove the drive shaft from the rear final drive assembly. Refer to
RAX-8, "Removal and Installation"
.
3. Remove the side flange using Tools.
NOTE:
Circular clip installation position: Rear final drive side
4. Remove the side oil seal using suitable tool.
CAUTION:
Do not to damage gear carrier.
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 Tool.
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. Install the side flange using Tool.
a. Install the Tool to the side oil seal as shown.
b. Insert the side flange until the serrated part of the side flange
has engaged the serrated part of the side gear and remove the
Tool.
c. Drive in the side flange using suitable tool.
NOTE:
Installation is completed when the driving sound of the side
flange turns into a sound which seems to affect the whole rear
final drive assembly.
3. Installation of the remaining components is in the reverse order of removal.
Tool numbers
(A): KV40104100 ( — )
(B): ST36230000 (J-25840-A)
WDIA0115E
SDIA0495E
Tool number
: KV38100200 (J-26233)
SDIA0496E
Tool number
: KV38107900 (J-39352)
SDIA0822E
August 2012
2012 Pathfinder
DLN-424
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R200]
SIDE OIL SEAL
CAUTION:
Check the differential gear oil level after installation. Refer to
DLN-420, "Checking Differential Gear
.
August 2012
2012 Pathfinder
CARRIER COVER
DLN-425
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R200]
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CARRIER COVER
Removal and Installation
INFOID:0000000007357648
REMOVAL
1. Drain the differential gear oil. Refer to
DLN-420, "Changing Differential Gear Oil"
2. Remove the rear final drive assembly. Refer to
DLN-426, "Removal and Installation"
.
3. 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 rear final drive assembly. Refer to
CAUTION:
Fill the rear final drive assembly with recommended differential gear oil. Refer to
"Changing Differential Gear Oil"
.
Tool number
: KV10111100 (J-37228)
WDIA0123E
WDIA0282E
August 2012
2012 Pathfinder
DLN-426
< UNIT REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R200]
REAR FINAL DRIVE
UNIT REMOVAL AND INSTALLATION
REAR FINAL DRIVE
Removal and Installation
INFOID:0000000007357649
COMPONENTS
Rear Final Drive
WDIA0383E
1.
Rear final drive assembly
2.
Upper stopper
3.
Washer
4.
Lower stopper
Front
August 2012
2012 Pathfinder
REAR FINAL DRIVE
DLN-427
< UNIT REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R200]
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Rear Final Drive Breather Hose
REMOVAL
1. Remove the spare tire.
2. Remove the rear stabilizer bar. Refer to
RSU-18, "Removal and Installation"
.
3. Remove the rear propeller shaft. Refer to
DLN-329, "Removal and Installation"
LDIA0166E
1.
Breather hose
2.
Plastic connectors
3.
Rear final drive assembly
4.
Metal connector
5.
Paint mark
August 2012
2012 Pathfinder
DLN-428
< UNIT REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R200]
REAR FINAL DRIVE
4. Remove the rear drive shafts from the rear final drive assembly
and support them using suitable wire. Refer to
5. Disconnect the breather hose from the rear final drive assembly.
6. Remove the rear wheel sensors. Refer to
BRC-229, "Removal and Installation"
7. Place a suitable jack under the rear final drive assembly.
CAUTION:
Do not place the jack on the carrier cover.
8. Remove the nuts and bolts and remove the rear final drive
assembly.
CAUTION:
Secure rear final drive assembly to the jack while removing
it.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
• When installing the breather hose make sure the painted marking on the metal end of breather hose
is to the front of the vehicle and there are no pinched or restricted areas on the breather hose
caused by folding or bending when installing it.
• Make sure the breather hose plastic connectors are in the appropriate holes.
• Check the rear final drive assembly differential gear oil after installation and refill as necessary.
Refer to
DLN-420, "Changing Differential Gear Oil"
.
LDIA0164E
WDIA0117E
August 2012
2012 Pathfinder
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