Nissan Pathfinder (2010 year). Instruction — part 231
CARRIER COVER
DLN-421
< ON-VEHICLE REPAIR >
[REAR FINAL DRIVE: R200]
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CARRIER COVER
Removal and Installation
INFOID:0000000005258506
REMOVAL
1. Remove the rear final drive assembly. Refer to
DLN-422, "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 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
2010 Pathfinder
DLN-422
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R200]
REAR FINAL DRIVE
REMOVAL AND INSTALLATION
REAR FINAL DRIVE
Removal and Installation
INFOID:0000000005258507
COMPONENTS
Rear Final Drive
WDIA0383E
1.
Rear final drive assembly
2.
Upper stopper
3.
Washer
4.
Lower stopper
Front
2010 Pathfinder
REAR FINAL DRIVE
DLN-423
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R200]
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Rear Final Drive Breather Hose
REMOVAL
1. Remove the spare tire.
2. Drain the differential gear oil. Refer to
DLN-416, "Changing Differential Gear Oil"
3. Remove the rear stabilizer bar. Refer to
RSU-18, "Removal and Installation"
.
4. Remove the rear propeller shaft. Refer to
DLN-325, "Removal and Installation"
LDIA0166E
1.
Breather hose
2.
Plastic connectors
3.
Rear final drive assembly
4.
Metal connector
5.
Paint mark
2010 Pathfinder
DLN-424
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R200]
REAR FINAL DRIVE
5. Remove the rear drive shafts from the rear final drive assembly
and support them using suitable wire. Refer to
6. Disconnect the breather hose from the rear final drive assembly.
7. Remove the rear wheel sensors. Refer to
BRC-125, "Removal and Installation"
8. Place a suitable jack under the rear final drive assembly.
CAUTION:
Do not place the jack on the carrier cover.
9. 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.
• Fill the front final drive assembly with differential gear oil after installation. Refer to
"Changing Differential Gear Oil"
.
LDIA0164E
WDIA0117E
2010 Pathfinder
REAR FINAL DRIVE
DLN-425
< DISASSEMBLY AND ASSEMBLY >
[REAR FINAL DRIVE: R200]
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DISASSEMBLY AND ASSEMBLY
REAR FINAL DRIVE
Exploded View
INFOID:0000000005588050
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.
Side flange
8.
Collapsible spacer
9.
Drive pinion rear bearing
10. Drive pinion height adjusting
washer
11. Drive pinion
12. Side bearing adjusting washer
13. Side bearing
14. Side gear thrust washer
15. Circular clip
16. Side gear
17. Lock pin
18. Pinion mate gear
19. Pinion mate thrust washer
20. Pinion mate shaft
21. Drive gear
22. Differential case
23. Side bearing cap
24. Filler plug
25. Gasket
26. Carrier cover
27. Drain plug
WDIA0295E
2010 Pathfinder
DLN-426
< DISASSEMBLY AND ASSEMBLY >
[REAR FINAL DRIVE: R200]
REAR FINAL DRIVE
Disassembly and Assembly
INFOID:0000000005258508
ASSEMBLY INSPECTION AND ADJUSTMENT
• Drain the differential gear oil before inspection and adjustment. Refer to
DLN-416, "Changing Differential
• Remove and install the carrier cover as necessary for inspection and adjustment. Refer to
Total Preload Torque
1. Remove the side flanges if necessary. Refer to
DLN-419, "Removal and Installation"
.
CAUTION:
The side flanges shaft must removed in order to measure total preload torque.
2. Rotate the drive pinion back and forth 2 to 3 times to check for unusual noise and rotation malfunction.
3. Rotate the drive pinion at least 20 times to check for smooth operation of the bearings.
4. Measure total preload torque using Tool.
NOTE:
Total preload torque = Drive pinion bearing preload torque +
Side bearing preload torque
• If the measured value is out of the specification, check and adjust each part. Adjust the drive pinion
bearing preload torque first, then adjust the side bearing preload torque.
CAUTION:
Select a side bearing adjusting washer for right and left individually.
Drive Gear Runout
1. Fit a dial indicator to the drive gear back face.
2. Rotate the drive gear to measure runout.
• If the runout is outside of the limit, check the condition of the drive
gear assembly. Foreign material may be caught between the drive
gear and differential case, or the differential case or drive gear may
be deformed.
CAUTION:
Replace drive gear and drive pinion as a set.
Tool number
: ST3127S000 (J-25765-A)
Total preload torque:
SPD884
If the total preload torque is greater than specification
On drive pinion bearings: Replace the collapsible spacer.
On side bearings:
Use thinner side bearing adjusting washers by the same
amount on each side. Refer to
DLN-444, "Inspection and Adjust-
If the total preload torque is less than specification
On drive pinion bearings: Tighten the drive pinion lock nut.
On side bearings:
Use thicker side bearing adjusting washers by the same
amount on each side. Refer to
.
Runout limit
Refer to
SPD886
2010 Pathfinder
REAR FINAL DRIVE
DLN-427
< DISASSEMBLY AND ASSEMBLY >
[REAR FINAL DRIVE: R200]
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Tooth Contact
1. Apply red lead to the drive gear.
NOTE:
Apply red lead to both faces of three to four gears, at four loca-
tions evenly spaced on the drive gear.
2. Rotate the drive gear back and forth several times. Then check
for correct drive pinion to drive gear tooth contact as shown.
CAUTION:
Check tooth contact on drive side and reverse side.
3. If the tooth contact is improperly adjusted, follow the procedure
below to adjust the pinion height (dimension X).
• If the tooth contact is near the face (face contact), or near the heel
(heel contact), use a thicker drive pinion height adjusting washers
to move the drive pinion closer to the drive gear.
DLN-444, "Inspection and Adjustment"
SPD357
SDIA0570E
SDIA0517E
PDIA0440E
2010 Pathfinder
DLN-428
< DISASSEMBLY AND ASSEMBLY >
[REAR FINAL DRIVE: R200]
REAR FINAL DRIVE
• If the tooth contact is near the flank (flank contact), or near the toe
(toe contact), use a thinner drive pinion height adjusting washers to
move the drive pinion farther from the drive gear.
DLN-444, "Inspection and Adjustment"
Backlash
1. Fit a dial indicator to the drive gear face to measure the back-
lash.
• If the backlash is outside of the specification, change the thickness
of the side bearing adjusting washers.
CAUTION:
Do not change the total thickness of side bearing adjusting washers as it will change the side bearing
preload torque.
Companion Flange Runout
1. Rotate companion flange and check for runout on the outer face
of the companion flange using suitable tool.
2. If the runout is outside of the runout limit, follow the procedure
below to adjust.
a. Rotate the companion flange on the drive pinion by 90
°
, 180
°
and 270
°
while checking for the position where the runout is
minimum.
b. If the runout is still outside of the runout limit after the companion
flange has been rotated on the drive pinion, possible cause could be an assembly malfunction of drive pin-
ion and drive pinion bearing or a malfunctioning drive pinion bearing.
c.
If the runout is still outside of the runout limit after repair of the assembly of drive pinion and drive pinion
bearing or drive pinion bearing, replace the companion flange.
DISASSEMBLY
Side Flange
1. Drain the differential gear oil if necessary.
PDIA0441E
Backlash:
Refer to
If the backlash is greater than specification:
Make side bearing adjusting washer thicker on drive
gear back side, and side bearing adjusting washer
thinner on drive gear tooth side by the same amount.
Refer to
DLN-444, "Inspection and Adjustment"
.
If the backlash is less than specification:
Make side bearing adjusting washer thinner on drive
gear back side, and side bearing adjusting washer
thicker on drive gear tooth side by the same amount.
Refer to
DLN-444, "Inspection and Adjustment"
.
SPD513
Runout limit
Refer to
WDIA0231E
2010 Pathfinder
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