Nissan Pathfinder (2005 year). Instruction — part 261
FRONT FINAL DRIVE ASSEMBLY
FFD-31
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FFD
2005 Pathfinder
9.
Install companion flange.
NOTE:
When reusing drive pinion, align the matching mark of drive pin-
ion with the matching mark A of companion flange, then install
companion flange.
10. Apply gear oil to the thread and seat of drive pinion lock nut, and
temporarily tighten drive pinion lock nut to drive pinion.
CAUTION:
Do not reuse drive pinion lock nut.
11. Adjust the drive pinion lock nut tightening torque and pinion
bearing preload torque using Tools.
CAUTION:
●
Adjust the lower limit of the drive pinion lock nut tighten-
ing torque first.
●
If the preload torque exceeds the specified value, replace
collapsible spacer and tighten it again to adjust. Do not
loosen drive pinion lock nut to adjust the preload torque.
●
After adjustment, rotate drive pinion back and forth 2 to 3
times to check for unusual noise, rotation malfunction, and other malfunctions.
12. Install differential case assembly. Refer to
FFD-32, "Differential Assembly"
.
CAUTION:
Do not install rear cover yet.
13. Check and adjust drive gear runout, tooth contact, drive gear to drive pinion backlash, and companion
flange runout. Refer to
,
,
,
FFD-20, "Companion Flange Runout"
.
Recheck above items. Readjust the above description, if necessary.
14. Check total preload torque. Refer to
FFD-17, "Total Preload Torque"
.
15. Install rear cover. Refer to
FFD-32, "Differential Assembly"
.
16. Install side shaft assembly. Refer to
.
PDIA0675E
Tool number
A: KV38108300 (J-44195)
B: ST3127S000 (J-25765-A)
Drive pinion lock nut tightening torque:
186 - 294 N·m (19 - 29 kg-m, 138 - 216 ft-lb)
Drive pinion bearing preload:
1.08 - 1.66 N·m (0.11 - 0.16 kg-m, 10 - 14 in-lb)
PDIA0710E
FFD-32
FRONT FINAL DRIVE ASSEMBLY
2005 Pathfinder
Differential Assembly
1.
Install 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 thrust washers into differential case.
CAUTION:
Make sure that the circular clip is installed to side gears.
3.
Align 2 pinion mate gears in diagonally opposite positions, then
rotate and install them into differential case after installing thrust
washer to pinion mate gear.
4.
Align the lock pin holes on differential case with shaft, and install
pinion mate shaft.
5.
Measure side gear end play. If necessary, select the appropriate
side gear thrust washers. Refer to
.
6.
Drive a lock pin into pinion mate shaft, using suitable tool.
Make sure lock pin is flush with differential case.
CAUTION:
Do not reuse lock pin.
SDIA0193J
SDIA2025E
SDIA0195J
SPD030
FRONT FINAL DRIVE ASSEMBLY
FFD-33
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2005 Pathfinder
7.
Align the matching mark of differential case with the mark of
drive gear, then place drive gear.
8.
Apply thread locking sealant into the thread hole of drive gear.
●
Use Genuine High Strength Thread Locking Sealant or
equivalent. Refer to
.
CAUTION:
Make sure the drive gear back and threaded holes are
clean.
9.
Install drive gear on the bolts, and then tighten to the specified
torque. Refer to
.
CAUTION:
●
Tighten bolts in a crisscross pattern.
●
After tightening the bolts to the specified torque, tighten
the bolts an additional 31 to 36 degrees.
10. Press side bearing inner races to differential case, using Tools.
CAUTION:
Do not reuse side bearing inner race.
11. Install housing spacer.
SDIA2593E
SDIA2594E
SDIA0247J
Tool number
A: ST33230000 (J-35867)
B: ST33061000 (J-8107-2)
SPD353
FFD-34
FRONT FINAL DRIVE ASSEMBLY
2005 Pathfinder
12. Apply gear oil to side bearings, and install differential case
assembly with side bearing outer races into gear carrier.
13. Insert left and right original side bearing adjusting washers in
place between side bearings and gear carrier, using Tool.
14. Align matching mark on bearing cap with that on gear carrier.
15. Install bearing caps and tighten bearing cap bolts to the speci-
fied torque. Refer to
.
16. Drive side oil seal until it becomes flush with the case end using
Tools.
CAUTION:
●
Do not reuse oil seal.
●
Do not incline oil seal when installing.
●
Apply multi-purpose grease onto oil seal lips, and gear
oil onto the circumference of oil seal.
17. Check and adjust drive gear runout, tooth contact, drive gear to
drive pinion backlash, and total preload torque. Refer to
,
,
,
FFD-17, "Total Preload Torque"
.
Recheck above items. Readjust the above description, if necessary.
SPD527
Tool number
: KV38100600 (J-25267)
PDIA0706E
PDIA0700E
Tool number
A: ST30720000 (J-25405)
B: ST27863000 (
—
)
PDIA0711E
FRONT FINAL DRIVE ASSEMBLY
FFD-35
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FFD
2005 Pathfinder
18. Apply sealant to mating surface of rear cover.
●
Use Genuine Silicone RTV or equivalent. Refer to
"Recommended Chemical Products and Sealants"
.
CAUTION:
Remove old sealant adhering to mating surfaces. Also
remove any moisture, oil, or foreign material adhering to
application and mating surfaces.
19. Install rear cover on gear carrier and tighten bolts with the spec-
ified torque. Refer to
.
20. Install side shaft assembly. Refer to
.
Side Shaft
1.
Press side shaft bearing to side shaft.
CAUTION:
Do not reuse bearing.
2.
Install snap ring (shaft side).
3.
Install side shaft assembly into gear carrier.
4.
Install snap ring (hole side).
5.
Drive side oil seal until it becomes flush with the case end using
Tools.
CAUTION:
●
Do not reuse oil seal.
●
Do not incline oil seal when installing.
●
Apply multi-purpose grease onto oil seal lips, and gear
oil onto the circumference of oil seal.
PDIA0712E
PDIA0719E
Tool number
A: ST30720000 (J-25405)
B: ST27863000 (
—
)
PDIA0828E
FFD-36
SERVICE DATA AND SPECIFICATIONS (SDS)
2005 Pathfinder
SERVICE DATA AND SPECIFICATIONS (SDS)
PFP:00030
General Specifications
UDS000WQ
Inspection and Adjustment
UDS000WR
DRIVE GEAR RUNOUT
Unit: mm (in)
DIFFERENTIAL SIDE GEAR CLEARANCE
Unit: mm (in)
PRELOAD TORQUE
Unit: N·m (kg-m, in-lb)
BACKLASH
Unit: mm (in)
COMPANION FLANGE RUNOUT
Unit: mm (in)
SELECTIVE PARTS
Side Gear Thrust Washer
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
Applied model
VQ40DE
Final drive model
R180A
Gear ratio
3.357
Number of teeth (Drive gear/Drive pinion)
47/14
Oil capacity (Approx.)
(US pt, lmp pt)
0.85 (1-3/4, 1-1/2)
Number of pinion gears
2
Drive pinion adjustment spacer type
Collapsible
Item
Runout limit
Drive gear back face
0.08 (0.0031) or less
Item
Specification
Side gear backlash (Clearance between side gear and differential
case)
0.1 (0.004) or less
(Each gear should rotate smoothly without excessive resistance
during differential motion.)
Item
Specification
Pinion bearing (P
1
)
1.08 - 1.66 (0.11 - 0.16, 10 - 14)
Side bearing (P
2
)
0.59 - 1.08 (0.06 - 0.11, 6 - 9)
Side bearing to pinion bearing (Total preload)
(Total preload = P
1
+ P
2
)
1.67 - 2.74 (0.17 - 0.27, 15 - 24)
Item
Specification
Drive gear to drive pinion gear
0.10 - 0.15 (0.0039 - 0.0059)
Item
Runout limit
Companion flange face
0.1 (0.004) or less
Inner side of the companion flange
0.1 (0.004) or less
Thickness
Part number*
Thickness
Part number*
0.75 (0.0295)
0.78 (0.0307)
0.81 (0.0319)
0.84 (0.0331)
38424 W2010
38424 W2011
38424 W2012
38424 W2013
0.87 (0.0343)
0.90 (0.0354)
0.93 (0.0366)
0.96 (0.0378)
38424 W2014
38424 W2015
38424 W2016
38424 W2017
SERVICE DATA AND SPECIFICATIONS (SDS)
FFD-37
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2005 Pathfinder
Pinion Height Adjusting Washer
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
Side Bearing Adjusting Washer
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
Thickness
Part number*
Thickness
Part number*
3.09 (0.1217)
3.12 (0.1228)
3.15 (0.1240)
3.18 (0.1252)
3.21 (0.1264)
3.24 (0.1276)
3.27 (0.1287)
3.30 (0.1299)
3.33 (0.1311)
3.36 (0.1323)
38154 EA000
38154 EA001
38154 EA002
38154 EA003
38154 EA004
38154 EA005
38154 EA006
38154 EA007
38154 EA008
38154 EA009
3.39 (0.1335)
3.42 (0.1346)
3.45 (0.1358)
3.48 (0.1370)
3.51 (0.1382)
3.54 (0.1394)
3.57 (0.1406)
3.60 (0.1417)
3.63 (0.1429)
3.66 (0.1441)
38154 EA010
38154 EA011
38154 EA012
38154 EA013
38154 EA014
38154 EA015
38154 EA016
38154 EA017
38154 EA018
38154 EA019
Thickness
Part number*
Thickness
Part number*
1.95 (0.0768)
2.00 (0.0787)
2.05 (0.0807)
2.10 (0.0827)
2.15 (0.0846)
2.20 (0.0866)
2.25 (0.0886)
2.30 (0.0906)
38453 EA000
38453 EA001
38453 EA002
38453 EA003
38453 EA004
38453 EA005
38453 EA006
38453 EA007
2.35 (0.0925)
2.40 (0.0945)
2.45 (0.0965)
2.50 (0.0984)
2.55 (0.1004)
2.60 (0.1024)
2.65 (0.1043)
38453 EA008
38453 EA009
38453 EA010
38453 EA011
38453 EA012
38453 EA013
38453 EA014
FFD-38
SERVICE DATA AND SPECIFICATIONS (SDS)
2005 Pathfinder
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