Nissan Pathfinder (2010 year). Manual — part 199
TRANSFER ASSEMBLY
DLN-165
< DISASSEMBLY AND ASSEMBLY >
[TRANSFER: ATX14B]
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27. Remove the thrust needle bearing race from the clutch piston by
hooking a edge into 3 notches of the thrust needle bearing race
using suitable tool.
CAUTION:
Do not damage clutch piston or thrust needle bearing race.
28. Remove the two D-rings from the clutch piston.
29. Remove the mainshaft rear bearing from the center case using
Tool.
30. Remove the two bolts and oil strainer.
31. Remove the two O-rings from the oil strainer.
SDIA2118E
SDIA2781E
Tool number
: KV38100300 (J-25523)
SDIA2129E
SDIA2119E
SDIA2782E
2010 Pathfinder
DLN-166
< DISASSEMBLY AND ASSEMBLY >
[TRANSFER: ATX14B]
TRANSFER ASSEMBLY
32. Remove the snap ring. Then push the connector assembly into
the center case to remove the control valve assembly.
33. Remove the control valve assembly bolts.
34. Remove the control valve assembly.
CAUTION:
• Do not reuse any part that has been dropped or damaged.
• Make sure valve is assembled in the proper direction.
• Do not use a magnet because residual magnetism stays
during disassembly.
35. Remove the lip seals from the center case.
CAUTION:
There are two kinds of lip seals (lip seal of large inner diam-
eter: 5 pieces, lip seal of small inner diameter: 2 pieces).
Confirm the position before disassembly.
36. Remove the transfer motor bolts and motor from the center
case. Then remove the O-ring from the transfer motor.
37. Remove the sub oil pump cover bolts.
SDIA2122E
SDIA2121E
SDIA2123E
SDIA2133E
SDIA2134E
2010 Pathfinder
TRANSFER ASSEMBLY
DLN-167
< DISASSEMBLY AND ASSEMBLY >
[TRANSFER: ATX14B]
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38. Thread two bolts (M4 x 0.8) into the holes of sub oil pump cover
as shown, and pull out to remove the sub oil pump assembly.
39. Remove the outer gear and inner gear from the sub oil pump
housing.
40. Remove the oil filter bolts and oil filter.
CAUTION:
• Do not damage center case and oil filter.
• Loosen bolts and detach oil filter evenly.
41. Remove the O-rings (1) from the oil filter (2).
42. Remove the oil filter stud from the oil filter.
43. Remove the O-ring from the oil filter stud.
SMT934C
SDIA2135E
SDIA2136E
WDIA0285E
SDIA3180E
2010 Pathfinder
DLN-168
< DISASSEMBLY AND ASSEMBLY >
[TRANSFER: ATX14B]
TRANSFER ASSEMBLY
Control Valve Assembly
1. Disassemble the control valve assembly with the following procedure.
CAUTION:
• Do not reuse any part that has been dropped or damaged.
• Make sure valve is assembled in the proper direction.
• Do not use a magnet because residual magnetism stays during disassembly.
a. Remove all the bolts except for the two shown.
b. Remove the following from the control valve assembly:
• Clutch pressure solenoid valve
• Clutch pressure switch
• 2-4WD shift solenoid valve
• Line pressure switch
• Transfer fluid temperature sensor
c.
Remove the O-rings from each solenoid valve, switch and termi-
nal body.
d. Place the control valve with the lower body facing up. Remove
the two bolts, and then remove the lower body and separator
plate from the upper body.
CAUTION:
Do not drop relief balls. Detach lower body carefully.
e. Make sure the reverse balls, relief balls, relief springs, accumu-
lator pistons and valve springs are securely installed as shown,
and remove them.
WDIA0198E
WDIA0199E
WDIA0200E
SDIA2126E
2010 Pathfinder
TRANSFER ASSEMBLY
DLN-169
< DISASSEMBLY AND ASSEMBLY >
[TRANSFER: ATX14B]
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f.
Remove the retainer plates.
g. Remove each retainer plate (1), plug (2), control valve (3) and
spring (4) from the upper body (5).
INSPECTION AFTER DISASSEMBLY
Shift Rod Components
• Check the working face of the shift rod and fork for wear, partial
wear, bending and other abnormality. If any is found, replace with a
new one.
• Measure the clearance between the shift fork and sleeve. If it is out
of specification, replace it with a new one.
Planetary Carrier
SDIA2127E
WDIA0284E
SMT009D
Specification
SMT010D
2010 Pathfinder
DLN-170
< DISASSEMBLY AND ASSEMBLY >
[TRANSFER: ATX14B]
TRANSFER ASSEMBLY
• Measure the end play of each pinion gear. If it is out of specifica-
tion, replace the planetary carrier assembly with a new one.
• Check the working face of each gear and bearing for damage,
burrs, partial wear, dents and other abnormality. If any is found,
replace the planetary carrier assembly with a new one.
Sun Gear
• Check if the oil passage of the sun gear assembly is clogged. For
this, try to pass a 3.6 mm (0.142 in) dia. pin through the oil pas-
sage as shown.
• Check the sliding and contact surface of each gear and bearing for
damage, burrs, partial wear, dents, and other abnormality. If any is
found, replace the sun gear assembly with a new one.
Internal Gear
• Check the internal gear teeth for damage, partial wear, dents and
other abnormality. If any is found, replace the internal gear with a
new one.
Gears and Drive Chain
• Check the gear faces and shaft for wear, cracks, damage, and sei-
zure.
• Check the surfaces which contact the sun gear, clutch drum, clutch
hub, press flange, clutch piston and each bearing for damage,
peel, partial wear, dents, bending, or other abnormal damage. If
any is found, replace with a new one.
Bearing
Pinion gear end play
PDIA0185E
PDIA0186E
SMT008D
SMT944C
2010 Pathfinder
TRANSFER ASSEMBLY
DLN-171
< DISASSEMBLY AND ASSEMBLY >
[TRANSFER: ATX14B]
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• Make sure the bearings roll freely and are free from noise, pitting
and cracks.
Main Oil Pump
1. Check the inner and outer circumference, tooth face, and side-
face of the inner and outer gears for damage or abnormal wear.
2. Measure the side clearance between the main oil pump housing
edge and the inner and outer gears.
3. Make sure the side clearance is within specification. If the mea-
surement is out of specification, replace the inner and outer
gears with new ones as a set. Refer to
Sub-oil Pump
1. Check the inner and outer circumference, tooth face, and side-
face of the inner and outer gears for damage or abnormal wear.
2. Measure the side clearance between the sub oil pump housing
edge and the inner and outer gears.
3. Make sure the side clearance is within specification. If the mea-
surement is out of specification, replace the inner and outer
gears with new ones as a set. Refer to
Control Valve
• Check resistance between the terminals of the clutch pressure
solenoid valve, 2-4WD shift solenoid valve, clutch pressure switch,
line pressure switch and the transfer fluid temperature sensor.
Refer to
DLN-63, "Component Inspection"
(clutch pressure sole-
noid valve),
DLN-67, "Component Inspection"
(2-4WD solenoid
valve),
DLN-79, "Component Inspection"
(clutch pressure switch),
DLN-82, "Component Inspection"
(transfer fluid temperature sensor).
SDIA2175E
Specification
Refer to
SDIA2174E
Specification
Refer to
SDIA2173E
WDIA0199E
2010 Pathfinder
DLN-172
< DISASSEMBLY AND ASSEMBLY >
[TRANSFER: ATX14B]
TRANSFER ASSEMBLY
• Check the sliding faces of the control valves and plugs for abnor-
mality. If any is found, replace the control valve assembly with a
DLN-189, "Inspection and Adjustment"
CAUTION:
Replace control valve body together with clutch return spring
as a set.
• Check each control valve spring for damage or distortion. Also
check its free length, outer diameter and wire diameter. If any dam-
age or fatigue is found, replace the control valve body with a new
DLN-189, "Inspection and Adjustment"
CAUTION:
Replace control valve body together with clutch return spring
as a set.
Clutch
• Check the drive plate facings and driven plate for damage, cracks
or other abnormality. If any abnormalities are found, replace with a
new one.
• Check the thickness of the drive plate facings and driven plate.
DLN-189, "Inspection and Adjustment"
CAUTION:
• Measure facing thickness at 3 points to take an average.
• Check all drive and driven plates.
• Check return spring for damage or deformation.
• Do not remove spring from plate.
Return Spring
• Check the stamped mark shown. Then, check that the free lengths,
(include thickness of plate) are within specifications. If any abnor-
mality is found, replace with a new return spring assembly of the
same stamped number. Refer to
DLN-189, "Inspection and Adjust-
.
ASSEMBLY
Control Valve Assembly
1. Assemble the control valve assembly with the following procedure.
CAUTION:
• Do not reuse any part that has been dropped or damaged.
• Make sure valve is assembled in the proper direction.
• Do not use a magnet because residual magnetism stays during assembly.
SMT947C
SMT948C
SMT949C
SDIA2176E
2010 Pathfinder
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