Nissan Pathfinder (2011 year). Manual — part 204
DLN-170
< UNIT 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
2011 Pathfinder
TRANSFER ASSEMBLY
DLN-171
< UNIT 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
2011 Pathfinder
DLN-172
< UNIT 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
2011 Pathfinder
TRANSFER ASSEMBLY
DLN-173
< UNIT 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
2011 Pathfinder
DLN-174
< UNIT 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-191, "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-191, "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-191, "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-191, "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
2011 Pathfinder
TRANSFER ASSEMBLY
DLN-175
< UNIT DISASSEMBLY AND ASSEMBLY >
[TRANSFER: ATX14B]
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a. Clean the upper body (5), control valves (3) and springs (4) with
cleaning agent, and dry with compressed air.
b. Dip the control valves in ATF, and apply ATF to the valve-mount-
ing area of the upper body.
c. Install each control valve (3), springs (4), and plugs (2) to the
upper body (5), and install retainer plates (1) to hold them in
place.
CAUTION:
• To insert control valves into upper body, place upper
body on a level surface in order to prevent flaw or dam-
age.
• Make sure each control valve is smoothly inserted.
d. Install the reverse balls, relief balls and relief springs, accumula-
tor pistons and valve springs to the upper body.
e. Install the lower body and separator plate to the upper body.
CAUTION:
Do not reuse separator plates.
f.
With the lower body down, tighten the two bolts shown.
g. Apply ATF to the new O-rings, and install them to each solenoid
valve, switch and terminal body.
CAUTION:
Do not reuse O-rings.
h. Install the following to the control valve assembly:
• Clutch pressure solenoid valve
• Clutch pressure switch
• 2-4WD shift solenoid valve
• Line pressure switch
• Transfer fluid temperature sensor
WDIA0284E
SDIA2127E
SDIA2126E
WDIA0200E
WDIA0198E
2011 Pathfinder
DLN-176
< UNIT DISASSEMBLY AND ASSEMBLY >
[TRANSFER: ATX14B]
TRANSFER ASSEMBLY
Center Case
1. Apply ATF to the new O-ring, and install it on the oil filter stud.
CAUTION:
Do not reuse O-rings.
2. Install the oil filter stud to the oil filter.
3. Apply ATF to the two new O-rings (1), and install them on the oil
filter (2).
CAUTION:
Do not reuse O-rings.
4. Install the oil filter to the center case. Tighten the bolts to the
specified torque. Refer to
DLN-154, "Component Parts Loca-
CAUTION:
• Do not damage oil filter.
• Attach oil filter and tighten bolts evenly.
5. Install the outer gear and inner gear into the sub oil pump hous-
ing, and measure the side clearance. Refer to
.
SDIA3180E
WDIA0285E
SDIA2136E
SDIA2135E
2011 Pathfinder
TRANSFER ASSEMBLY
DLN-177
< UNIT DISASSEMBLY AND ASSEMBLY >
[TRANSFER: ATX14B]
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6. Align the dowel pin hole and bolt hole of the sub oil pump
assembly with the center case. Install the sub oil pump cover.
Then tighten to the specified torque. Refer to
7. Apply ATF to the new O-ring and install it to the transfer motor.
CAUTION:
Do not reuse O-rings.
8. Fit the double-flat end of the transfer motor shaft into the slot of
the sub-oil pump assembly. Then tighten to the specified torque.
DLN-154, "Component Parts Location"
.
CAUTION:
Be sure to install connector bracket.
9. Apply ATF to the new lip seals, and install them to the center
case.
CAUTION:
• Do not reuse lip seals.
• There are 2 kinds of lip seals (lip seal of large inner diam-
eter: 5 pieces, lip seal of small inner diameter: 2 pieces).
Confirm their position for installation.
10. Install the control valve assembly to the center case, and tighten
to the specified torque. Refer to
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.
11. Install the connector assembly into the center case, and secure
with a snap ring.
SDIA2328E
SDIA2787E
SDIA2123E
SDIA2121E
SDIA2122E
2011 Pathfinder
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