NHTSA ID Number: 10109257
Manufacturer Communication Number: NTB17-039
TSB/Document Date: 2017-08-01
Summary
2013-2014 PATHFINDER; CVT JUDDER AND DTC P17F0 OR P17F1 STORED IF YOU CONFIRM The customer reports a transmission judder (shake, shudder, single or multiple bumps or vibration) AND One of these DTCs is stored. - P17F0 (CVT_JUDDER (T/M INSPECTION)) - P17F1 (CVT_JUDDER (C/U INSPECTION)) NOTE: - If a transmission judder (as described above) is not reported, this bulletin does not apply. - If either P17F0 or P17F1 are not stored, this bulletin does not apply. - If any DTCs are stored other than P17F0 or P17F0, this bulletin does not apply. - NTB15-014, Enhanced Diagnostic Logic For CVT Judder, has reprogramming instructions that may apply. ACTION - Refer to the Repair Flow Chart on page 2 for CVT repair. CAUTION: Always handle the CVT and component assemblies carefully and with the appropriate lifting tools.
CVT Reassembly
1. Install a new torque converter seal with
Seal Installer J-50818 (Figure 1I).
Place the torque converter housing
flat during installation.
J-50818
Apply a light coat of CVT fluid to the
seal lip surfaces.
The torque converter housing seal will
be 0.5 mm (0.020 inches) below the
bore’s surface when the seal installer
bottoms out.
Figure 1I
J-52284
2. Is this vehicle an all-wheel drive (AWD)?
YES: Proceed to step 3.
NO: Install the torque converter housing
side axle seal (Figure 2I).
J-8092
Use Seal Installer J-52284 and Driver
Handle J-8092.
Apply a light coat of CVT fluid to the
seal lip surfaces.
Converter
housing
Figure 2I
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NTB17-039
Dummy
cover lathe
cut seals
3. Apply petroleum jelly or equivalent to the
dummy cover’s lathe cut seals (Figure
3I) before installing the dummy cover to
the CVT case.
Figure 3I
Input shaft
Input shaft
lathe cut
seals
4. Confirm that the input shaft’s lathe cut
seals are in the correct locations.
Figure 4I
5. Install the dummy cover first, then baffle
plate C, and then the related bolts finger
tight (Figure 5I).
IMPORTANT: Visually check that the
dummy cover is fully seated on the CVT
case. If it is not, refer to Trouble
Shooting pages 81 – 82.
Do not force the dummy cover into
place.
Make sure the dummy cover is fully
seated before installing the bolts.
Do not torque these bolts at this time.
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Dummy
cover, baffle
plate C, and
bolts
Figure 5I
NTB17-039
6. Install baffle plate B and “L” bracket with
the related bolts finger tight (Figure 6I).
Baffle plate B
and bolts
7. Torque the bolts from step 5 and 6 in the
following order:
2
a. Baffle plate B bolts: 5.9 N•m (0.6 kgm, 52.2 in-lb.)
1
b. “L” bracket bolts: 25.5 N-m (2.6 kg-m,
19 ft- lb). Torque 11 and then 22 .
“L” bracket
and bolts
c. Dummy cover and baffle plate C bolts
torque: 19.0 N•m (1.9 kg-m, 14 ft-lb.)
Figure 6I
Thrust washer
8. Install the thrust washer onto the dummy
cover (Figure 7I).
Use petroleum jelly or equivalent to
hold the thrust washer in place.
Make sure the tabs fit into the holes.
Tabs
Figure 7I
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NTB17-039
Drive sprocket
Chain
Driven sprocket
9. Install the drive sprocket, driven sprocket,
and chain as an assembly (Figure 8I).
Make sure the raised edge (wider
edge) on the drive sprocket is facing
up (Figure 8I).
Figure 8I
Raised
edge
Figure 9I
Snap ring
ends
a. Expand the snap ring with a suitable
tool, and then push down on the
driven sprocket until it bottoms out
(Figure 10I).
Driven
sprocket
b. Release the snap ring and then pull
up on the driven sprocket until the
snap ring locks into its groove.
NOTE: A click sound is heard when
the snap ring locks in place.
Figure 10I
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NTB17-039
First baffle
plate nuts
10. Install baffle plate A with two nuts
(Figure 11I).
Nut torque: 5.9 N•m (0.6 kg-m, 52.2
in-lb.)
Figure 11I
11. Install a new O-ring on the input shaft
(Figure 12I).
Apply CVT fluid to the O-ring and Oring groove before installing.
Figure 12I
12. Install the differential assembly and the reduction gear assembly into the CVT case
(Figure 13I).
Thoroughly clean each assembly before installing.
Oil the bearings and gear teeth with CVT fluid before installing.
Reduction gear
assembly
Differential
assembly
Figure 13I
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NTB17-039
13. Confirm the pin (Figure 14I) is located in
the CVT case prior to installation of the
converter housing.
Pin
NOTE: Apply petroleum jelly or
equivalent to keep it in place if
necessary.
Figure 14I
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NTB17-039
14. Apply one continuous 2.0 mm (0.8 inches) diameter bead (Figure 15I) of pink colored
Loctite 5460 Sealant (see the Parts Information section of this bulletin).
Before sealant application, make sure the mating surfaces are clean from oil, dirt,
old sealant, etc. (Figure 15I).
IMPORTANT: Have the converter housing ready for installation prior to applying the
sealant.
NOTE:
Start applying sealant where shown, making sure that the starting point and the
ending point are about the middle between the bolt holes.
Overlap both ends of the bead by 3-5 mm (0.12-0.20 inches).
Make sure to apply sealant around the center bolt hole.
Also apply sealant
around this bolt hole
Figure 15I
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NTB17-039
15. Install the torque converter housing onto the CVT case (see Figure 16I for torque
sequence):
Install new bolts (24).
a. Torque the first six (6) bolts with symbol
b. Torque the remaining bolts with symbol
in numbered sequence (see below).
in numbered sequence (see below).
All bolts are 30 mm (1.2 inches) in length.
Bolt torque: 45.0 N•m (4.6 kg-m, 33.2 ft-lb.)
IMPORTANT: Make sure to torque the bolts in the sequence shown
(Figure 16I).
23
22
21
7
20
19
24
8
9
18
17
10
16
11
15
14
13
12
Figure 16I
16. Clean off the excess sealant.
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NTB17-039
Control Valve (Valve Body) Strainer and Pan Installation
IMPORTANT:
Installation steps in this bulletin may contain different style parts than what were
originally installed in the CVT. Pay careful attention, REASSEMBLY MAY NOT BE
IDENTICAL TO DISASSEMBLY.
Confirm that the QR label, control valve and CD part numbers all match before
installing the control valve (refer to NTB12-103).
For additional information, see video # 547: “CVT Belt and Pulley Replacement” and
fast forward to minute marker 19:52. This video is located under the TECH
TRAINING GARAGE VIDEOS tab in Virtual Academy.
CAUTION: Handle the valve body carefully.
NOTE: If an oil strainer bracket was
removed, discard it. An oil strainer
bracket (Figure 1J) will not be used with
the new oil strainer.
Oil strainer
bracket
Figure 1J
1. Install a new lip seal (Figure 2J).
Do NOT reuse the old lip seal.
Apply a small amount of petroleum
jelly or equivalent to the lip seal to
keep it in place on the CVT.
Lip seal
Figure 2J
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NTB17-039
25 mm bolts
2. Install the Control Valve with eleven (11)
mounting bolts (Figure 3J).
IMPORTANT: Leave four (4)
holes blank at this step.
bolt
CAUTION: Make sure the wiring harness
does not get pinched (see Figures 4J and
5J for correct routing).
54 mm (2.125 inches) long bolt
7 pieces
44 mm (1.73 inches) long bolt
2 pieces
25 mm long (1 inch) long bolt
2 pieces
44 mm bolts
;
;
Figure 3J
;
CAUTION: The two 25 mm bolts are
installed WITHOUT the strainer
bracket.
Bolt torque: 7.9 N•m (0.81 kg-m,
70 in-lb.)
Correctly routed
Incorrectly routed
Figure 4J
Figure 5J
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NTB17-039
3. Replace the metal bracket of the fluid temperature sensor as follows:
NOTE: The new bracket will be oriented the same way the old bracket was.
a. Cut the old plastic zip tie with an appropriate tool to remove the fluid temperature
sensor’s metal bracket from the terminal harness assembly (Figure 6J and Figure
7J).
CAUTION: Cut the plastic zip tie over the metal bracket to avoid damage to the fluid
temperature sensor.
b. Discard the removed metal bracket and plastic zip tie.
c. Use the new plastic zip tie from the Parts Information to attach the fluid temperature
sensor of the terminal connector harness to the fluid temperature sensor’s new
metal bracket.
IMPORTANT:
Locate the plastic zip tie at the center notch of three notches on the fluid
temperature sensor (Figure 7J).
Tighten the plastic zip tie so that it is oriented as shown in Figure 6J.
d. Cut off the plastic zip tie excess.
Fluid temperature
sensor
Fluid temperature
sensor
Plastic zip tie
located at corner
Figure 6J
Plastic zip tie
in center notch
Fluid temperature
Temperatur
sensor’s
e sensor
metal
b k t
bracket
75/86
Figure 7J
NTB17-039
4. Connect the electrical harness connector
(Figure 8J).
Harness
connector
Figure 8J
5. Install the CVT fluid temperature sensor
bracket to the valve body with one (1)
bolt (Figure 9J).
NOTE: Leave one (1) bolt hole blank as it
will be used to secure the oil strainer at a
later step.
54 mm (2.125 inches) long bolt.
1 bolt
Bolt torque: 7.9 N•m (0.81 kg-m,
70 in-lb.)
Figure 9J
6. Install the new oil strainer with its new
O-ring seal with two (2) bolts
(Figure 10J).
NOTE: Replacement strainer maybe a
different shape than the original.
54 mm (2.125 inches) long bolt
2 pieces.
54 mm
bolts
;
Bolt torque: 7.9 N•m (0.81 kg-m,
70 in-lb.)
Figure 10J
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NTB17-039
7. Install the manual plate, lock washer, and
nut (Figure 11J).
Manual plate
NOTE: Make sure the manual plate fits
into the slot of the manual valve before
applying torque to the nut.
Lock washer
Reuse the existing manual plate, lock
washer, and nut.
Slot and manual
plate end
Nut
Nut torque: 22.1 N•m (2.3 kg-m,
16 ft-lb.)
Manual valve
8. Clean the original oil pan and magnets
with a suitable cleaner. Visible debris
should not be present at re-assembly.
Figure 11J
9. Reassemble the original magnets to the
pan.
NOTE: Return the magnets to their
original locations.
10. Install a new oil pan gasket to the pan.
11. Install the oil pan bolts (see Figure 12J).
Reuse the existing pan bolts.
Oil pan bolts torque: 7.9 N•m (0.81
kg-m, 70 in-lb.)
Figure 12J
12. Install a new drain washer to the drain plug on the oil pan.
13. Install the primary speed sensor to the CVT assembly.
IMPORTANT: Install a new O-ring to the speed sensor before installation. DO NOT
reuse the old O-ring.
Bolt torque: 5.9 N•m (0.6 kg-m, 52 in-lb.)
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TSB/Document ID: NTB17-039
Replacement Service Bulletin Number:
MFR Communication Date: 2017-04-27
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
MFR Component System:
MFR Component Subsystem:
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