NHTSA ID Number: 10109251
Manufacturer Communication Number: NTB17-034
TSB/Document Date: 2017-08-01
Summary
2017 SENTRA; CVT JUDDER AND/OR P0746/P0965 STORED IF YOU CONFIRM The customer reports a transmission judder (shake, shudder, single or multiple bumps or vibration), hesitation on acceleration, lack of power or RPM flare. AND/OR One of these DTCs is stored. - P0746 (PRES CNT SOL/A FCTN (L/PRESS SOL/FNCTN)) - P0965 (PRESSURE CONTROL SOLENOID B) ACTION - Refer to the Repair Overview on page 2. CAUTION: Always handle the CVT and component assemblies carefully.
new O-ring.
See Reference # 3 in KIT PARTS
REFERENCE on page 105.
Figure 5T
7. Install the new strainer to the valve body
with the three (3) original bolts.
3 bolts
12 mm (0.5 inches) long bolt.
3 pieces
Bolt torque:
7.9 N•m (0.80 kg-m, 70 in-lbs.)
Strainer
Figure 6T
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NTB17-034
8. Install the original oil pan with a new oil
pan gasket using the original bolts.
Bolt torque:
5.6 N•m (0.60 kg-m, 50 in-lbs.)
NOTE: See Reference # 2 in KIT
PARTS REFERENCE on page 105.
Figure 7T
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Seal the Sub-assembly Cover
1. Reposition the CVT on the work bench
with the torque converter housing side
facing down.
Side cover
2. Remove the two temporary side cover
bolts.
Figure 1U
Pulley bearing
retainer bolts
3. Remove the two pulley bearing retainer
bolts.
These bolts will be reused later in this
procedure.
Figure 2U
4. Remove the side cover.
Use a slide hammer (J-25721-A) if
needed.
There are three slide hammer tool
locations on the side cover.
NOTE: Figure 3U shown with side cover
removed.
Figure 3U
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5. Install the original lubrication tube into the
CVT case.
Place the fluid jet nozzle under the
CVT belt and then insert the
lubrication tube into the CVT case.
Lubrication
tube
CAUTION: Take care not to contact the
CVT belt with any tools during tube
installation.
Figure 4U
Lubrication
tube bolt
6. Install the original lubrication tube bolt.
16 mm (0.6 inch) long bolt.
Bolt torque:
6.8 N•m (0.70 kg-m, 60 in-lb)
Lubrication
tube
Figure 5U
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NTB17-034
7. Apply sealant to the side cover sealing surface of the CVT case.
Sealant bead diameter: 2.0 mm
Sealant:
Loctite 5460 (See the Parts Information section of this bulletin)
Color: Pink
IMPORTANT:
Confirm that the mating surfaces are clean before applying sealant.
Make sure that the starting point and the ending point of the sealant is
between two bolt holes. Overlap both ends of the bead by 3 – 5 mm.
CAUTION: Be careful not to contact or contaminate the sealant. If the sealant has
been disturbed or contaminated in any way before side cover assembly is installed,
remove the sealant completely and re-apply.
Overlap
3 mm to 5 mm
Figure 6U
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NTB17-034
Assembly Guide
Pins, Pulley Bracket
(Guide Pin J-52272)
Case bolt
hole
8. Screw in Guide Pin (J-52272) to either
one of two female bolt threads of the
pulley bearing retainer.
Place the guide pin next to the case
bolt hole as shown in Figure 7U.
9. Install side cover.
Figure 7U
10. Install eleven (11) new side cover bolts,
and then torque all of the side cover
bolts to the specified torque in the
sequence shown in Figure 8U.
6
2
4
11
7
Side cover
8
32.8 mm (1.3 inches) long bolt.
11 pieces
Bolt torque:
27.1 N•m (2.8 kg-m, 20 ft-lbs.)
10
9
3
5
1
NOTE: See Reference # 6 in KIT
PARTS REFERENCE on page 105.
Figure 8U
11. Remove the O-rings that came on the
new bearing retainer bolts and replace
them with new O-rings from Parts
Information.
NOTE: See Reference # 8 in KIT
PARTS REFERENCE on page 105.
12. Screw in one (1) original pulley bearing
retainer bolt, hand tight.
Pulley retainer bolts
Figure 9U
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NTB17-034
Side
cover
13. Remove the Guide Pin (J-52272) and
then install the other pulley bearing
retainer bolt, hand tight.
Guide Pin
14. Torque the two pulley bearing retainer
bolts to specified torque.
Bolt torque:
28.8 N•m, (2.90 kg-m, 21 ft-lbs.)
Figure 10U
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Install the Exterior Parts
1. Install new O-rings to the original output speed sensor, primary pulley speed sensor and
secondary pulley speed sensor and then install them to the CVT.
Use a new O-rings (non-reusable).
NOTE: See Reference # 19 in KIT PARTS REFERENCE on page 106.
Apply CVT Fluid to the O-rings before installation.
16 mm (0.6 inches) long bolts.
Bolt torque: 5.6 N•m (0.60 kg-m, 50 in-lbs.)
Primary speed sensor
Secondary speed sensor
Figure 1V
Output speed sensor
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NTB17-034
CVT fluid filter
2. Install a new fluid filter to the CVT case.
Make sure a grommet is attached to
the fluid filter.
Apply CVT Fluid to the grommet of
the fluid filter.
NOTE: See Reference # 16 in KIT
PARTS REFERENCE on page 106.
Figure 2V
O-ring
3. Install new O-ring to the fluid filter cover.
Apply CVT fluid to the O-ring.
NOTE: See Reference # 15 in KIT
PARTS REFERENCE on page 106.
Figure 3V
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4. Install the fluid filter cover to the CVT
case as follows:
Side cover tab
a. Locate the tab of the fluid filter cover
below the tab of the side cover.
b. Push the fluid filter cover onto the
CVT case.
c. Rotate the fluid filter cover clockwise,
and then match the bolt hole of the
fluid filter cover and the bolt hole of
the CVT case.
Fluid filter
cover tab
CVT case
bolt hole
Figure 4V
Confirm that the fluid filter tab is
underneath the side cover tab.
Fluid filter tab underneath
the side cover tab
Fluid filter
cover bolt
d. Install the original bolt.
16 mm (0.6 inches) long bolt.
Bolt torque:
6.8 N•m (0.70 kg-m, 60 in-lbs.)
Fluid filter cover
Figure 5V
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Install and Adjustment the Transmission Range Switch
1. Rotate the manual shaft to the “N”
position (two clicks from
counterclockwise or left hard stop).
Manual
lever
Guide hole
2. Remove the lock nut, washer and manual
lever from the manual shaft.
They will be reused.
3. Adjust the transmission range switch
position as follows:
a. Install the alignment pin (#J-52306-2)
into the Transmission Range Switch
Alignment Bracket (#J-52306-1) as
shown in Figure 2W.
b. Attach the combined alignment tool
onto the manual shaft as shown in
Figure 3W with part number facing
out.
NOTE: The combined alignment tool
will only insert into the transmission
range switch while in Neutral.
Lock nut,
washer
Figure 1W
Alignment Pin
(#J-52306-2)
Transmission Range Switch
Alignment Bracket (#J-52306-1)
Transmission range switch may
need to be rotated to allow pin to
align.
Alignment pin will insert into guide
hole in the transmission range
switch (Figure 1W).
c. Install the two original bolts for the
transmission range switch
(Figure 3W).
Figure 2W
Bolt torque:
5.6 N•m (0.60 kg-m, 50 in-lbs.)
Transmission
Range Switch
Remove the adjustment tool when
complete.
4 Install the manual lever to the manual
shaft.
a. Set the original manual lever onto the
manual shaft.
b. Install the washer and the lock nut.
Part number
facing out
c. Torque the lock nut.
Nut torque:
16.3 N•m (1.7 kg-m, 12 ft-lbs.)
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Figure 3W
NTB17-034
Install the Oil Seals and the Torque Converter
1. Install the differential side oil seal to the CVT case (Figure 1X).
Use a new oil seal (non-reusable). See Reference # 18 in KIT PARTS
REFERENCE on page 106.
CAUTION:
Apply CVT Fluid to the oil seal before installation.
Drive the differential side oil seal in until the amount of oil seal protrusion from
the CVT case edge matches dimension C shown in Figure 1X.
CVT Case
Differential Seal
Installer #J-52281
Dimension C: 1.8 ± 0.5 mm,
(0.071 ± 0.020 in)
Figure 1X
2. Install the differential side oil seal to the converter housing (Figure 2X).
Use a new oil seal (non-reusable). See Reference # 18 in KIT PARTS
REFERENCE on page 106.
CAUTION:
Apply CVT Fluid to the oil seal before installation.
Drive the differential side oil seal in until the amount of oil seal protrusion from
the torque converter housing edge matches the dimension D shown in Figure 2X.
CVT Case
Differential Seal
Installer #J-52281
Dimension D: 1.8 ± 0.5 mm,
(0.071 ± 0.020 in)
Figure 2X
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NTB17-034
3. Install the torque converter housing oil seal to the torque converter housing (Figure 3X).
Use a new oil seal (non-reusable).
NOTE: See Reference # 17 in KIT PARTS REFERENCE on page 106.
CAUTION:
Apply CVT Fluid to the oil seal before installation.
Drive the converter housing oil seal evenly so that converter housing oil seal sits
below the case by dimension E as shown in Figure 3X.
CVT2 Oil Pump
Seal Installer
#J-52278
Dimension E: 1.3 ± 0.5 mm,
(0.051 ± 0.020 in)
Figure 3X
4. Place the CVT on a work surface with the
oil pan side facing down.
5. Install the original torque converter.
CAUTION: Locate the two oil pump
engagement tabs on the end of the
torque converter snout horizontally while
inserting to avoid damaging the torque
converter oil seal.
Figure 4X
6. Measure dimension A to confirm that the
torque converter is installed to the correct
position.
Dimension A: 14.4 mm (0.567 in)
Figure 5X
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NTB17-034
Install the CVT Assembly
1. Install the CVT assembly in the vehicle.
Refer to the ESM, section TM-Transaxle & Transmission, for CVT installation.
2. Connect both battery cables, negative cable last.
3. Fill Transmission with CVT fluid.
4. Reset/reinitialize systems as needed.
Refer to the ESM, section PG – Power Supply & Ground Elements, for a listing of
systems that require reset/initialization after reconnecting the 12V battery.
Look in the PG section index for ADDITIONAL SERVICE WHEN REMOVING
BATTERY NEGATIVE TERMINAL.
This list often includes items such as radio, power windows, clock, sunroof, etc.
ADDITIONAL SERVICE WHEN REPLACING TRANSAXLE ASSEMBLY
The following procedures, starting on the next page, must be performed in this order.
a. ERASE CALILBRATION DATA………………………………………………Page 95
b. ERASE LEARNING VALUE…………………………………………………..Page 96
c. CONFORM CVTF DETERIORTN………………………………………….....Page 98
d. Auxiliary gearbox clutch point learning…………………………………..Page 100
e. Erase DTCs
Proceed to the next page.
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NTB17-034
1. Connect the CONSULT PC to the vehicle.
2. Start CONSULT III PLUS (C-III plus).
3. Wait for the plus VI to be recognized.
The serial number will display when the plus VI is recognized.
4. Navigate C-III plus to the screen shown in Figure 1Y below.
Diagnosis (All Systems) / TRANSMISSION / Work support
5. Select ERASE CALILBRATION DATA.
6. Select Start.
Step
5
Step
6
Figure 1Y
7. Select Start.
Step
7
Figure 2Y
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NTB17-034
8. When the Current status changes to COMPLETED, select End.
Step
8
Figure 3Y
9. With the C-III plus still connected, select ERASE LEARNING VALUE.
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TSB/Document ID: NTB17-034
Replacement Service Bulletin Number:
MFR Communication Date: 2017-04-26
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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