Nissan X-Trail 32. Manual — part 2123
TM-450
< UNIT REMOVAL AND INSTALLATION >
[CVT: RE0F10D]
TRANSAXLE ASSEMBLY
QR25DE Models
Removal and Installation
INFOID:0000000010622649
REMOVAL
WARNING:
Do not remove the radiator cap when the engine is hot. Serious burns could occur from high pressure
engine coolant escaping from the radiator. Wrap a thick cloth around the cap. Slowly turn it a quarter
turn to allow built-up pressure to escape. Carefully remove the cap by turning it all the way.
CAUTION:
Perform when the engine is cold.
NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-
ing.
1.
Remove engine and transaxle assembly. Refer to
EM-56, "Removal and Installation"
2.
Remove starter motor. Refer to
STR-27, "MR20DD : Removal and Installation"
"QR25DE : Removal and Installation"
3.
Remove the CVT water hoses from engine side. Refer to
TM-431, "MR20DD : Exploded View"
(MR20DD),
TM-433, "QR25DE : Exploded View"
(QR25DE).
4.
Remove transfer assembly. Refer to
DLN-80, "MR20DD : Removal and Installation"
"QR25DE : Removal and Installation"
JSDIA5144GB
Transaxle assembly
O-ring
CVT fluid charging pipe
CVT fluid charging pipe cap
: For the tightening torque, refer to
TM-450, "Removal and Installation"
: Always replace after every disassembly.
: N·m (kg-m, ft-lb)
: N·m (kg-m, in-lb)
: Apply petroleum jelly
TRANSAXLE ASSEMBLY
TM-451
< UNIT REMOVAL AND INSTALLATION >
[CVT: RE0F10D]
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5.
Remove the bolts that fasten the transaxle assembly and engine assembly.
6.
Separate the engine from the transaxle assembly.
NOTE:
Using paint, put matching marks on the drive plate and torque converter when removing the torque con-
verter to drive plate nuts.
7.
Remove following parts from transaxle assembly.
• Control cable bracket [Refer to
TM-406, "MR20DD : Exploded View"
• Air breather hose [Refer to
TM-417, "MR20DD : Exploded View"
(MR20DD),
• CVT water hoses and heater thermostat [Refer to
TM-431, "MR20DD : Exploded View"
(QR25DE).]
• CVT fluid cooler hose and tube [Refer to
TM-436, "MR20DD : Exploded View"
(QR25DE).]
• Charging pipe and O-ring
INSTALLATION
Note the followings and installation is in the reverse order of removal.
NOTE:
Write down the serial number of the new transaxle assembly.
CAUTION:
• When replacing an engine or transaxle you must make sure any dowels are installed correctly during
re-assembly
• Improper alignment caused by missing dowels may cause vibration, oil leaks or breakage of drive
train components.
• Do not reuse O-rings or copper sealing washers.
• When turning crankshaft, turn it clockwise as viewed from the front of the engine.
• When tightening the nuts for the torque converter while securing the crankshaft pulley bolt, be sure
to confirm the tightening torque of the crankshaft pulley bolt. Refer to
(MR20DD),
• After converter is installed to drive plate, rotate crankshaft several turns to check that CVT rotates
freely without binding.
• When installing the CVT to the engine, align the matching mark on the drive plate with the matching
mark on the torque converter.
• When installing the drive plate to torque converter nuts, tighten them temporarily. then tighten the nuts to the
specified torque.
• Install the transaxle assembly and engine assembly mounting bolts according to the following standards.
- MR20DE
JSDIA6075GB
TM-452
< UNIT REMOVAL AND INSTALLATION >
[CVT: RE0F10D]
TRANSAXLE ASSEMBLY
- QR25DE
Inspection and Adjustment
INFOID:0000000010622650
INSPECTION BEFORE INSTALLATION
After inserting a torque converter to the CVT, check dimension (A)
with in the reference value limit.
INSPECTION AFTER INSTALLATION
Check the following items:
• CVT fluid leakage, refer to
.
• For CVT position, refer to
.
• Start the engine and check for coolant leakage from the parts which are removed and reinstalled.
ADJUSTMENT AFTER INSTALLATION
• Adjust the CVT fluid level. Refer to
• Perform "ADDITIONAL SERVICE WHEN REPLACE TRANSAXLE ASSEMBLY". Refer to
.
Bolt No.
Insertion direction
Transaxle to engine
Engine to transaxle
Number of bolts
1
7
Bolt length
mm (in)
55 (2.17)
50 (1.97)
Tightening torque
N·m (kg-m, ft-lb)
62 (6.3, 46)
JSDIA5265ZZ
Bolt No.
Insertion direction
Transaxle to en-
gine
Engine to transaxle
Number of bolts
3
1
1
1
2
2
Bolt length
mm (in)
45
(1.77)
45
(1.77)
45
(1.77)
45
(1.77)
45
(1.77)
35
(1.38)
Bolt pitch
mm
1.75
1.5
1.5
1.75
1.5
—
Tightening torque
N·m (kg-m, ft-lb)
74.5
(7.6,
55)
35.3
(3.6,
26)
48 (4.9,
35)
74.5
(7.6,
55)
42.7
(4.4, 31)
JSDIA4170ZZ
B
: Scale
C
: Straightedge
Dimension (A)
: Refer to
.
JPDIA0115ZZ
TORQUE CONVERTER AND CONVERTER HOUSING OIL SEAL
TM-453
< UNIT DISASSEMBLY AND ASSEMBLY >
[CVT: RE0F10D]
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UNIT DISASSEMBLY AND ASSEMBLY
TORQUE CONVERTER AND CONVERTER HOUSING OIL SEAL
Exploded View
INFOID:0000000010622651
Disassembly
INFOID:0000000010622652
1.
Remove transaxle assembly. Refer to
TM-450, "Removal and Installation"
2.
Remove torque converter from transaxle assembly.
CAUTION:
Never damage the bushing on the inside of torque converter sleeve when removing torque con-
verter.
3.
Remove O-ring from input shaft.
4.
Remove converter housing oil seal using a suitable tool.
CAUTION:
Be careful not to scratch converter housing.
Assembly
INFOID:0000000010622653
Note the followings and assembly is in the reverse order of disassembly.
CAUTION:
• Never reuse O-ring.
• Never reuse converter housing oil seal.
• Apply CVT fluid to O-ring.
• Apply CVT fluid to converter housing oil seal.
Torque converter
O-ring
Converter housing oil seal
Transaxle assembly
: Always replace after every disassembly.
: Apply CVT fluid
JSDIA4173ZZ
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