2005 NISSAN X-TRAIL torque

EM-94
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CYLINDER BLOCK

CAUTION:

Be careful not damage or deform signal plate mounted on
crankshaft.

When setting crankshaft on a flat floor surface, use a
block of wood to avoid interference between signal plate
and the floor surface.

Do not remove signal plate unless it is necessary to do
so.
NOTE:
When removing or installing signal plate, use TORX socket (size
T30).
18. Pull rear oil seal out from rear end of crankshaft.
NOTE:
When replacing rear oil seal without removing lower cylinder block, use a screwdriver to pull it out from
between crankshaft and cylinder block.
CAUTION:
Be careful not to damage crankshaft and cylinder block.
19. Remove main bearings and thrust bearings from cylinder block and lower cylinder block.
CAUTION:
Identify installation positions, and store them without mixing them up.
ASSEMBLY
1. Fully air-blow engine coolant and engine oil passages in cylinder block, cylinder bore and crankcase to
remove any foreign material.
CAUTION:
Use a goggles to protect your eye.
2. Install each plug to cylinder block as shown in the figure.

Apply liquid gasket to the thread of water drain plug “A”.
Use Genuine Liquid Gasket or equivalent.
NOTE:
Do not apply liquid gasket to the thread of plug “B”.

Tighten each plug as specified below.
3. Install main bearings and thrust bearings with the following procedure:
a. Remove dust, dirt, and engine oil on the bearing mating surfaces of cylinder block and lower cylinder
block.
SBIA0275E
PBIC2770E
Part Washer Tightening torque
A No 9.8 N·m (1.0 kg-m, 87 in-lb)
B Yes 53.9 N·m (5.5 kg-m, 40 ft-lb)

CYLINDER BLOCK
EM-109
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CONNECTING ROD BEND AND TORSION

Check with a connecting rod aligner.

If it exceeds the limit, replace connecting rod assembly.
CONNECTING ROD BIG END DIAMETER

Install connecting rod cap without connecting rod bearing installed, and tightening connecting rod bolts to
the specified torque. Refer to EM-94, "
ASSEMBLY" for the tightening procedure.

Measure the inner diameter of connecting rod big end with an
inside micrometer.

If out of the standard, replace connecting rod assembly.
CONNECTING ROD BUSHING OIL CLEARANCE
Connecting Rod Bushing Inner Diameter
Measure the inner diameter of connecting rod bushing with an inside
micrometer.Bend:
Limit: 0.15 mm (0.0059 in) per 100 mm (3.94 in) length
To r s i o n :
Limit: 0.30 mm (0.0118 in) per 100 mm (3.94 in) length
PBIC2077E
Standard: 48.000 - 48.013 mm (1.8898 - 1.8903 in)
PBIC1641E
Standard: 20.000 - 20.012 mm (0.7874 - 0.7879 in)
PBIC0120E

CYLINDER BLOCK
EM-111
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Measure the distortion on the cylinder block upper face at some
different points in six directions with a straight edge and feeler
gauge.

If it exceeds the limit, replace cylinder block.
MAIN BEARING HOUSING INNER DIAMETER

Install lower cylinder block without main bearings installed, and
tighten lower cylinder block mounting bolts to the specified
torque. Refer to EM-94, "
ASSEMBLY" for the tightening proce-
dure.

Measure the inner diameter of main bearing housing with a bore
gauge.

If out of the standard, replace cylinder block and lower cylinder
block assembly.
NOTE:
Cylinder block cannot be replaced as a single, because it is
machined together with lower cylinder block.
PISTON TO CYLINDER BORE CLEARANCE
Cylinder Bore Inner Diameter

Using a bore gauge, measure the cylinder bore for wear, out-of-
round and taper at six different points on each cylinder. (“X” and
“Y” directions at “A”, “B” and “C”) (“Y” is in longitudinal direction
of engine)
NOTE:
When determining cylinder bore grade, measure the cylinder
bore at “B” position.

If the measured value exceeds the limit, or if there are scratches and/or seizure on the cylinder inner wall,
hone or re-bore the cylinder inner wall.

Oversize piston is provided. When using oversize piston, re-bore the cylinder so that the clearance of the
piston to cylinder bore satisfies the standard.
CAUTION:
When using oversize piston, use it for all cylinders with oversize piston rings.Limit: 0.1 mm (0.004 in)
PBIC0121E
Standard: 58.944 - 58.968 mm (2.3206 - 2.3216 in)
PBIC2012E
Standard inner diameter:
89.010 - 89.030 mm (3.5043 - 3.5051 in)
Wear limit:
0.2 mm (0.008 in)
Out-of-round (Difference between “X” and “Y”):
0.015 mm (0.0006 in)
Taper limit (Difference between “A” and “C”):
0.01 mm (0.0004 in)
Oversize (OS): 0.2 mm (0.008 in)
SBIA0284E

EM-112
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CYLINDER BLOCK

Piston Skirt Diameter
Measure the outer diameter of piston skirt with a micrometer.
Piston to Cylinder Bore Clearance
Calculate by piston skirt diameter and cylinder bore inner diameter (direction “X”, position “B”).
(Clearance) = (Cylinder bore inner diameter) – (Piston skirt diameter)

If it exceeds the limit, replace piston and piston pin assembly. Refer to EM-100, "HOW TO SELECT PIS-
TON" .
Re-boring Cylinder Bore
1. Cylinder bore size is determined by adding piston to cylinder bore clearance to piston skirt diameter.
2. Install lower cylinder block, and tighten mounting bolts to the specified torque. Otherwise, cylinder bores
may be distorted in final assembly. Refer to EM-94, "
ASSEMBLY" for the tightening procedure.
3. Cut cylinder bores.
NOTE:

When any cylinder needs boring, all other cylinders must also be bored.

Do not cut too much out of cylinder bore at a time. Cut only 0.05 mm (0.0020 in) or so in diameter at a
time.
4. Hone cylinders to obtain specified piston to cylinder bore clearance.
5. Measure the finished cylinder bore for out-of-round and taper.
NOTE:
Measurement should be done after cylinder bore cools down.
CRANKSHAFT MAIN JOURNAL DIAMETER

Measure the outer diameter of crankshaft main journals with a
micrometer.

If out of the standard, measure the main bearing oil clearance.
Then use undersize bearing. Refer to EM-114, "
MAIN BEARING
OIL CLEARANCE" . Measure point
: Distance from the top 42.0 mm (1.654 in)
Standard
: 88.990 - 89.010 mm (3.5035 - 3.5043 in)
PBIC0125E
Standard : 0.010 - 0.030 mm (0.0004 - 0.0012 in)
Limit : 0.08 mm (0.0031 in)
Re-bored size calculation: D = A + B - C
where,
D: Bored diameter
A: Piston diameter as measured
B: Piston - to - cylinder bore clearance (standard value)
C: Honing allowance 0.02 mm (0.0008 in)
Standard: 54.955 - 54.979 mm (2.1636 - 2.1645 in) dia.
PBIC0270E

CYLINDER BLOCK
EM-113
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CRANKSHAFT PIN JOURNAL DIAMETER

Measure the outer diameter of crankshaft pin journal with a micrometer.

If out of the standard, measure the connecting rod bearing oil clearance. Then use undersize bearing.
Refer to EM-113, "
CONNECTING ROD BEARING OIL CLEARANCE" .
OUT-OF-ROUND AND TAPER OF CRANKSHAFT

Measure the dimensions at four different points as shown in the
figure on each main journal and pin journal with a micrometer.

Out-of-round is indicated by the difference in dimensions
between “X” and “Y” at “A” and “B”.

Taper is indicated by the difference in dimension between “A”
and “B” at “X” and “Y”.

If the measured value exceeds the limit, correct or replace crankshaft.

If corrected, measure the bearing oil clearance of the corrected main journal and/or pin journal. Then
select main bearing and/or connecting rod bearing. Refer to EM-114, "
MAIN BEARING OIL CLEAR-
ANCE" and/or EM-113, "CONNECTING ROD BEARING OIL CLEARANCE" .
CRANKSHAFT RUNOUT

Place a V-block on a precise flat table to support the journals on
the both end of the crankshaft.

Place a dial indicator straight up on the No. 3 journal.

While rotating crankshaft, read the movement of the pointer on
the dial indicator. (Total indicator reading)

If it exceeds the limit, replace crankshaft.
CONNECTING ROD BEARING OIL CLEARANCE
Method by Calculation

Install connecting rod bearings to connecting rod and cap, and tighten connecting rod bolts to the speci-
fied torque. Refer to EM-94, "
ASSEMBLY" for tightening procedure.

Measure the inner diameter of connecting rod bearing with an
inside micrometer.
(Bearing oil clearance) = (Connecting rod bearing inner diame-
ter) – (Crankshaft pin journal diameter)

If clearance exceeds the limit, select proper connecting rod
bearing according to connecting rod big end diameter and
crankshaft pin journal diameter to obtain specified bearing oil
clearance. Refer to EM-100, "
HOW TO SELECT CONNECTING
ROD BEARING" .
Method of Using Plastigage

Remove engine oil and dust on crankshaft pin and the surfaces of each bearing completely. Standard: 44.956 - 44.974 mm (1.7699-1.7706 in) dia.
Limit:
Out-of-round (Difference between “X” and “Y”)
: 0.005 mm (0.0002 in)
Taper (Difference between “A” and “B”)
: 0.005 mm (0.0002 in)
PBIC2203E
Limit:
QR20DE: 0.03 mm (0.0012 in)
QR25DE: 0.05 mm (0.0020 in)
PBIC2541E
Standard : 0.028 - 0.045 mm (0.0011 - 0.0018 in)
Limit : 0.10 mm (0.0039 in)
PBIC1642E

EM-114
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CYLINDER BLOCK


Cut a plastigage slightly shorter than the bearing width, and place it in crankshaft axial direction, avoiding
oil holes.

Install connecting rod bearings to connecting rod and cap, and tighten connecting rod bolts to the speci-
fied torque. Refer to EM-94, "
ASSEMBLY" for the tightening procedure.
CAUTION:
Do not rotate crankshaft.

Remove connecting rod cap and bearing, and using the scale on
the plastigage bag, measure the plastigage width.
NOTE:
The procedure when the measured value exceeds the limit is
same as that described in the “Method by Calculation”.
MAIN BEARING OIL CLEARANCE
Method by Calculation

Install main bearings to cylinder block and lower cylinder block, and tighten lower cylinder block mounting
bolts to the specified torque. Refer to EM-94, "
ASSEMBLY" for the tightening procedure.

Measure the inner diameter of main bearing with a bore gauge.
(Bearing oil clearance) = (Main bearing inner diameter) – (Crank-
shaft main journal diameter)

If clearance exceeds the limit, select proper main bearing
according to main bearing inner diameter and crankshaft main journal diameter to obtain specified bearing
oil clearance. Refer to EM-102, "
HOW TO SELECT MAIN BEARING" .
Method of Using Plastigage

Remove engine oil and dust on crankshaft main journal and the surfaces of each bearing completely.

Cut a plastigage slightly shorter than the bearing width, and place it in crankshaft axial direction, avoiding
oil holes.

Install main bearings to cylinder block and lower cylinder block, and tighten lower cylinder block mounting
bolts to the specified torque. Refer to EM-94, "
ASSEMBLY" for the tightening procedure.
CAUTION:
Do not rotate crankshaft.

Remove lower cylinder block and bearings, and using the scale
on the plastigage bag, measure the plastigage width.
NOTE:
The procedure when the measured value exceeds the limit is
same as that described in the “Method by Calculation”.
PBIC1149E
Standard:
No. 1, 3 and 5 journals
: 0.012 - 0.022 mm (0.0005 - 0.0009 in)
No. 2 and 4 journals
: 0.018 - 0.028 mm (0.0007 - 0.0011 in)
Limit : 0.1 mm (0.004 in)
PBIC2204E
PBIC1149E

CYLINDER BLOCK
EM-115
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MAIN BEARING CRUSH HEIGHT

When lower cylinder block is removed after being tightened to
the specified torque with main bearings installed, the tip end of
bearing must protrude. Refer to EM-94, "
ASSEMBLY" for the
tightening procedure.

If the standard is not met, replace main bearings.
CONNECTING ROD BEARING CRUSH HEIGHT

When connecting rod bearing cap is removed after being tight-
ened to the specified torque with connecting rod bearings
installed, the tip end of bearing must protrude. Refer to EM-94,
"ASSEMBLY" for the tightening procedure.

If the standard is not met, replace connecting rod bearings.
LOWER CYLINDER BLOCK MOUNTING BOLT OUTER DIAMETER

Perform only with M10 bolts.

Measure the outer diameters (“d1 ”, “d2” ) at two positions as
shown in the figure.

If reduction appears in “A” range, regard it as “d2 ”.

If it exceeds the limit (a large difference in dimensions), replace
lower cylinder block mounting bolt with a new one.
CONNECTING ROD BOLT OUTER DIAMETER

Measure the outer diameter “d” at position as shown in the fig-
ure.

If reduction appears in a position other than “d”, regard it as “d”.

When “d ” exceeds the limit (when it becomes thinner), replace
connecting rod bolt with a new one.Standard: There must be crush height.
SEM502G
Standard : There must be crush height.
PBIC1646E
Limit (“d1 ” – “d2 ”): 0.13 mm (0.0051 in)
PBIC0911E
Limit: 7.75 mm (0.3051 in)
PBIC0912E

EM-116
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CYLINDER BLOCK

FLYWHEEL DEFLECTION (M/T MODELS)

Measure the deflection of flywheel contact surface to clutch with
a dial indicator.

Measure the deflection at 210 mm (8.27 in) dia.

If measured value is out of the standard, replace flywheel.
CAUTION:
When measuring, keep magnetic fields (such as dial indicator
stand) away from signal plate of the rear end of crankshaft.
MOVEMENT AMOUNT OF FLYWHEEL (M/T MODELS)
CAUTION:
Do not disassemble double mass flywheel.
Movement Amount of Thrust (Fore-and-Aft) Direction

Measure the movement amount of thrust (fore-and-aft) direction when 100 N (10.2 kg, 22 lb) force is
added at the portion of 125 mm (4.92 in) radius from the center of flywheel.

If measured value is out of the standard, replace flywheel.
Movement Amount in Radial (Rotation) Direction
Check the movement amount of radial (rotation) direction with the following procedure:
1. Install a bolt to clutch cover mounting hole, and place a torque wrench on the extended line of the flywheel
center line.

Tighten bolt at a force of 9.8 N·m (1.0 kg-m, 87 in-lb) to keep it from loosening.
2. Put a mating mark on circumferences of the two flywheel
masses without applying any load (Measurement standard
points).
3. Apply a force of 9.8 N·m (1.0 kg-m, 87 in-lb) in each direction,
and mark the movement amount on the mass on the transaxle
side.
4. Measure the dimensions of movement amounts “A” and “B” on
circumference of the flywheel on the transaxle side.

If measured value is out of the standard, replace flywheel.Standard : 0.45 mm (0.0177 in) or less.
PBIC2168E
Standard : 1.3 mm (0.051 in) or less
Standard: 28.3 mm (1.114 in) or less.
PBIC1263E