Nissan Juke F15. Instruction — part 644
EM-130
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[MR FOR NISMO RS MODELS]
CYLINDER BLOCK
CAUTION:
Never rotate crankshaft.
• Remove main bearing cap and bearings, and using the scale (A)
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 CRUSH HEIGHT
• When main bearing cap is removed after being tightened to the
specified torque with main bearings (1) installed, the tip end of
bearing must protrude (B). Refer to
• If the standard is not met, replace main bearings.
CONNECTING ROD BEARING CRUSH HEIGHT
• When connecting rod cap is removed after being tightened to the
specified torque with connecting rod bearings (1) installed, the tip
end of bearing must protrude (B). Refer to
.
• If the standard is not met, replace connecting rod bearings.
MAIN BEARING CAP BOLT OUTER DIAMETER
• Measure the outer diameters (d
1
) and (d
2
) at two positions as
shown in the figure.
• If reduction appears in places other than (B) range, regard it as
(d
2
).
• If it exceeds the limit (a large difference in dimensions), replace
main bearing cap mounting bolt with a new one.
CONNECTING ROD CAP BOLT OUTER DIAMETER
PBIC3278J
A
: Example
Standard
: There must be crush height.
PBIC3279J
A
: Example
Standard
: There must be crush height.
PBIC3279J
A
: (d1) measuring position
B
: (d2) measuring position
Limit [(d
1
) – (d
2
)]: 0.15 mm (0.0059 in)
PBIC4015E
CYLINDER BLOCK
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• Measure the outer diameter (d) at position as shown in the figure.
• 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 cap bolt with a new one.
FLYWHEEL DEFLECTION (M/T MODELS)
• Measure the deflection of flywheel contact surface to torque with a
dial indicator (A).
• Measure the deflection at 210 mm (8.27 in) diameter.
• If measured value is out of the standard, replace flywheel.
• If a trace of burn or discoloration is found on the surface, repair it
with sandpaper.
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:
Never 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 clutch cover mounting bolt (1) to clutch cover mounting
hole, and place a torque wrench (A) on the extended line of the
flywheel (2) 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.
DRIVE PLATE DEFLECTION (CVT MODELS)
Limit: 7.75 mm (0.3051 in)
PBIC4016E
Limit : 0.45 mm (0.0177 in) or less.
PBIC4006E
Standard
: 1.8 mm (0.071 in) or less
Limit : 33.2 mm (1.307 in) or less.
PBIC4007E
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[MR FOR NISMO RS MODELS]
CYLINDER BLOCK
• Measure the deflection of drive plate contact surface to torque con-
verter with a dial indicator (A).
• Measure the deflection at the area limited between 12.4 mm
(0.488 in) dia and 20.0 mm (0.787 in) dia around hole (B).
• If measured value is out of the standard, replace drive plate.
Limit : 0.35 mm (0.0138 in) or less.
PBIC4008E
HOW TO SELECT PISTON AND BEARING
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HOW TO SELECT PISTON AND BEARING
Description
INFOID:0000000012197312
• The identification grade stamped on each part is the grade for the dimension measured in new condition.
This grade cannot apply to reused parts.
• For reused or repaired parts, measure the dimension accurately. Determine the grade by comparing the
measurement with the values of each selection table.
• For details of the measurement method of each part, the reuse standards and the selection method of the
selective fitting parts, refer to the text.
Piston
INFOID:0000000012197313
WHEN NEW CYLINDER BLOCK IS USED
• Check the cylinder bore grade on rear left side of cylinder block (L),
and select piston of the same grade.
• If there is a correction stamp mark on the cylinder block, use it as a
correct reference.
WHEN CYLINDER BLOCK IS REUSED
1. Measure the cylinder bore inner diameter. Refer to
.
2. Determine the bore grade by comparing the measurement with the values under the cylinder bore inner
diameter of the “Piston Selection Table”.
Selection points
Selection parts
Selection items
Selection methods
Between cylinder block and
crankshaft
Main bearing
Main bearing grade (bearing
thickness)
Determined by match of cylin-
der block bearing housing
grade (inner diameter of hous-
ing) and crankshaft journal
grade (outer diameter of jour-
nal)
Between crankshaft and con-
necting rod
Connecting rod bearing
Connecting rod bearing grade
(bearing thickness)
Combining service grades for
connecting rod big end diame-
ter and crankshaft pin outer di-
ameter determine connecting
rod bearing selection.
Between cylinder block and pis-
ton
Piston and piston pin assembly
(piston is available together with
piston pin as an assembly.)
Piston grade (piston outer diam-
eter)
Piston grade = cylinder bore
grade (inner diameter of bore)
A
: Correction stamp
B
: Standard stamp
C
: Cylinder No. 1 bore grade
D
: Cylinder No. 2 bore grade
E
: Cylinder No. 3 bore grade
F
: Cylinder No. 4 bore grade
G
: No. 1 main bearing housing grade
H
: No. 2 main bearing housing grade
I
: No. 3 main bearing housing grade
J
: No. 4 main bearing housing grade
K
: No. 5 main bearing housing grade
: Engine front
PBIC3264J
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