CYLINDER BLOCKEM-243
< SERVICE INFORMATION > [VK45DE]
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- A/C compressor: Refer to
ATC-121, "Component".
- Ignition coil: Refer to EM-187, "
Component".
- Rocker cover: Refer to EM-196, "
Component".
- Other removable brackets
NOTE:
The figure shows an example of widely use engine stand that
can hold mating surface of transmission with drive plate and rear
plate removed.
CAUTION:
Before removing the hanging chains, make sure the engine
stand is stable and there is no risk of overturning.
4. Drain engine oil. Refer to LU-24, "
Changing Engine Oil".
5. Drain engine coolant from inside engine by removing water drain plugs “B” as shown in the figure.
6. Remove the following parts and related parts (The parts listed in step 3 are not included here). Oil pan and oil strainer: Refer to EM-183, "
Component".
Crankshaft pulley, front cover and timing chain: Refer to EM-199, "
Component".
Camshaft: Refer to EM-211, "
Component".
Cylinder head: Refer to EM-226, "
On-Vehicle Service".
7. Remove knock sensor. CAUTION:
Carefully handle sensor, avoiding shocks.
8. Remove piston and connecting rod assembly as follows: Before removing piston and connecting rod assembly, check the connecting rod side clearance. Refer to
EM-256, "
Inspection After Disassembly".
a. Position crankshaft pin corresponding to connecting rod to be removed onto the bottom dead center.
b. Remove connecting rod bearing cap.
c. Using hammer handle or similar tool, push piston and connect- ing rod assembly out to the cylinder head side.
CAUTION:
Be careful not to damage the cylinder wall and crankshaft
pin, resulting from an interf erence of the connecting rod big
end.
9. Remove connecting rod bearings from connecting rod and connecting rod bearing cap.
CAUTION:
Identify installation po sitions, and store them without mixing them up.
PBIC0085E
PBIC1265E
PBIC0086E
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EM-244
< SERVICE INFORMATION >[VK45DE]
CYLINDER BLOCK
10. Remove piston rings from piston.
Before removing the piston rings, check the piston ring side clearance. Refer to EM-256, "
Inspection
After Disassembly".
Use piston ring expander (commercial service tool).
CAUTION:
When removing piston rings, be careful not to damage piston.
Be careful not to damage piston rings by expanding them
excessively.
11. Remove piston from connecting rod as follows:
a. Using snap ring pliers, remove the snap rings.
b. Heat piston to 60 to 70 °C (140 to 158 °F) with industrial use drier
or equivalent.
c. Push out piston pin with stick of outer diameter approximately 20 mm (0.8 in).
12. Remove rear oil seal retainer from cylinder block. Insert screwdriver or similar tool between rear end of crankshaft counter weight and rear oil sealretainer, and separate liquid gasket to remove.
CAUTION:
Be careful not to damage the mating surfaces.
13. Using screwdriver or similar tool, and lever off rear oil seal from rear oil seal retainer.
14. Remove main bearing cap as follows:
PBIC0087E
PBIC0088E
PBIC0089E
EMM0072D
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CYLINDER BLOCKEM-247
< SERVICE INFORMATION > [VK45DE]
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5. Install crankshaft to cylinder block.
While turning crankshaft by hand, make sure it turns smoothly.
6. Install main bearing caps. Align the identification number to the journal position to install.
Install the upper side of the identification number facing thefront of engine. (The number shall be read correctly from the
rear of engine.)
Using plastic hammer or similar tool, tap them lightly to seat them on the installation position.
NOTE:
Main bearing cap cannot be replaced as a single parts, because
it is machined together with cylinder block.
7. Install each main bearing cap bolt as follows:
a. Apply new engine oil to threads and seating surface of main bearing cap bolts, and tighten all bolts temporarily.
b. Tighten main bearing cap bolt (M12) in order of 1 to 10.
c. Tighten main bearing cap sub bolt (M9) in order of 11 to 20.
d. Tighten main bearing cap bolt (M12) to 40 degrees clockwise in order of 1 to 10. (Angle tightening)
CAUTION:
Use angle wrench (SST) to ch eck tightening angle in step
“d” and “e”. Do not make judg ment by visual inspection.
e. Tighten main bearing cap sub bolt (M9) to 30 degrees clockwise in order of 11 to 20. (Angle tightening)
f. Tighten side bolt (M10) in order of 21 to 30. After installing main bearing cap bolts, make sure that crankshaft can be rotated smoothly.
Check the crankshaft end play. Refer to EM-256, "
Inspection After Disassembly".
g. Install cover of cylinder block rear left side (next to the starter motor housing).
8. Install new rear oil seal on rear oil seal retainer. Install new rear oil seal so that each seal lip is oriented asshown in the figure.
PBIC0095E
: 39.2 N·m (4.0 kg-m, 29 ft-lb)
: 29.4 N·m (3.0 kg-m, 22 ft-lb)
PBIC0090E
PBIC0096E
: 49 N·m (5.0 kg-m, 36 ft-lb)
SEM715A
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EM-252
< SERVICE INFORMATION >[VK45DE]
CYLINDER BLOCK
Unit: mm (in)
NOTE:
Piston is available together with piston pin as assembly.
Piston pin (piston pin hole) grade is provided only for the
parts installed at the plant. For service parts, no pis-
ton pin grades can be selected. (Only “0” grade is available.)
No second grade mark is available on piston.
HOW TO SELECT CONNECTING ROD BEARING
When New Connecting Rod and Crankshaft are Used:
Check pin diameter grade (“0”, “1” or “2”) on front of crankshaft, and
select connecting rod bearing of the same grade.
NOTE:
There is no grading for connecting rod big end diameter.
When Crankshaft and Connecting Rod are Reused:
1. Measure the connecting rod big end diameter. Refer to EM-256, "Inspection After Disassembly".
2. Make sure that the connecting rod big end diameter is within the standard value.
3. Measure the crankshaft pin journal diameter. Refer to EM-256, "
Inspection After Disassembly".
4. Determine the grade of crankshaft pin diameter grade by corresponding to the measured dimension in
“Crankshaft pin journal diameter” column of “Connecting Rod Bearing Selection Table”.
5. Select connecting rod bearing of the same grade.
Connecting Rod Bearing Selection Table
Unit: mm (in)
Unit: mm (in)
Under Size Bearings Usage Guide
When the specified connecting rod bearing oil clearance is not obtained with standard size connecting rod bearings, use undersize (US) bearings.
When using undersize (US) bearing, measure the connecting rod bearing inner diameter with bearing
installed, and grind crankshaft pin so that the c onnecting rod bearing oil clearance satisfies the standard.
CAUTION:
Grade 1 2 (or no mark) 3
Cylinder bore inner diameter 93.000 - 93.010
(3.6614 - 3.6618) 93.010 - 93.020
(3.6618 - 3.6622) 93.020 - 93.030
(3.6622 - 3.6626)
Piston skirt diameter 92.980 - 92.990
(3.6606 - 3.6610) 92.990 - 93.000
(3.6610 - 3.6614) 93.000 - 93.010
(3.6614 - 3.6618)
PBIC2374E
Connecting rod big end diameter 55.000 - 55.013 (2.1654 - 2.1659)
Crankshaft Connecting rod bearing
Crankshaft pin journal diameter Grade (Mark) Dimension (Bearing thickness range) Bearing grade No. Color
51.968 - 51.974 (2.0460 - 2.0462) 0 1.500 - 1.503 (0.0591 - 0.0592) STD 0 No color
51.962 - 51.968 (2.0457 - 2.0460) 1 1.503 - 1.506 (0.0592 - 0.0593) STD 1 Brown
51.956 - 51.962 (2.0455 - 2.0457) 2 1.506 - 1.509 (0.0593 - 0.0594) STD 2 Green
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EM-258
< SERVICE INFORMATION >[VK45DE]
CYLINDER BLOCK
Measure the side clearance of piston ring and piston ring groove
with feeler gauge.
If the measured value exceeds the limit, replace piston ring, and measure again. If it still exceeds the limit,
replace piston also.
PISTON RING END GAP
Make sure that the cylinder bore i nner diameter is within the speci-
fication. Refer to "Cylinder Bore Inner Diameter".
Lubricate with new engine oil to piston and piston ring, and then insert piston ring until middle of cylinder with piston, and measure
the piston ring end gap with feeler gauge.
If the measured value exceeds the limit, replace piston ring, and measure again. If it still exceeds the limit,
re-bore cylinder and use oversize piston and piston rings.
CONNECTING ROD BEND AND TORSION
Check with connecting rod aligner.
If it exceeds the limit, replace connecting rod assembly. Standard:
Top ring : 0.045 - 0.080 mm (0.0018 - 0.0031 in)
2nd ring : 0.030 - 0.070 mm (0.0012 - 0.0028 in)
Oil ring : 0.065 - 0.135 mm (0.0026 - 0.0053 in)
Limit:
Top ring : 0.11 mm (0.0043 in)
2nd ring : 0.1 mm (0.004 in)
SEM024AA
Standard:
Top ring : 0.22 - 0.32 mm (0.0087 - 0.0126 in)
2nd ring : 0.22 - 0.32 mm (0.0087 - 0.0126 in)
Oil ring : 0.20 - 0.50 mm (0.0079 - 0.0197 in)
Limit:
Top ring : 0.56 mm (0.0220 in)
2nd ring : 0.56 mm (0.0220 in)
Oil ring : 0.96 mm (0.0378 in)
PBIC0118E
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
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FAX-12
< SERVICE INFORMATION >[AWD]
FRONT WHEEL HUB AND KNUCKLE
5. Remove cotter pin, then remove lock nut from drive shaft.
6. Remove steering outer socket and cotter pin
at steering knuckle, then loosen mounting nut.
7. Use a ball joint remover (SST) to remove steering outer socket from steering knuckle. Be careful not to damage ball joint boot.
CAUTION:
To prevent damage to threads and to prevent ball joint
remover (SST) from coming off suddenly, temporarily
tighten mounting nut.
8. Using a puller (suitable tool), remove wheel hub and bearing assembly from drive shaft. NOTE:
When removing wheel hub and bearing assembly, do not apply an excessive angle to drive shaft joint.
Also be careful not to excessively extend slide joint.
Do not hang over drive shaft with out support.
9. Remove wheel hub and bearing assembly fixing bolt.
10. Remove splash guard and wheel hub and bearing assembly from steering knuckle.
11. Remove strut assembly and steering knuckle fixing bolts and nuts.
12. Remove transverse link and steering knuckle fixing bolt and nut.
13. Remove steering knuckle from vehicle.
INSPECTION AFTER REMOVAL
Check for deformity, cracks and damage on each parts, replace if necessary.
Ball Joint Inspection
Check for boot breakage, axial looseness, and torque of transverse link and steering outer socket ball joint.
Refer to FSU-13
, PS-17.
INSTALLATION
CAUTION:
Be sure to replace the new differential side oil seal every removal of drive shaft. Refer to FFD-12
.
Refer to "Removal and Installation"for tightening torque. Install in the reverse order of removal. NOTE:
Refer to component parts location and do not reuse non-reusable parts.
To assemble disc rotor and wheel hub and bearing assembly, align the marks.
(When not using the alignment mark, refer to BR-19, "
Removal
and Installation of Brake Caliper Assembly".)
SGIA0488E
SDIA1480E
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FAX-18
< SERVICE INFORMATION >[AWD]
FRONT DRIVE SHAFT
Place the protector [SST: KV38107900 ( – )] onto front final
drive assembly to prevent damage to the oil seal while inserting
drive shaft. Slide drive shaft sliding joint and tap with a hammer to
install securely. (right side)
CAUTION:
Be sure to check that circular clip is securely fastened.
Disassembly and Assembly (Left Side)INFOID:0000000001327518
COMPONENTS
DISASSEMBLY
Front Final Drive Assembly Side
1. Press drive shaft in a vice.
CAUTION:
When retaining shaft in a vice, always use copp er or aluminum plates between vise and shaft.
2. Remove boot bands.
3. If plug needs to be removed, move boot to wheel side, and drive it out with a plastic hammer.
SDIA0593E
1. Plug 2. Housing 3. Snap ring
4. Spider assembly 5. Boot band 6. Boot
7. Shaft 8. Circular clip 9. Joint sub-assembly
Refer to GI-8, "
Component" and the following for the symbols in the figure.
: Fill Nissan genuine grease or equivalent.
PDIA1220E
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FFD-1
DRIVELINE/AXLE
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SECTION FFD
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FFD
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CONTENTS
FRONT FINAL DRIVE
SERVICE INFORMATION .. ..........................2
PRECAUTIONS .............................................. .....2
Service Notice or Precaution ............................... ......2
PREPARATION ...................................................3
Special Service Tool ........................................... ......3
Commercial Service Tool ..........................................5
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING .............................
6
NVH Troubleshooting Chart ................................ ......6
DESCRIPTION ....................................................7
Cross-Sectional View .......................................... ......7
DIFFERENTIAL GEAR OIL .................................8
Changing Differential Gear Oil ............................ ......8
Checking Differential Gear Oil ............................. .....8
FRONT OIL SEAL ..............................................9
Removal and Installation ..........................................9
SIDE OIL SEAL .................................................12
Removal and Installation .........................................12
FRONT FINAL DRIVE ASSEMBLY ..................14
Removal and Installation (VQ35DE Models) ...........14
Removal and Installation (VK45DE Models) ...........15
Disassembly and Assembly .....................................17
SERVICE DATA AND SPECIFICATIONS
(SDS) .................................................................
39
General Specification ..............................................39
Inspection and Adjustment ......................................39
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