2001 NISSAN ALMERA N16 check oil

JEM193G
d. Hoist up engine and install it on the engine stand (SST).
+Another method is to set engine sub-attachment and engine
attachment on engine stand beforehand, and then, install
engine.
3. Drain engine oil and coolant from engine.
4. Remove the following and the associated parts:
+Exhaust manifold
+Turbocharger assembly (For Europe)
+Injection tube
+Intake manifold
+Oil pan (upper and lower)
+Secondary timing chain
+Fuel injection pump
+Primary timing chain
+Rocker cover
+High pressure injection nozzle assembly
+Camshaft
+Cylinder head
+Thermostat, water pipes
+Oil cooler
+Auxiliary component brackets
5. Remove fuel injection pump bracket.
SEM500G
6. If the replacement of pilot bushing is necessary, remove it with
pilot bushing puller (SST).
7. Remove rear oil seal retainer.
+Insert a flat-bladed screwdriver between main bearing cap and
rear oil seal retainer to remove retainer.
8. Remove rear oil seal from rear oil seal retainer.
+Punch out with a flat-bladed screwdriver.
+Be careful not to damage rear oil seal retainer.
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9. Remove piston and connecting rod assembly.
a. Set crankshaft pin of the removal location at a position close
to BDC.
b. Remove connecting rod cap.
c. Push piston and connecting rod assembly toward cylinder
head using a hammer handle.
+Before removing piston and connecting rod assembly, check
connecting rod side clearance. Refer to EM-143, ªCONNECT-
ING ROD SIDE CLEARANCEº.
10. Remove connecting rod bearings from connecting rod and
connecting rod cap.
CYLINDER BLOCKYD
Disassembly (Cont'd)
EM-141

JEM200G
13. Remove main bearing cap bolts.
+With a TORX socket (size: E-14, Commercial Service Tool),
loosen main bearing cap bolts in several stages in the reverse
order of that shown in the figure and remove them.
+Before loosening main bearing cap bolts, measure crankshaft
end play. Refer to EM-143, ªCRANKSHAFT END PLAYº.
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14. Remove main bearing caps.
+Using main bearing cap bolts, remove by rocking bearing cap
back and forth.
15. Remove crankshaft.
16. Remove main bearings and thrust bearings from cylinder block
and main bearing caps.
+Check the correct installation locations of removed parts.
Store them so they do not get mixed up.
17. Remove oil jet.
18. Remove oil jet check valve.
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InspectionNJEM0073CRANKSHAFT END PLAYNJEM0073S13+Measure the moving distance of the crankshaft with the dial
gauge when the crankshaft is moved fully forward or back-
ward.
Standard: 0.10 - 0.25 mm (0.0039 - 0.0098 in)
Limit: 0.30 mm (0.0118 in)
+If the value exceeds the limit, replace thrust bearings with new
ones and measure again. If the measurement exceeds the limit
again, replace crankshaft with a new one.
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CONNECTING ROD SIDE CLEARANCENJEM0073S14+Measure the side clearance between connecting rod and crank
arm with feeler gauge.
Standard: 0.200 - 0.350 mm (0.0079 - 0.0138 in)
Limit: 0.4 mm (0.0157 in)
+If the value exceeds the limit, replace connecting rod and mea-
sure again. If the measurement exceeds the limit again,
replace the crankshaft.
CYLINDER BLOCKYD
Disassembly (Cont'd)
EM-143

SEM599A
PISTON RING END GAPNJEM0073S03End gap:
Top ring 0.20 - 0.35 mm (0.0079 - 0.0138 in)
2nd ring 0.39 - 0.54 mm (0.0154 - 0.0213 in)
Oil ring 0.25 - 0.37 mm (0.0098 - 0.0146 in)
Max. limit of ring gap:
Top ring 1.0 mm (0.039 in)
2nd ring 1.0 mm (0.039 in)
Oil ring 0.87 mm (0.0343 in)
If out of specification, replace piston ring. If gap still exceeds the
limit even with a new ring, do the following. Rebore cylinder and
use oversized piston and piston rings.
Refer to SDS (EM-167).
+When replacing the piston, check the cylinder block surface for
scratches or seizure. If scratches or seizure is found, hone or
replace the cylinder block.
SEM038F
SEM003F
CONNECTING ROD BEND AND TORSIONNJEM0073S04Bend:
Limit 0.12 mm (0.0047 in)
per 100 mm (3.94 in) length
Torsion:
Limit 0.12 mm (0.0047 in)
per 100 mm (3.94 in) length
If it exceeds the limit, replace connecting rod assembly.
SEM501G
CYLINDER BLOCK DISTORTION AND WEARNJEM0073S05+Clean upper surface of cylinder block.
Use a reliable straightedge and feeler gauge to check the flat-
ness of cylinder block surface.
Check along six positions shown in the figure.
Distortion limit: 0.04 mm (0.0016 in)
+If out of specification, resurface it. The limit for cylinder block
resurfacing is determined by cylinder head resurfacing in
engine.
Resurfacing limit:
Amount of cylinder head resurfacing is ªAº.
Amount of cylinder block resurfacing is ªBº.
CYLINDER BLOCKYD
Inspection (Cont'd)
EM-145

SEM316A
CRANKSHAFTNJEM0073S071. Check crankshaft main and pin journals for score, wear or
cracks.
2. With a micrometer, measure journals for taper and out-of-
round.
Out-of-round (X þ Y):
Standard
0.003 mm (0.0001 in)
Limit
0.005 mm (0.0002 in)
Taper (A þ B):
Standard
0.003 mm (0.0001 in)
Limit
0.005 mm (0.0002 in)
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3. Measure crankshaft runout at No. 3 (center) journal.
Runout (Total indicator reading):
Standard 0.05 mm (0.0020 in)
Limit 0.10 mm (0.0039 in)
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MAIN BEARING HOUSING INNER DIAMETERNJEM0073S15+Without installing main bearings, install main bearing caps,
and tighten bolts to the specified torque.
+Measure the inner diameter of main bearing housing with a
bore gauge.
Standard:
66.654 - 66.681 mm (2.6242 - 2.6252 in) dia.
+If the measurement is out of the specified range, replace cyl-
inder block and main bearing caps.
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BEARING CLEARANCENJEM0073S08+Use either of the following two methods, however, method ªAº
gives more reliable results and is preferable.
Method A (Using bore gauge & micrometer)
Main bearingNJEM0073S08011. Install main bearings to the cylinder block and bearing cap, and
tighten the bolts to the specified torque. Then, measure the
inner diameter of the main bearings.
Oil clearance = Bearing ID ± Crankshaft journal OD
Standard: 0.039 - 0.066 mm (0.0015 - 0.0026 in)
CYLINDER BLOCKYD
Inspection (Cont'd)
EM-148

Limit: 0.057 mm (0.0022 in)
If it exceeds the limit, replace connecting rod assembly and/or
piston set with pin.
JEM220G
CONNECTING ROD BOLT DEFORMATIONNJEM0073S18+Install nuts to connecting rod bolts. Check that the nut can be
screwed smoothly on bolt threads by hand to the last thread
on the bolt.
+If the nut does not screw in smoothly, measure the outer diam-
eter of the bolt thread at the point specified in the figure.
+If a necked point is identified, measure at that point.
Standard: 8.90 - 9.00 mm (0.3504 - 0.3543 in) dia.
Limit: 8.75 mm (0. 3445 in) dia.
+If the measurement exceeds the limit, replace connecting rod
bolts and nuts.
AEM100
FLYWHEEL RUNOUTNJEM0073S11Runout (Total indicator reading):
FlywheelH
Less than 0.15 mm (0.0059 in)
CAUTION:
+The signal plate is built into the flywheel assembly. Be
careful not to damage the signal plate, especially the
teeth.
+Check the signal plate for deformation or cracks.
+Never place the flywheel assembly with the signal plate
facing down.
+Keep any magnetized objects away from the signal plate.
+Do not allow any magnetic materials to contact the signal
plate teeth.
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OIL JETNJEM0073S19+Check nozzle for deformation or damage.
+Check oil passage for obstruction by blowing in air on nozzle
side.
+If abnormality is found, clean or replace.
CYLINDER BLOCKYD
Inspection (Cont'd)
EM-153

JEM222G
OIL JET RELIEF VALVENJEM0073S20Using a clean resin rod, press down on the check valve inside relief
valve. Check for appropriate bounce/repulsion and smooth
operation.
AssemblyNJEM0074PISTONNJEM0074S011. With using snap ring pliers, install snap rings to grooves at the
rear side of the piston.
+Install securely to fully fit into the groove.
2. Install piston to the connecting rod.
+Heat the piston with an industrial drier to 60 to 70ÉC (140 to
158ÉF) so that the piston pin can be easily inserted by finger.
Then, insert the piston pin from the front of the piston into the
piston and into the connecting rod.
JEM227G
+Assemble so that the front mark on the piston top surface and
cylinder No. stamped on connecting rod are positioned as
shown in the figure.
3. Install snap ring on piston front.
+Refer to step 1. above for notes for installation.
+After installing, check that the connecting rod moves smoothly.
4. Install piston rings using piston ring expander (Commercial
Service Tool).
+Be extremely careful to avoid any damage to the piston.
JEM228G
+Install top ring and second ring with the punched surface fac-
ing upward.
Identification mark:
Top ring AE
Second ring AE2
+Install rings so that three closed gap position 120É apart one
another.
+Closed gaps do not need to face in a specific directions, as
long as each are positioned 120É apart.
JEM223G
CRANKSHAFTNJEM0074S021. Blow air sufficiently into the coolant passage, oil passage in the
cylinder block, inside of crankshaft case, and inside of cylinder
bores to remove any foreign materials.
2. Install oil jet relief valves.
3. Install oil jets.
CYLINDER BLOCKYD
Inspection (Cont'd)
EM-154

JEM224G
4. Install main bearings and thrust bearings.
a. Remove debris, dust, and oil from the locations on the cylin-
der block and main bearing caps where bearings are installed.
b. Install thrust bearing on each side of cylinder block No. 3
housing.
+Install thrust bearings with oil groove facing in the direction of
the crankshaft arm (outside).
JEM213G
c. Be sure to install main bearings in the correct direction.
+Make sure those with oil holes or oil grooves are mounted on
the cylinder block side, and those without oil holes or oil
grooves are on the main cap side.
+Before installing, apply engine oil on the front (inner) surfaces
of bearings. Do not apply oil to the back surfaces, but thor-
oughly clean them.
+Align stopper notches on bearings and install.
+Check the oil holes on cylinder block and those on bearings
are aligned.
JEM225G
5. Install crankshaft to cylinder block.
+Make sure crankshaft rotates smoothly by hand.
6. Install main bearing caps.
+Identify main bearing caps by the punched mark. Install
correctly, matching the journal No. on the bearing cap and the
journal, with the front mark facing forward.
+Main bearing caps are commonly processed with the cylinder
block. Therefore, caps and cylinder block should be replaced
as a set.
JEM200G
JEM226G
7. Check the main bearing cap bolts for deformation.
Refer to EM-152, ªMAIN BEARING CAP BOLT DEFORMA-
TIONº.
8. Tighten the main bearing cap bolts according to the following
procedure:
a. Apply engine oil to the threaded part and seat surface of each
bolt.
b. Tighten to 25 to 30 N´m (2.5 to 3.1 kg-m, 18 to 22 ft-lb) in the
numerical order shown in the figure.
c. Put alignment marks (with paint) on each bolt and the main
bearing cap, all in the same direction. (when using a protrac-
tor)
d. Then, tighten 90É to 95É [target: 90É].
+Always use either an angle wrench (SST) or protractor
during angular tightening. Avoid tightening based on
visual checks alone.
+After tightening bolts to specified torque, make sure that crank-
shaft rotates smoothly.
+Check crankshaft end play. Refer to EM-143, ªCRANKSHAFT
END PLAYº.
9. Check the outer diameter of connecting rod bolts. Refer to
EM-153, ªCONNECTING ROD BOLT DEFORMATIONº.
10. Install piston to connecting rod.
CYLINDER BLOCKYD
Assembly (Cont'd)
EM-155

JEM229G
11. Install connecting rod bearing to connecting rod and connect-
ing rod cap.
+Before installing, apply engine oil on the front (inner) surface
of bearing. Do not apply oil to the back surface, but thoroughly
clean it.
+Align stopper notches on connecting rod and protrusions on
bearing and install.
JEM230G
12. Install piston and connecting rod assembly to crankshaft.
+Set crankshaft pin of the installation location at BDC.
+Match the cylinder No. of connecting rod to the location of cyl-
inder.
+Using piston ring compressor (Commercial Service Tool),
install so that the front mark on the piston top surface faces in
the direction of engine front.
JEM227G
13. Install connecting rod caps.
+Match the cylinder No. punched on connecting rod and that on
cap.
+Make sure that the front mark on connecting rod cap faces
towards the front of the engine.
JEM231G
JEM232G
14. Tighten connecting rod nuts according to the following proce-
dure:
a. Apply engine oil on bolt threads and seat surface of nuts.
b. Tighten to 29 to 30 N´m (2.9 to 3.1 kg-m, 21 to 22 ft-lb).
c. Loosen completely to 0 N´m (0 kg-m, 0 in-lb).
d. Tighten to 19 to 20 N´m (1.9 to 2.1 kg-m, 14 to 15 ft-lb).
e. Tighten 120É to 125É [target: 120É]. (angular tightening)
+Always use either an angle wrench (SST) or protractor
during angular tightening. Avoid tightening based on
visual checks alone.
+After tightening nuts, check that crankshaft rotates smoothly.
+Check connecting rod side clearance. Refer to EM-143, ªCON-
NECTING ROD SIDE CLEARANCEº.
15. Force fit rear oil seal into rear oil seal retainer.
+Using a drift [105 mm (4.13 in) dia.], force fit so that the dimen-
sion is as specified in the figure.
+Avoid inclined fitting. Force fit perpendicularly.
CYLINDER BLOCKYD
Assembly (Cont'd)
EM-156