NISSAN TEANA 2003 Service Manual

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

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

Install lower cylinder block without main bearings installed, and
tighten lower cylinder mounting bolts to the specified torque.
Refer to EM-86, "
ASSEMBLY" for the tightening procedure.

Measure the inner diameter of main bearing housing with 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 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 an oversize piston, use oversize pistons 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

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CYLINDER BLOCK

Piston Skirt Diameter
Measure the outer diameter of piston skirt with 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-92, "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-86, "
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
micrometer.

If out of the standard, measure the main bearing oil clearance.
Then use undersize bearing. Refer to EM-106, "
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 : 0.01 - 0.03 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 skirt 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
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CRANKSHAFT PIN JOURNAL DIAMETER

Measure the outer diameter of crankshaft pin journal with micrometer.

If out of the standard, measure the connecting rod bearing oil clearance. Then use undersize bearing.
Refer to EM-105, "
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 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 valve 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-106, "
MAIN BEARING OIL CLEAR-
ANCE" and/or EM-105, "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-86, "
ASSEMBLY" for the tightening procedure.

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

If the 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-92, "
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 : 0.03 mm (0.0012 in)
PBIC2541E
Standard : 0.028 - 0.045 mm (0.0011 - 0.0018 in)
Limit : 0.1 mm (0.004 in)
PBIC1642E

EM-106
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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-86, "
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-86, "
ASSEMBLY" for the tightening procedure.

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

If the clearance exceeds the limit, select proper main bearing
according to main bearing housing inner diameter and crankshaft main journal diameter to obtain speci-
fied bearing oil clearance. Refer to EM-95, "
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-86, "
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
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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-86, "
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-86,
"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” falls below 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-108
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SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
Standard and LimitBBS0059J
GENERAL SPECIFICATIONS
DRIVE BELT
EXHAUST MANIFOLD
Unit: mm (in)
SPARK PLUG
Unit: mm (in)
CYLINDER HEAD
Unit: mm (in) Cylinder arrangementIn-line 4
Displacement
cm
3 (cu in)1,998 (121.92)
Bore and stroke mm (in) 89.0 × 80.3 (3.504 × 3.161)
Valve arrangementDOHC
Firing order1-3-4-2
Number of piston ringsCompression 2
Oil 1
Compression ratio9.9
Compression pressure
kPa (bar, kg/cm
2 , psi) / 250 rpmStandard 1,190 (11.9, 12.1, 173)
Minimum 990 (9.9, 10.1, 144)
Differential limit between cylinders 100 (1.0, 1.0, 14)
Tension of drive belt Auto adjustment by auto-tensioner
Items Limit
Exhaust manifold and three way catalyst assembly surface distortion 0.3 (0.012)
MakeNGK
Standard typePLFR5A-11
Hot typePLFR4A-11
Cold typePLFR6A-11
Gap (Nominal)1.1 (0.043)
ItemsLimit
Head surface distortion 0.1 (0.004)
PBIC0283E

SERVICE DATA AND SPECIFICATIONS (SDS)
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VA LV E
Valve Timing
( ): Valve timing control “ON”
Valve Dimensions
Unit: mm (in)
Valve Clearance
Unit: mm (in)
*: Approximately 80°C (176°F) Va l v e t i m i n g
Unit: degree
abcde f
212 236−4 (31) 60 (25) 3 29
PBIC0187E
Valve head diameter “D”Intake 35.5 - 35.8 (1.398 - 1.409)
Exhaust 30.5 - 30.8 (1.201 - 1.213)
Valve length “L”Intake 97.16 (3.8252)
Exhaust 98.82 (3.8905)
Valve stem diameter “d”Intake 5.965 - 5.980 (0.2348 - 0.2354)
Exhaust 5.955 - 5.970 (0.2344 - 0.2350)
Valve seat angle “α”Intake
45°15′ - 45°45′
Exhaust
Valve margin “T”Intake 1.1 (0.043)
Exhaust 1.3 (0.051)
SEM188A
Items Cold Hot* (reference data)
Intake 0.24 - 0.32 (0.009 - 0.013) 0.304 - 0.416 (0.012 - 0.016)
Exhaust 0.26 - 0.34 (0.010 - 0.013) 0.308 - 0.432 (0.012 - 0.017)

EM-110
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SERVICE DATA AND SPECIFICATIONS (SDS)

Available Valve Lifter
Valve Spring
Thickness mm (in) Identification mark
6.96 (0.2740) 696
6.98 (0.2748) 698
7.00 (0.2756) 700
7.02 (0.2764) 702
7.04 (0.2772) 704
7.06 (0.2780) 706
7.08 (0.2787) 708
7.10 (0.2795) 710
7.12 (0.2803) 712
7.14 (0.2811) 714
7.16 (0.2819) 716
7.18 (0.2827) 718
7.20 (0.2835) 720
7.22 (0.2843) 722
7.24 (0.2850) 724
7.26 (0.2858) 726
7.28 (0.2866) 728
7.30 (0.2874) 730
7.32 (0.2882) 732
7.34 (0.2890) 734
7.36 (0.2898) 736
7.38 (0.2906) 738
7.40 (0.2913) 740
7.42 (0.2921) 742
744 (0.2929) 744
7.46 (0.2937) 746
KBIA0119E
Items Intake Exhaust
Free height 44.84 - 45.34 mm (1.7654 - 1.7850 in) 45.28 - 45.78 mm (1.7827 - 1.8024 in)
Installation height 35.30 mm (1.390 in) 35.30 mm (1.390 in)
Installation load 151 - 175 N (15.4 - 17.8 kg, 34 - 39 lb) 151 - 175 N (15.4 - 17.8 kg, 34 - 39 lb)
Height during valve open 24.94 mm (0.9819 in) 26.39 mm (1.0390 in)
Load with valve open 358 - 408 N (36.5 - 41.6 kg, 80 - 92 lb) 325 - 371 N (33.1 - 37.8 kg, 73 - 83 lb)
Identification color Blue Yellow

SERVICE DATA AND SPECIFICATIONS (SDS)
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Valve Lifter
Unit: mm (in)
Valve Guide
Unit: mm (in) Items Standard
Valve lifter outer diameter 33.965 - 33.980 (1.3372 - 1.3378)
Valve lifter hole diameter 34.000 - 34.021 (1.3386 - 1.3394)
Valve lifter clearance 0.020 - 0.056 (0.0008 - 0.0022)
Items Standard part Service part
Valve guideOuter diameter 10.023 - 10.034 (0.3946 - 0.3950) 10.223 - 10.234 (0.4025 - 0.4029)
Inner diameter (Finished size) 6.000 - 6.018 (0.2362 - 0.2369)
Cylinder head valve guide hole diameter 9.975 - 9.996 (0.3927 - 0.3935) 10.175 - 10.196 (0.4006 - 0.4014)
Interference fit of valve guide 0.027 - 0.059 (0.0011 - 0.0023)
Items Standard Limit
Valve guide clearanceIntake 0.020 - 0.053 (0.0008 - 0.0021) 0.08 (0.003)
Exhaust 0.030 - 0.063 (0.0012 - 0.0025) 0.09 (0.004)
Projection length “L”Intake 10.1 - 10.3 (0.398 - 0.406)
Exhaust 10.0 - 10.4 (0.394 - 0.409)
PBIC0184E

EM-112
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SERVICE DATA AND SPECIFICATIONS (SDS)

Valve Seat
Unit: mm (in)
Items Standard Oversize (Service) [0.5 (0.020)]
Cylinder head seat recess diameter “D”Intake 36.500 - 36.516 (1.4370 - 1.4376) 37.000 - 37.016 (1.4567 - 1.4573)
Exhaust 31.500 - 31.516 (1.2402 - 1.2408) 32.000 - 32.016(1.2598 - 1.2605)
Valve seat outer diameter “d”Intake 36.597 - 36.613 (1.4408 - 1.4415) 37.097 - 37.113 (1.4605 - 1.4611)
Exhaust 31.600 - 31.616 (1.2441 - 1.2447) 32.100 - 32.116 (1.2638 - 1.2644)
Valve seat interference fitIntake 0.081 - 0.113 (0.0032 - 0.0044)
Exhaust 0.084 - 0.116 (0.0033 - 0.0046)
Items Standard Service
Height “h”Intake 5.9 - 6.0 (0.232 - 0.236) 5.0 - 5.1 (0.197 - 0.201)
Exhaust 5.9 - 6.0 (0.232 - 0.236) 4.91 - 5.01 (0.1933 - 0.1972)
Depth “H”6.0 (0.236)
PBIC2397E