Nissan Primera P11. Instruction — part 434
AVAILABLE CONNECTING ROD BEARING
Connecting rod bearing
Standard size
Unit: mm (in)
Grade
number
Thickness “T”
Width “W”
Identification
color (mark)
0
1.500 - 1.503
(0.0591 - 0.0592)
16.9 - 17.1
(0.665 - 0.673)
Black or Yellow
1
1.503 - 1.506
(0.0592 - 0.0593)
Brown or Red
2
1.506 - 1.509
(0.0593 - 0.0594)
Green or Blue
Undersize
Unit: mm (in)
Undersize
Thickness “T”
Crank pin journal
diameter “Dp”
0.08 (0.0031)
1.541 - 1.549
(0.0607 - 0.0610)
Grind so that bearing
clearance is the
specified value.
0.12 (0.0047)
1.561 - 1.569
(0.0615 - 0.0618)
0.25 (0.0098)
1.626 - 1.634
(0.0640 - 0.0643)
Bearing clearance
Unit: mm (in)
Main bearing clearance
Standard
0.004 - 0.022 (0.0002 - 0.0009)
Limit
0.05 (0.0020)
Connecting rod bearing clearance
Standard
0.020 - 0.045 (0.0008 - 0.0018)
Limit
0.065 (0.00256)
MISCELLANEOUS COMPONENTS
Unit: mm (in)
Camshaft sprocket runout limit [TIR]
0.25 (0.0098)
Flywheel runout limit [TIR]
0.15 (0.0059)
Drive plate runout limit [TIR]
0.2 (0.008)
SERVICE DATA AND SPECIFICATIONS (SDS)
SR20DE
Inspection and Adjustment (Cont’d)
EM-195
General Specifications
Cylinder arrangement
In-line 4
Displacement
cm
3
(cu in)
1,974 (120.45)
Bore and stroke
mm (in)
84.5
×
88.0 (3.329
×
3.465)
Valve arrangement
OHC
Firing order
1-3-4-2
Number of piston rings
Compression
2
Oil
1
Number of main bearing
5
Compression ratio
22.2
Valve timing
EM120
Unit: degree
a
b
c
d
e
f
248°
232°
14°
38°
12°
56°
Inspection and Adjustment
COMPRESSION PRESSURE
Unit: kPa (bar, kg/cm
2
, psi) at 200 rpm
Standard
3,138 (31.4, 32, 455)
Limit
2,452 (24.5, 25, 356)
Difference limit
between cylinders
490 (4.9, 5, 71)
CYLINDER HEAD
Unit: mm (in)
Head surface flatness
Standard
Less than 0.03 (0.0012)
Limit
0.1 (0.004)
Nominal cylinder head
height
137.9 - 138.1
(5.429 - 5.437)
CAMSHAFT AND CAMSHAFT BEARING
Unit: mm (in)
Standard
Max. tolerance
Camshaft journal
clearance
0.045 - 0.086
(0.0018 - 0.0034)
0.1 (0.004)
Inner diameter of
camshaft bearing
30.000 - 30.021
(1.1811 - 1.1819)
—
Outer diameter of
camshaft journal
29.935 - 29.955
(1.1785 - 1.1793)
—
Camshaft runout
Less than
0.02 (0.0008)
0.05 (0.0020)
Camshaft end play
0.115 - 0.188
(0.0045 - 0.0074)
—
EM671
Cam height “A”
Intake
48.70 - 48.75 (1.9173 - 1.9193)
Exhaust
49.15 - 49.20 (1.9350 - 1.9370)
SERVICE DATA AND SPECIFICATIONS (SDS)
CD20T
General Specifications
EM-196
VALVE
Unit: mm (in)
SEM188
Valve head diameter “D”
Intake
39.0 - 39.3 (1.535 - 1.547)
Exhaust
32.0 - 32.3 (1.260 - 1.272)
Valve length “L”
Intake
99.53 - 99.97
(3.9185 - 3.9358)
Exhaust
99.38 - 99.82
(3.9126 - 3.9299)
Valve stem diameter “d”
Intake
6.965 - 6.980
(0.2742 - 0.2748)
Exhaust
6.945 - 6.960
(0.2734 - 0.2740)
Valve seat angle “
α
”
45°30
′
Valve margin “T” limit
0.5 (0.020)
Valve stem end surface grinding
limit
0.5 (0.020)
Valve spring
Inner
Outer
Free height
mm (in)
Intake
36.57 (1.4398)
42.25 (1.6634)
Exhaust
41.27 (1.6248)
49.35 (1.9429)
Pressure
N (kg, lb)
at height
mm (in)
Intake
233.21
(23.78, 52.43)
at 22.2 (0.874)
437.69
(44.63, 98.41)
at 25.7 (1.012)
Standard
Exhaust
233.4
(23.8, 52.5)
at 22.2 (0.874)
437.4
(44.6, 98.3)
at 25.7 (1.012)
Intake
208.01
(21.21, 46.77)
at 22.2 (0.874)
392.28
(40.00, 88.20)
at 25.7 (1.012)
Limit
Exhaust
208.69
(21.28, 46.92)
at 22.2 (0.874)
390.42
(39.81, 87.78)
at 25.7 (1.012)
Out-of-square
mm (in)
Intake
Less than 1.6
(0.063)
Less than 1.8
(0.071)
Exhaust
Less than 1.8
(0.071)
Less than 2.2
(0.087)
Valve guide
Unit: mm (in)
Standard
Service
Valve guide
Outer diameter
11.023 - 11.034
(0.4340 - 0.4344)
11.223 - 11.234
(0.4418 - 0.4423)
Valve guide
Inner diameter
(Finished size)
7.000 - 7.015
(0.2756 - 0.2762)
Cylinder head valve
guide hole diameter
10.985 - 10.996
(0.4325 - 0.4329)
11.185 - 11.196
(0.4404 - 0.4408)
Interference fit of valve
guide
0.027 - 0.049
(0.0011 - 0.0019)
Standard
Max. tolerance
Stem to guide clearance
Intake
0.020 - 0.050
(0.0008 - 0.0020)
0.10 (0.0039)
Exhaust
0.040 - 0.070
(0.0016 - 0.0028)
0.10 (0.0039)
Valve deflection limit
0.1 (0.004)
SERVICE DATA AND SPECIFICATIONS (SDS)
CD20T
Inspection and Adjustment (Cont’d)
EM-197
Valve seat resurfacing
VALVE LIFTER
Unit: mm (in)
Valve lifter outer diameter
Standard
34.959 - 34.975
(1.3763 - 1.3770)
Cylinder head valve lifter hole
diameter
34.998 - 35.018
(1.3779 - 1.3787)
Clearance
Standard
0.023 - 0.059
(0.0009 - 0.0023)
Limit
0.1 (0.004)
AVAILABLE SHIMS
Thickness mm (in)
Identification mark
2.20 (0.0866)
220
2.25 (0.0886)
225
2.30 (0.0906)
230
2.35 (0.0925)
235
2.40 (0.0945)
240
2.45 (0.0965)
245
2.50 (0.0984)
250
2.55 (0.1004)
255
2.60 (0.1024)
260
2.65 (0.1043)
265
2.70 (0.1063)
270
2.75 (0.1083)
275
2.80 (0.1102)
280
2.85 (0.1122)
285
2.90 (0.1142)
290
VALVE CLEARANCE
Unit: mm (in)
For adjusting
Hot
Cold*
(reference data)
Intake
0.25 - 0.35
(0.010 - 0.014)
0.20 - 0.30
(0.008 - 0.012)
Exhaust
0.39 - 0.49
(0.015 - 0.019)
0.33 - 0.43
(0.013 - 0.017)
*: At a temperature of approximately 20°C (68°F)
Unit: mm (in)
SEM917-B
SEM113FA
SERVICE DATA AND SPECIFICATIONS (SDS)
CD20T
Inspection and Adjustment (Cont’d)
EM-198
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