Nissan Primera P11. Instruction — part 432
Connecting Rod Bearing
NCEM0038
STANDARD SIZE
NCEM0038S01
Unit: mm (in)
Grade No.
Thickness
Identification color or number
0
1.503 - 1.506 (0.0592 - 0.0593)
—
1
1.506 - 1.509 (0.0593 - 0.0594)
Brown
2
1.509 - 1.512 (0.0594 - 0.0595)
Green
UNDERSIZE
NCEM0038S02
Unit: mm (in)
Grade No.
Thickness
Identification color or number
0.08 (0.0031)
1.542 - 1.546 (0.0607 - 0.0609)
—
0.12 (0.0047)
1.562 - 1.566 (0.0615 - 0.0617)
—
0.25 (0.0098)
1.627 - 1.631 (0.0641 - 0.0642)
—
Bearing Clearance
NCEM0039
Unit: mm (in)
Main bearing clearance
Standard
0.020 - 0.044 (0.0008 - 0.0017)
Limit
0.1 (0.004)
Connecting rod bearing clearance
Standard
0.014 - 0.039 (0.0006 - 0.0015)
Limit
0.1 (0.004)
Miscellaneous Components
NCEM0040
Unit: mm (in)
Flywheel runout [TIR*]
Less than 0.15 (0.0059)
Camshaft sprocket runout [TIR*]
Less than 0.15 (0.0059)
*: Total indicator reading
SERVICE DATA AND SPECIFICATIONS (SDS)
QG
Connecting Rod Bearing
EM-187
General Specifications
Cylinder arrangement
In-line 4
Displacement
cm
3
(cu in)
1,998 (121.92)
Bore and stroke
mm (in)
86 x 86 (3.39 x 3.39)
Valve arrangement
DOHC
Firing order
1-3-4-2
Number of piston rings
Compression
2
Oil
1
Number of main bearings
5
Compression ratio
10.0
Valve timing
EM120
Unit: degree
a
b
c
d
e
f
SR20DE
232°
240°
6°
54°
3°
49°
Inspection and Adjustment
COMPRESSION PRESSURE
Unit: kPa (bar, kg/cm
2
, psi)/300 rpm
Standard
1,275
(12.75, 13.0, 185)
Minimum
1,079
(10.79, 11.0, 156)
Differential limit between cylin-
ders
98
(0.98, 1.0, 14)
CYLINDER HEAD
Unit: mm (in)
Standard
Limit
Head surface distortion
Less than
0.03 (0.0012)
0.1 (0.004)
SEM956C
Nominal cylinder head height:
H = 136.9 - 137.1 mm (5.390 - 5.398 in)
SERVICE DATA AND SPECIFICATIONS (SDS)
SR20DE
General Specifications
EM-188
VALVE
Unit: mm (in)
SEM188
Valve head diameter “D”
Intake
34.0 - 34.2 (1.339 - 1.346)
Exhaust
30.0 - 30.2 (1.181 - 1.189)
Valve length “L”
Intake
98.17 - 98.63 (3.8650 - 3.8831)
Exhaust
99.09 - 99.55 (3.9012 - 3.9193)
Valve stem diameter “d”
Intake
5.965 - 5.980 (0.2348 - 0.2354)
Exhaust
5.945 - 5.960 (0.2341 - 0.2346)
Valve seat angle “
α
”
Intake
Exhaust
45°15
′
- 45°45
′
Valve margin “T”
Intake
1.3 (0.051)
Exhaust
1.6 (0.063)
Valve margin “T” limit
More than 0.5 (0.020)
Valve stem end surface
grinding limit
Less than 0.2 (0.008)
Valve clearance
Intake
0 (0)
Exhaust
0 (0)
Valve spring
Free height
mm (in)
49.36 (1.9433)
Pressure
N (kg, lb) at height mm (in)
Standard
569.00 - 641.57
(58.02 - 65.42, 127.93 - 144.25)
at 30.0 (1.181)
Limit
549.2 (56.0, 123.5)
at 30.0 (1.181)
Out-of-square
mm (in)
Less than 2.2 (0.087)
Hydraulic lash adjuster (HLA)
Unit: mm (in)
HLA outer diameter
16.980 - 16.993
(0.6685 - 0.6690)
HLA guide inner diameter
17.000 - 17.020
(0.6693 - 0.6701)
Clearance between HLA and HLA guide
0.007 - 0.040
(0.0003 - 0.0016)
Valve guide
Unit: mm (in)
NEM032
Standard
Service
Valve guide
Outer
diameter
Intake
10.023 - 10.034
(0.3946 - 0.3950)
10.223 - 10.234
(0.4025 - 0.4029)
Exhaust
10.023 - 10.034
(0.3946 - 0.3950)
10.223 - 10.234
(0.4025 - 0.4029)
Valve guide
Inner diam-
eter (Fin-
ished size)
Intake
6.000 - 6.018
(0.2362 - 0.2369)
Exhaust
6.000 - 6.018 (0.2362 - 0.2369)
Cylinder head
valve guide
hole diameter
Intake
9.975 - 9.996
(0.3927 - 0.3935)
10.175 - 10.196
(0.4006 - 0.4014)
Exhaust
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)
Standard
Limit
Stem to guide
clearance
Intake
0.020 - 0.053
(0.0008 - 0.0021)
0.08 (0.0031)
Exhaust
0.040 - 0.073
(0.0016 - 0.0029)
0.1 (0.004)
Valve deflection limit
0.2 (0.008)
Projection length “L”
14.0 - 14.2 (0.551 - 0.559)
SERVICE DATA AND SPECIFICATIONS (SDS)
SR20DE
Inspection and Adjustment (Cont’d)
EM-189
Valve seat
SR20DE engine
Unit: mm (in)
NEM212
Standard
Service
Cylinder head seat recess diameter (D)
In.
35.000 - 35.016 (1.3780 - 1.3786)
35.500 - 35.516 (1.3976 - 1.3983)
Ex.
31.000 - 31.016 (1.2205 - 1.2211)
31.500 - 31.516 (1.2402 - 1.2408)
Valve seat interference fit
In.
0.064 - 0.096 (0.0025 - 0.0038)
Ex.
0.064 - 0.096 (0.0025 - 0.0038)
Valve seat outer diameter (d)
In.
35.080 - 35.096 (1.3811 - 1.3817)
35.580 - 35.596 (1.4008 - 1.4014)
Ex.
31.080 - 31.096 (1.2236 - 1.2242)
31.580 - 31.596 (1.2433 - 1.2439)
Depth (H)
In.
6.25 (0.2461)
Ex.
6.25 (0.2461)
Height (h)
6.2 - 6.3 (0.244 - 0.248)
INTAKE
Cylinder head
EXHAUST
Standard
Standard
*29.35 - 29.65
(1.1555 - 1.1673)
*44°53
′
- 45°07
′
*33.6 - 33.8
(1.323 - 1.331)
Contacting width (W): 1.385 - 1.401
(0.0545 - 0.0552)
*44°53
′
- 45°07
′
*29.4 -29.6 (1.157 - 1.165)
Contacting width (W): 1.385 - 1.401 (0.0545 - 0.0552)
Oversize
Oversize
*44°53
′
- 45°07
′
*33.6 - 33.8
(1.323 - 1.331)
Contacting width (W): 1.385 - 1.401
(0.0545 - 0.0552)
:* Machining data
*44°53
′
- 45°07
′
*29.4 - 29.6 (1.157 - 1.165)
Contacting width (W): 1.385 - 1.401 (0.0545 - 0.0552)
SERVICE DATA AND SPECIFICATIONS (SDS)
SR20DE
Inspection and Adjustment (Cont’d)
EM-190
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