Nissan Primera P11. Manual — part 431
VALVE SEAT RESURFACE LIMIT
NCEM0031S08
Unit: mm (in)
AEM343
Depth (L)
Intake
35.95 - 36.55 (1.4154 - 1.4390)
Exhaust
35.92 - 36.52 (1.4142 - 1.4378)
Camshaft and Camshaft Bearing
NCEM0032
Unit: mm (in)
Engine model
QG16DE
QG18DE
Cam height “A”
Intake
40.220 - 40.410 (1.5835 - 1.5909)
40.610 - 40.800 (1.5988 - 1.6063)
Exhaust
40.056 - 40.245 (1.5770 - 1.5844)
Cam wear limit
0.20 (0.0079)
EM671
Standard
Limit
Camshaft journal to bearing clearance
0.045 - 0.086 (0.0018 - 0.0034)
0.15 (0.0059)
Inner diameter of
camshaft bearing
No. 1
28.000 - 28.021 (1.1024 - 1.1032)
—
No. 2 to No. 5
24.000 - 24.021 (0.9449 - 0.9457)
Outer diameter of
camshaft journal
No. 1
27.935 - 27.955 (1.0998 - 1.1006)
—
No. 2 to No. 5
23.935 - 23.955 (0.9423 - 0.9431)
Camshaft runout [TIR*]
Less than 0.02 (0.0008)
0.1 (0.004)
Camshaft end play
0.115 - 0.188 (0.0045 - 0.0074)
0.20 (0.0079)
*Total indicator reading
SERVICE DATA AND SPECIFICATIONS (SDS)
QG
Valve (Cont’d)
EM-183
Cylinder Block
NCEM0033
Unit: mm (in)
SEM171D
Crankshaft center
20
(0.79)
60
(2.36)
100
(3.94)
QG16DE
QG18DE
Limit
Standard
Surface flatness
Less than 0.03 (0.0012)
0.1 (0.004)
Height “H” (nominal)
213.95 - 214.05 (8.4232 - 8.4271)
—
Cylinder bore
inner diameter
Standard
Grade No. 1
76.000 - 76.0610
(2.9921 - 2.9925)
80.000 - 80.010
(3.1496 - 3.1500)
0.2 (0.008)
Grade No. 2
76.010 - 76.020
(2.7957 - 2.7961)
80.010 - 80.020
(3.1500 - 3.1504)
Grade No. 3
76.020 - 76.030
(2.7961 - 2.9933)
80.020 - 80.030
(3.1504 - 3.1508)
Out-of-round (X − Y)
Less than 0.015 (0.0006)
—
Taper (A − B)
Less than 0.01 (0.0004)
—
Difference in inner diameter between cylinders
0.05 (0.0020)
0.2 (0.008)
SERVICE DATA AND SPECIFICATIONS (SDS)
QG
Cylinder Block
EM-184
Piston, Piston Ring and Piston Pin
NCEM0034
PISTON
NCEM0034S01
Unit: mm (in)
SEM882E
QG16DE
QG18DE
Piston skirt diameter “A”
Standard
Grade No. 1
75.975 - 75.985
(2.9911 - 2.9915)
79.965 - 79.975
(3.1482 - 3.1486)
Grade No. 2
75.985 - 75.995
(2.9915 - 2.9919)
79.975 - 79.985
(3.1486 - 3.1490)
Grade No. 3
75.995 - 76.005
(2.9919 - 2.9923)
79.985 - 79.995
(3.1490 - 3.1494)
0.5 (0.002) oversize (service)
76.475 - 76.505
(3.0108 - 3.0120)
80.215 - 80.245
(3.1581 - 3.1592)
1.0 (0.039) oversize (service)
76.975 - 77.005
(3.0305 - 3.0317)
80.465 - 80.495
(3.1679 - 3.1691)
“a” dimension
44.5 (1.7520)
42.3 (1.665)
Piston pin hole inner diameter
18.987 - 18.999
(0.7475 - 0.7080)
18.993 - 19.005
(0.7478 - 0.7482)
Piston to bore clearance
0.015 - 0.035
(0.0006 - 0.0014)
0.025 - 0.045
(0.0010 - 0.0018)
PISTON RING
NCEM0034S02
Unit: mm (in)
QG16DE
QG18DE
Limit
Standard
Side clearance
Top
0.045 - 0.080 (0.0018 - 0.0031)
0.040 - 0.080 (0.0016 - 0.0031)
0.110 (0.0043)
2nd
0.030 - 0.070 (0.0012 - 0.0028)
0.100 (0.0039)
Oil
0.065 - 0.135 (0.0026 - 0.0053)
0.045 - 0.155 (0.0018 - 0.0061)
—
End gap
Top
0.20 - 0.30 (0.0079 - 0.0118)
0.53 (0.0209)
2nd
0.50 - 0.65 (0.0197 - 0.0256)
0.32 - 0.47 (0.0126 - 0.0185)
0.98 (0.0386)
Oil
0.20 - 0.60 (0.0079 - 0.0236)
0.95 (0.0374)
PISTON PIN
NCEM0034S03
Unit: mm (in)
QG16DE
QG18DE
Piston pin outer diameter
18.989 - 19.001 (0.7476 - 0.7481)
Piston pin to piston clearance
−0.004 to 0 (−0.0002 to 0)
0.002 - 0.006 (0.0001 - 0.0002)
Piston pin to connecting rod bushing
clearance
Standard
0.005 - 0.017 (0.0002 - 0.0007)
Limit
0.023 (0.0009)
SERVICE DATA AND SPECIFICATIONS (SDS)
QG
Piston, Piston Ring and Piston Pin
EM-185
Connecting Rod
NCEM0035
Unit: mm (in)
Center distance
140.45 - 140.55 (5.5295 - 5.5335)
Bend limit [per 100 (3.94)]
0.15 (0.0059)
Torsion limit [per 100 (3.94)]
0.3 (0.012)
Connecting rod bushing inner diameter* (small end)
19.000 - 19.012 (0.7480 - 0.7485)
Connecting rod big end inner diameter
43.000 - 43.013 (1.6929 - 1.6934)
Side clearance
Standard
0.200 - 0.470 (0.0079 - 0.0185)
Limit
0.5 (0.020)
*After installing in connecting rod
Crankshaft
NCEM0036
Unit: mm (in)
Main journal dia. “Dm”
Grade No. 0
49.956 - 49.964 (1.9668 - 1.9671)
Grade No. 1
49.948 - 49.956 (1.9665 - 1.9668)
Grade No. 2
49.940 - 49.948 (1.9661 - 1.9665)
Pin journal dia. “Dp”
Grade No. 0
39.968 - 39.974 (1.5735 - 1.5738)
Grade No. 1
39.962 - 39.968 (1.5733 - 1.5735)
Grade No. 2
39.956 - 39.962 (1.5731 - 1.5733)
Center distance “r”
43.95 - 44.05 (1.7303 - 1.7342)
Out-of-round (X − Y)
Standard
Less than 0.003 (0.0001)
Limit
Less than 0.005 (0.0002)
Taper (A − B)
Standard
Less than 0.004 (0.0002)
Limit
Less than 0.005 (0.0002)
Runout [TIR*]
Standard
Less than 0.04 (0.0016)
Limit
Less than 0.05 (0.0020)
Free end play
Standard
0.060 - 0.260 (0.0024 - 0.0102)
Limit
0.3 (0.012)
*: Total indicator reading
Main Bearing
NCEM0037
STANDARD
NCEM0037S01
Grade No.
Thickness “T” mm (in)
Identification color
0
1.826 - 1.830 (0.0719 - 0.0720)
Black
1
1.830 - 1.834 (0.0720 - 0.0722)
Red
2
1.834 - 1.838 (0.0722 - 0.0724)
Green
3
1.838 - 1.842 (0.0724 - 0.0725)
Yellow
4
1.842 - 1.846 (0.0725 - 0.0727)
Blue
UNDERSIZE
NCEM0037S02
Unit: mm (in)
Thickness “T”
0.25 (0.0098)
1.960 - 1.964 (0.0772 - 0.0773)
0.50 (0.0197)
2.085 - 2.089 (0.0821 - 0.0822)
SERVICE DATA AND SPECIFICATIONS (SDS)
QG
Connecting Rod
EM-186
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