Nissan Terrano model r20 series 2004. Instruction — part 46
Cylinder Block
Unit: mm (in)
SEM370G
Surface flatness
Standard
Less than 0.03 (0.0012)
Limit
0.10 (0.0039)
Cylinder bore
Inner diameter
Standard
Grade No. 1
96.000 - 96.010 (3.7795 - 3.7799)
Grade No. 2
96.010 - 96.020 (3.7799 - 3.7803)
Grade No. 3
96.020 - 96.030 (3.7803 - 3.7807)
Wear limit
0.20 (0.0079)
Out-of-round (X − Y)
Less than 0.02 (0.0008)
Taper (A − B − C)
Less than 0.02 (0.0008)
Main journal inner diameter (Without bearing)
74.981 - 75.000 (2.9520 - 2.9528)
Difference in inner diam-
eter between cylinders
Limit
Less than 0.05 (0.0020)
Piston, Piston Ring and Piston Pin
AVAILABLE PISTON
Unit: mm (in)
SEM369G
Piston skirt diameter “A”
Standard
Grade No. 1
95.950 - 95.960 (3.7776 - 3.7779)
Grade No. 2
95.960 - 95.970 (3.7779 - 3.7783)
Grade No. 3
95.970 - 95.980 (3.7783 - 3.7787)
“a” dimension
10 (0.39)
Piston pin hole diameter
32.997 - 33.005 (1.2991 - 1.2994)
Piston clearance to cylinder block
0.040 - 0.060 (0.0016 - 0.0024)
SERVICE DATA AND SPECIFICATIONS (SDS)
ZD
EM-90
PISTON RING
Unit: mm (in)
Standard
Limit
Side clearance
Top
0.05 - 0.07 (0.0020 - 0.0028)
0.5 (0.020)
2nd
0.04 - 0.08 (0.0016 - 0.0031)
0.3 (0.012)
Oil ring
0.02 - 0.06 (0.0008 - 0.0024)
0.15 (0.0059)
End gap
Top
0.25 - 0.45 (0.0098 - 0.0177)
1.5 (0.059)
2nd
0.50 - 0.65 (0.0197 - 0.0256)
1.5 (0.059)
Oil (rail ring)
0.25 - 0.50 (0.0098 - 0.0197)
1.5 (0.059)
PISTON PIN
Unit: mm (in)
Piston pin outer diameter
32.993 - 33.000 (1.2989 - 1.2992)
Interference fit of piston pin to piston
−0.003 to 0.012 (−0.0001 to 0.0005)
Piston pin to connecting rod bushing clearance
Standard
0.025 - 0.045 (0.0010 - 0.0018)
Limit
0.045 (0.0018)
*: Values measured at ambient temperature of 20°C (68°F)
Connecting Rod
Unit: mm (in)
Center distance
154.5 (6.083)
Bend [per 100 (3.94)]
Limit
0.05 (0.0020)
Torsion [per 100 (3.94)]
Limit
0.05 (0.0020)
Connecting rod small end inner diameter
35.987 - 36.000 (1.4168 - 1.4173)
Piston pin bushing inner diameter*
33.025 - 33.038 (1.3002 - 1.3007)
Connecting rod big end inner diameter
59.987 - 60.000 (2.3617 - 2.3622)
Crankshaft journal bearing inner diameter*
70.955 - 70.990 (2.7935 - 2.7949)
Side clearance
Standard
0.10 - 0.22 (0.0039 - 0.0087)
Limit
0.22 (0.0087)
*: After installing in connecting rod
SERVICE DATA AND SPECIFICATIONS (SDS)
ZD
Piston, Piston Ring and Piston Pin (Cont’d)
EM-91
Crankshaft
Unit: mm (in)
Main journal dia. “Dm”
70.907 - 70.920 (2.7916 - 2.7921)
Pin journal dia. “Dp”
Grade No. 0
56.913 - 56.926 (2.2407 - 2.2412)
Center distance “r”
50.95 - 51.05 (2.0059 - 2.0098)
Out-of-round (X − Y)
Standard
Less than 0.01 (0.0004)
Taper (A − B)
Standard
Less than 0.01 (0.0004)
Runout [TIR*]
Standard
Less than 0.01 (0.0004)
Limit
Less than 0.03 (0.0012)
Free end play
Standard
0.055 - 0.140 (0.0022 - 0.0055)
Limit
0.25 (0.0098)
SEM645
EM715
*: Total indicator reading
Available Main Bearing
UNDERSIZE
FEM127
Size
Thickness “T” mm (in)
Width “W” mm (in)
Main journal diameter “Dm”
Standard
2.005 - 2.013 (0.0789 - 0.0793)
25.74 - 26.00 (1.0134 - 1.0236)
Grind so that bearing clearance is
the specified value.
US 025
2.130 - 2.138 (0.0839 - 0.0842)
US 050
2.255 - 2.263 (0.0888 - 0.0891)
US 075
2.380 - 2.388 (0.0937 - 0.0940)
US 100
2.505 - 2.513 (0.0986 - 0.0989)
SERVICE DATA AND SPECIFICATIONS (SDS)
ZD
EM-92
Available Connecting Rod Bearing
CONNECTING ROD BEARING
Grade number
Thickness “T” mm (in)
Width “W” mm (in)
Standard
1.505 - 1.513 (0.0593 - 0.0596)
25.9 - 26.1 (1.020 - 1.028)
US 025
1.630 - 1.638 (0.0642 - 0.0645)
US 050
1.755 - 1.763 (0.0691 - 0.0694)
US 075
1.880 - 1.888 (0.0740 - 0.0743)
US 100
2.005 - 2.013 (0.0789 - 0.0793)
BALANCER SHAFT BUSH
Unit: mm (in)
SEM371G
Balancer shaft journal outer diameter
Front
50.875 - 50.895 (2.0029 - 2.0037)
Rear
50.675 - 50.695 (1.9951 - 1.9959)
Balancer shaft bearing inner diameter
Front
53.980 - 54.010 (2.1252 - 2.1264)
Rear
53.780 - 53.810 (2.1173 - 2.1185)
Balancer shaft journal oil clearance
Standard
0.045 - 0.135 (0.0018 - 0.0053)
Limit
0.180 (0.0071)
Balancer shaft bush outer diameter (d)
Front
54.090 - 54.130 (2.1295 - 2.1311)
Rear
53.890 - 53.930 (2.1216 - 2.1232)
Thickness (t)
Front
0.2 - 0.4 (0.008 - 0.016)
Rear
0.2 - 0.4 (0.008 - 0.016)
SERVICE DATA AND SPECIFICATIONS (SDS)
ZD
EM-93
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