Infiniti I35 (A33). Manual — part 501
PISTON RING
=NHEM0063S02
Unit: mm (in)
Standard
Limit
Side clearance
Top
0.045 - 0.080 (0.0018 - 0.0031)
0.11 (0.0043)
2nd
0.030 - 0.070 (0.0012 - 0.0028)
0.1 (0.004)
Oil ring
0.065 - 0.135 (0.0026 - 0.0053)
—
End gap
Top
0.23 - 0.33 (0.0091 - 0.0130)
0.54 (0.0213)
2nd
0.33 - 0.48 (0.0130 - 0.0189)
0.80 (0.0315)
Oil (rail ring)
0.20 - 0.60 (0.0079 - 0.0236)
0.95 (0.0374)
PISTON PIN
NHEM0063S03
Unit: mm (in)
Piston pin outer diameter
Grade No. 0
21.989 - 21.995 (0.8657 - 0.8659)
Grade No. 1
21.995 - 22.001 (0.8659 - 0.8662)
Interference fit of piston pin to piston
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
0.030 (0.0012)
*: Values measured at ambient temperature of 20°C (68°F)
Connecting Rod
NHEM0064
Unit: mm (in)
Center distance
144.15 - 144.25 (5.6752 - 5.6791)
Bend [per 100 (3.94)]
Limit
0.15 (0.0059)
Torsion [per 100 (3.94)]
Limit
0.30 (0.0118)
Connecting rod small end inner diameter
23.980 - 24.000 (0.9441 - 0.9449)
Piston pin bushing inner diameter*
Grade No. 0
22.000 - 22.006 (0.8661 - 0.8664)
Grade No. 1
22.006 - 22.012 (0.8664 - 0.8666)
Connecting rod big end inner diameter
55.000 - 55.013 (2.1654 - 2.1659)
Side clearance
Standard
0.20 - 0.35 (0.0079 - 0.0138)
Limit
0.40 (0.0157)
*: After installing in connecting rod
GI
MA
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
SERVICE DATA AND SPECIFICATIONS (SDS)
Piston, Piston Ring and Piston Pin (Cont’d)
EM-95
Crankshaft
NHEM0065
Unit: mm (in)
Main journal dia. “Dm” grade
Grade No. A
Grade No. B
Grade No. C
Grade No. D
Grade No. E
Grade No. F
Grade No. G
Grade No. H
Grade No. J
Grade No. K
Grade No. L
Grade No. M
Grade No. N
Grade No. P
Grade No. R
Grade No. S
Grade No. T
Grade No. U
Grade No. V
Grade No. W
Grade No. X
Grade No. Y
Grade No. 4
Grade No. 7
59.975 - 59.974 (2.3612 - 2.3612)
59.974 - 59.973 (2.3612 - 2.3611)
59.973 - 59.972 (2.3611 - 2.3611)
59.972 - 59.971 (2.3611 - 2.3611)
59.971 - 59.970 (2.3611 - 2.3610)
59.970 - 59.969 (2.3610 - 2.3610)
59.969 - 59.968 (2.3610 - 2.3609)
59.968 - 59.967 (2.3609 - 2.3609)
59.967 - 59.966 (2.3609 - 2.3609)
59.966 - 59.965 (2.3609 - 2.3608)
59.965 - 59.964 (2.3608 - 2.3608)
59.964 - 59.963 (2.3608 - 2.3607)
59.963 - 59.962 (2.3607 - 2.3607)
59.962 - 59.961 (2.3607 - 2.3607)
59.961 - 59.960 (2.3607 - 2.3606)
59.960 - 59.959 (2.3606 - 2.3606)
59.959 - 59.958 (2.3606 - 2.3605)
59.958 - 59.957 (2.3605 - 2.3605)
59.957 - 59.956 (2.3605 - 2.3605)
59.956 - 59.955 (2.3605 - 2.3604)
59.955 - 59.954 (2.3604 - 2.3604)
59.954 - 59.953 (2.3604 - 2.3603)
59.953 - 59.952 (2.3603 - 2.3603)
59.952 - 59.951 (2.3603 - 2.3603)
Pin journal dia. “Dp”
Grade No. 0
51.968 - 51.974 (2.0460 - 2.0462)
Grade No. 1
51.962 - 51.968 (2.0457 - 2.0460)
Grade No. 2
51.956 - 51.962 (2.0445 - 2.0457)
Center distance “r”
40.36 - 40.44 (1.5890 - 1.5921)
Out-of-round (X − Y)
Standard
Less than 0.002 (0.0001)
Taper (A − B)
Standard
Less than 0.002 (0.0001)
Runout [TIR*]
Limit
Less than 0.10 (0.0039)
Free end play
Standard
0.10 - 0.25 (0.0039 - 0.0098)
Limit
0.30 (0.0118)
SEM645
EM715
*: Total indicator reading
SERVICE DATA AND SPECIFICATIONS (SDS)
Crankshaft
EM-96
Available Main Bearing
NHEM0066
SEM175F
Grade number
Thickness “T”
mm (in)
Width “W”
mm (in)
Identification color
(UPR/LWR)
Remarks
0
2.000 - 2.003 (0.0787 - 0.0789)
19.9 - 20.1
(0.783 - 0.791)
Black
Grade is the same for
upper and lower bearings.
1
2.003 - 2.006 (0.0789 - 0.0790)
Brown
2
2.006 - 2.009 (0.0790 - 0.0791)
Green
3
2.009 - 2.012 (0.0791 - 0.0792)
Yellow
4
2.012 - 2.015 (0.0792 - 0.0793)
Blue
5
2.015 - 2.018 (0.0793 - 0.0794)
Pink
6
2.018 - 2.021 (0.0794 - 0.0796)
Purple
7
2.021 - 2.024 (0.0796 - 0.0797)
White
01
UPP
2.003 - 2.006 (0.0789 - 0.0790)
Brown/Black
Grade is different for upper
and lower bearings.
LWR
2.000 - 2.003 (0.0787 - 0.0789)
12
UPR
2.006 - 2.009 (0.0790 - 0.0791)
Green/Brown
LWR
2.003 - 2.006 (0.0789 - 0.0790)
23
UPR
2.009 - 2.012 (0.0791 - 0.0792)
Yellow/Green
LWR
2.006 - 2.009 (0.0790 - 0.0791)
34
UPR
2.012 - 2.015 (0.0792 - 0.0793)
Blue/Yellow
LWR
2.009 - 2.012 (0.0791 - 0.0792)
45
UPR
2.015 - 2.018 (0.0793 - 0.0794)
Pink/Blue
LWR
2.012 - 2.015 (0.0792 - 0.0793)
56
UPR
2.018 - 2.021 (0.0794 - 0.0796)
Purple/Pink
LWR
2.015 - 2.018 (0.0793 - 0.0794)
67
UPR
2.021 - 2.024 (0.0796 - 0.0797)
White/Purple
LWR
2.018 - 2.021 (0.0794 - 0.0796)
UNDERSIZE
NHEM0066S01
Unit: mm (in)
Thickness
Main journal diameter “Dm”
0.25 (0.0098)
2.132 - 2.140 (0.0839 - 0.0843)
Grind so that bearing clearance is the specified
value.
GI
MA
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
SERVICE DATA AND SPECIFICATIONS (SDS)
Available Main Bearing
EM-97
Available Connecting Rod Bearing
NHEM0067
CONNECTING ROD BEARING
NHEM0067S01
Grade number
Thickness “T”
mm (in)
Identification color (mark)
0
1.500 - 1.503 (0.0591 - 0.0592)
Black
1
1.503 - 1.506 (0.0592 - 0.0593)
Brown
2
1.506 - 1.509 (0.0593 - 0.0594)
Green
UNDERSIZE
NHEM0067S02
Unit: mm (in)
Thickness
Crank pin journal diameter “Dp”
0.25 (0.0098)
1.626 - 1.634 (0.0640 - 0.0643)
Grind so that bearing clearance is the specified
value.
Miscellaneous Components
NHEM0068
Unit: mm (in)
Drive plate runout [TIR]*
Less than 0.15 (0.0059)
*: Total indicator reading
BEARING CLEARANCE
NHEM0068S01
Unit: mm (in)
Main bearing clearance
Standard
0.035 - 0.045 (0.0014 - 0.0018)
Limit
0.065 (0.0026)
Connecting rod bearing clearance
Standard
0.034 - 0.059 (0.0013 - 0.0023)
Limit
0.070 (0.0028)
SERVICE DATA AND SPECIFICATIONS (SDS)
Available Connecting Rod Bearing
EM-98
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