Infiniti I35 (A33). Manual — part 500
Valve Seat
NHEM0060
Unit: mm (in)
SEM021EC
SEM621F
Standard
Service
Cylinder head seat recess diameter (D)
Intake
38.000 - 38.016 (1.4961 - 1.4967)
38.500 - 38.516 (1.5157 - 1.5164)
Exhaust
32.200 - 32.216 (1.2677 - 1.2683)
32.700 - 32.716 (1.2874 - 1.2880)
Valve seat interference fit
Intake
0.081 - 0.113 (0.0032 - 0.0044)
Exhaust
0.064 - 0.096 (0.0025 - 0.0038)
Valve seat outer diameter (d)
Intake
38.097 - 38.113 (1.4999 - 1.5005)
38.597 - 38.613 (1.5196 - 1.5202)
Exhaust
32.280 - 32.296 (1.2709 - 1.2715)
32.780 - 32.796 (1.2905 - 1.2912)
Height (h)
Intake
5.9 - 6.0 (0.232 - 0.236)
5.05 - 5.15 (0.1988 - 0.2028)
Exhaust
5.9 - 6.0 (0.232 - 0.236)
4.95 - 5.05 (0.1949 - 0.1988)
Depth (H)
5.9 - 6.1 (0.232 - 0.240)
Depth (L)
Intake
41.07 - 41.67 (1.6169 - 1.6405)
Exhaust
41.00 - 41.60 (1.6142 - 1.6378)
GI
MA
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
SERVICE DATA AND SPECIFICATIONS (SDS)
Valve Seat
EM-91
Camshaft and Camshaft Bearing
=NHEM0061
Unit: mm (in)
Standard
Limit
Camshaft journal to bearing clearance
No. 1
0.045 - 0.086 (0.0018 - 0.0034)
No. 2, 3, 4
0.035 - 0.076 (0.0014 - 0.0030)
0.15 (0.0059)
Inner diameter of camshaft bearing
No. 1
26.000 - 26.021 (1.0236 - 1.0244)
No. 2, 3, 4
23.500 - 23.521 (0.9252 - 0.9260)
—
Outer diameter of camshaft journal
No. 1
25.935 - 25.955 (1.0211 - 1.0218)
No. 2, 3, 4
23.445 - 23.465 (0.9230 - 0.9238)
—
Camshaft runout [TIR*]
Less than 0.02 (0.0008)
0.05 (0.0020)
Camshaft sprocket runout [TIR*]
Less than 0.15 (0.0059)
—
Camshaft end play
0.115 - 0.188 (0.0045 - 0.0074)
0.24 (0.0094)
*: Total indicator reading
EM671
Cam height “A”
Intake and
exhaust
44.865 - 45.055 (1.7663 - 1.7738)
Wear limit of cam height
0.2 (0.008)
Valve timing
PBIC0187E
Unit: degree
a
b
c
d
e
f
Intake valve tim-
ing control
OFF
240
238
−6
64
8
52
SERVICE DATA AND SPECIFICATIONS (SDS)
Camshaft and Camshaft Bearing
EM-92
Cylinder Block
NHEM0062
Unit: mm (in)
SEM022EA
Surface flatness
Standard
Less than 0.03 (0.0012)
Limit
0.10 (0.0039)
Cylinder bore
Inner diameter
Standard
Grade No. 1
95.500 - 95.510 (3.7598 - 3.7602)
Grade No. 2
95.510 - 95.520 (3.7602 - 3.7606)
Grade No. 3
95.520 - 95.530 (3.7606 - 3.7610)
Wear limit
0.20 (0.0079)
Out-of-round (Difference between X and Y)
Less than 0.015 (0.0006)
Taper (Difference between A and C)
Less than 0.015 (0.0006)
Main journal inner
diameter grade
(Without bearing)
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
63.993 - 63.994 (2.5194 - 2.5194)
63.994 - 63.995 (2.5194 - 2.5195)
63.995 - 63.996 (2.5195 - 2.5195)
63.996 - 63.997 (2.5195 - 2.5196)
63.997 - 63.998 (2.5196 - 2.5196)
63.998 - 63.999 (2.5196 - 2.5196)
63.999 - 64.000 (2.5196 - 2.5197)
64.000 - 64.001 (2.5197 - 2.5197)
64.001 - 64.002 (2.5197 - 2.5198)
64.002 - 64.003 (2.5198 - 2.5198)
64.003 - 64.004 (2.5198 - 2.5198)
64.004 - 64.005 (2.5198 - 2.5199)
64.005 - 64.006 (2.5199 - 2.5199)
64.006 - 64.007 (2.5199 - 2.5200)
64.007 - 64.008 (2.5200 - 2.5200)
64.008 - 64.009 (2.5200 - 2.5200)
64.009 - 64.010 (2.5200 - 2.5201)
64.010 - 64.011 (2.5201 - 2.5201)
64.011 - 64.012 (2.5201 - 2.5202)
64.012 - 64.013 (2.5202 - 2.5202)
64.013 - 64.014 (2.5202 - 2.5202)
64.014 - 64.015 (2.5202 - 2.5203)
64.015 - 64.016 (2.5203 - 2.5203)
64.016 - 64.017 (2.5203 - 2.5203)
Difference in inner
diameter between
cylinders
Standard
Less than 0.03 (0.0012)
GI
MA
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
SERVICE DATA AND SPECIFICATIONS (SDS)
Cylinder Block
EM-93
Piston, Piston Ring and Piston Pin
NHEM0063
AVAILABLE PISTON
NHEM0063S01
Unit: mm (in)
SEM882E
Piston skirt diameter “A”
Standard
Grade No. 1
95.480 - 95.490 (3.7590 - 3.7594)
Grade No. 2
95.490 - 95.500 (3.7594 - 3.7598)
Grade No. 3
95.500 - 95.510 (3.7598 - 3.7602)
0.20 (0.0079) oversize (Service)
95.680 - 95.710 (3.7669 - 3.7681)
“a” dimension
41.0 (1.614)
Piston pin hole diameter
Grade No. 0
21.993 - 21.999 (0.8659 - 0.8661)
Grade No. 1
21.999 - 22.005 (0.8661 - 0.8663)
Piston clearance to cylinder block
0.010 - 0.030 (0.0004 - 0.0012)
SERVICE DATA AND SPECIFICATIONS (SDS)
Piston, Piston Ring and Piston Pin
EM-94
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