2010 INFINITI QX56 Factory Service Manual

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Page 1961 of 4210

INFINITI QX56 2010 Factory Service Manual EM-110
< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Unit: mm (in)
*: Approximately 80°C (176 °F)
Available Valve Lifter
Unit: mm (in)
*: Always check with the Parts

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INFINITI QX56 2010 Factory Service Manual SERVICE DATA AND SPECIFICATIONS (SDS)EM-111
< SERVICE DATA AND SPECIFICATIONS (SDS)
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Unit: mm (in)
Spark Plug Tube
Unit: mm (in)
Valve Dimensions
Unit: mm (in)
Items
Sta

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INFINITI QX56 2010 Factory Service Manual EM-112
< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Valve Guide
Unit: mm (in)
Va l v e S e a t
Unit: mm (in)
Valve Spring
Valve seat angle “α” Intake
45°15 ′

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INFINITI QX56 2010 Factory Service Manual SERVICE DATA AND SPECIFICATIONS (SDS)EM-113
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CYLINDER BLOCK
Unit: mm (in)
PISTON, PISTON RING AND PISTON PIN
Available Piston
Fre

SERVICE DATA AND SPECIFICATIONS (SDS)EM-113
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CYLINDER BLOCK
Unit: mm (in)
PISTON, PISTON RING AND PISTON PIN
Available Piston
Free height mm (in)
50.58 (1.9913)
Pressure N (kg, lb) at height mm (in) Installation
165.8 - 187.0 (16.9 - 19.1, 37 - 42) at 37.0 (1.457)
Valve open 314.8 - 355.0 (32.1 - 36.2, 71 - 80) at 28.2 (1.110)
Out-of-square mm (in) Less than 2.2 (0.087)
Surface flatnessStandard
0.03 (0.0012)
LImit 0.1 (0.004)
Main bearing housing inside diameter Standard68.944 - 68.968 (2.7143 - 2.7153)
Cylinder bore diameter StandardGrade No. 1
98.000 - 98.010 (3.8583 - 3.8587)
Grade No. 2 98.010 - 98.020 (3.8587 - 3.8590)
Grade No. 3 98.020 - 98.030 (3.8590 - 3.8594)
Wear limit 0.20 (0.0079)
Out-of-round (Difference between X and Y) Limit 0.015 (0.0006)
Taper (Difference between A and C) 0.010 (0.0004)
Main journal inside 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. 768.944 - 68.945 (2.7143 - 2.7144)
68.945 - 68.946 (2.7144 - 2.7144)
68.946 - 68.947 (2.7144 - 2.7144)
68.947 - 68.948 (2.7144 - 2.7145)
68.948 - 68.949 (2.7145 - 2.7145)
68.949 - 68.950 (2.7145 - 2.7146)
68.950 - 68.951 (2.7146 - 2.7146)
68.951 - 68.952 (2.7146 - 2.7146)
68.952 - 68.953 (2.7146 - 2.7147)
68.953 - 68.954 (2.7147 - 2.7147)
68.954 - 68.955 (2.7147 - 2.7148)
68.955 - 68.956 (2.7148 - 2.7148)
68.956 - 68.957 (2.7148 - 2.7148)
68.957 - 68.958 (2.7148 - 2.7149)
68.958 - 68.959 (2.7149 - 2.7149)
68.959 - 68.960 (2.7149 - 2.7150)
68.960 - 68.961 (2.7150 - 2.7150)
68.961 - 68.962 (2.7150 - 2.7150)
68.962 - 68.963 (2.7150 - 2.7151)
68.963 - 68.964 (2.7151 - 2.7151)
68.964 - 68.965 (2.7151 - 2.7152)
68.965 - 68.966 (2.7152 - 2.7152)
68.966 - 68.967 (2.7152 - 2.7152)
68.967 - 68.968 (2.7152 - 2.7153)
Difference in bore diameter between cylinders Standard Less than 0.03 (0.0012)
PBIC0123E
Revision: April 20092010 QX56

Page 1965 of 4210

INFINITI QX56 2010 Factory Service Manual EM-114
< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information
Piston Ring
Unit: mm (in)

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INFINITI QX56 2010 Factory Service Manual SERVICE DATA AND SPECIFICATIONS (SDS)EM-115
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1: Always check with the Parts Department for the latest parts information
2: After

SERVICE DATA AND SPECIFICATIONS (SDS)EM-115
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1: Always check with the Parts Department for the latest parts information
2: After installing in connecting rod
CRANKSHAFT
Unit: mm (in)
Connecting rod side clearance
0.20 - 0.40 (0.0079 - 0.0157)0.40 (0.0157)
Connecting rod bearing housing Grade No. 0
Grade No. 1
Grade No. 2
Grade No. 3
Grade No. 4
Grade No. 5
Grade No. 6
Grade No. 7
Grade No. 8
Grade No. 9
Grade No. A
Grade No. B
Grade No. C57.000 - 57.001 (2.2441 - 2.2441)
57.001 - 57.002 (2.2441 - 2.2442)
57.002 - 57.003 (2.2442 - 2.2442)
57.003 - 57.004 (2.2442 - 2.2443)
57.004 - 57.005 (2.2443 - 2.2443)
57.005 - 57.006 (2.2443 - 2.2443)
57.006 - 57.007 (2.2443 - 2.2444)
57.007 - 57.008 (2.2444 - 2.2444)
57.008 - 57.009 (2.2444 - 2.2444)
57.009 - 57.010 (2.2444 - 2.2445)
57.010 - 57.011 (2.2445 - 2.2445)
57.011 - 57.012 (2.2445 - 2.2446)
57.012 - 57.013 (2.2446 - 2.2446)
Main journal dia. “Dm” grade (No. 1 and 5) StandardGrade
1Dimension
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. 1
Grade No. 2
Grade No. 3
Grade No. 4
Grade No. 5
Grade No. 6
Grade No. 7
Grade No. 9 63.963 - 63.964 (2.5182 - 2.5183)
63.962 - 63.963 (2.5182 - 2.5182)
63.961 - 63.962 (2.5181 - 2.5182)
63.960 - 63.961 (2.5181 - 2.5181)
63.959 - 63.960 (2.5181 - 2.5181)
63.958 - 63.959 (2.5180 - 2.5181)
63.957 - 63.958 (2.5180 - 2.5180)
63.956 - 63.957 (2.5179 - 2.5180)
63.955 - 63.956 (2.5179 - 2.5179)
63.954 - 63.955 (2.5179 - 2.5179)
63.953 - 63.954 (2.5178 - 2.5179)
63.952 - 63.953 (2.5178 - 2.5178)
63.951 - 63.952 (2.5178 - 2.5178)
63.950 - 63.951 (2.5177 - 2.5178)
63.949 - 63.950 (2.5177 - 2.5177)
63.948 - 63.949 (2.5176 - 2.5177)
63.947 - 63.948 (2.5176 - 2.5176)
63.946 - 63.947 (2.5176 - 2.5176)
63.945 - 63.946 (2.5175 - 2.5176)
63.944 - 63.945 (2.5175 - 2.5175)
63.943 - 63.944 (2.5174 - 2.5175)
63.942 - 63.943 (2.5174 - 2.5174)
63.941 - 63.942 (2.5174 - 2.5174)
63.940 - 63.941 (2.5173 - 2.5174)
SEM645PBIC1686E
Revision: April 20092010 QX56

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INFINITI QX56 2010 Factory Service Manual EM-116
< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
1: Always check with the Parts Department for the latest parts information
2: Total indicator reading
MAIN BEARING

Page 1968 of 4210

INFINITI QX56 2010 Factory Service Manual SERVICE DATA AND SPECIFICATIONS (SDS)EM-117
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*: Always check with the Parts Department for the latest parts information
Undersize

SERVICE DATA AND SPECIFICATIONS (SDS)EM-117
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*: Always check with the Parts Department for the latest parts information
Undersize
Unit: mm (in)
Main Bearing Oil Clearance
Unit: mm (in)
Connecting Rod Bearing
*: Always check with the Parts Department for the latest parts information
Undersize
0
—2.483 - 2.486 (0.0978 - 0.0979) Black
Grade is the same for upper
and lower bearings
1
—2.486 - 2.489 (0.0979 - 0.0980) Brown
2 —2.489 - 2.492 (0.0980 - 0.0981) Green
3 —2.492 - 2.495 (0.0981 - 0.0982) Yellow
4 —2.495 - 2.498 (0.0982 - 0.0983) Blue
5 —2.498 - 2.501 (0.0983 - 0.0985) Pink
6 —2.501 - 2.504 (0.0985 - 0.0986) Purple
7 —2.504 - 2.507 (0.0986 - 0.0987) White
8 —2.507 - 2.510 (0.0987 - 0.0988) Red
01 UPR
2.483 - 2.486 (0.0978 - 0.0979) Black
Grade is different for upper and
lower bearings.
LWR
2.486 - 2.489 (0.0979 - 0.0980) Brown
12 UPR
2.486 - 2.489 (0.0979 - 0.0980) Brown
LWR 2.489 - 2.492 (0.0980 - 0.0981) Green
23 UPR
2.489 - 2.492 (0.0980 - 0.0981) Green
LWR 2.492 - 2.495 (0.0981 - 0.0982) Yellow
34 UPR
2.492 - 2.495 (0.0981 - 0.0982) Yellow
LWR 2.495 - 2.498 (0.0982 - 0.0983) Blue
45 UPR
2.495 - 2.498 (0.0982 - 0.0983) Blue
LWR 2.498 - 2.501 (0.0983 - 0.0985) Pink
56 UPR
2.498 - 2.501 (0.0983 - 0.0985) Pink
LWR 2.501 - 2.504 (0.0985 - 0.0986) Purple
67 UPR
2.501 - 2.504 (0.0985 - 0.0986) Purple
LWR 2.504 - 2.507 (0.0986 - 0.0987) White
78 UPR
2.504 - 2.507 (0.0986 - 0.0987) White
LWR 2.507 - 2.510 (0.0987 - 0.0988) Red
UndersizeThickness Main journal diameter
0.25 (0.0098) 2.618 - 2.626 (0.1031 - 0.1034) Grind so that bearing clearance is the specified value.
Items StandardLimit
Main bearing oil clearance No.1 and 5
0.001 - 0.011 (0.00004 - 0.0004) 0.021 (0.0008)
No.2, 3 and 4 0.007 - 0.017 (0.0003 - 0.0007) 0.027 (0.0011)
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
3 1.509 - 1.512 (0.0594 - 0.0595) Yellow
Revision: April 20092010 QX56

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