Infiniti QX56 (Z62). Manual — part 675
EM-140
< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Unit: mm (in)
Main journal diameter. “Dm” grade
(No. 1 and 5 journal)
Standard
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
63.964 - 63.963 (2.5183 - 2.5182)
63.963 - 63.962 (2.5182 - 2.5182)
63.962 - 63.961 (2.5182 - 2.5181)
63.961 - 63.960 (2.5181 - 2.5181)
63.960 - 63.959 (2.5181 - 2.5181)
63.959 - 63.958 (2.5181 - 2.5180)
63.958 - 63.957 (2.5180 - 2.5180)
63.957 - 63.956 (2.5180 - 2.5179)
63.956 - 63.955 (2.5179 - 2.5179)
63.955 - 63.954 (2.5179 - 2.5179)
63.954 - 63.953 (2.5179 - 2.5178)
63.953 - 63.952 (2.5178 - 2.5178)
63.952 - 63.951 (2.5178 - 2.5178)
63.951 - 63.950 (2.5178 - 2.5177)
63.950 - 63.949 (2.5177 - 2.5177)
63.949 - 63.948 (2.5177 - 2.5176)
63.948 - 63.947 (2.5176 - 2.5176)
63.947 - 63.946 (2.5176 - 2.5176)
63.946 - 63.945 (2.5176 - 2.5175)
63.945 - 63.944 (2.5175 - 2.5175)
63.944 - 63.943 (2.5175 - 2.5174)
63.943 - 63.942 (2.5174 - 2.5174)
63.942 - 63.941 (2.5174 - 2.5174)
63.941 - 63.940 (2.5174 - 2.5173)
Main journal diameter. “Dm” grade
(No. 2, 3 and 4 journal)
Standard
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. 1
Grade No. 2
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)
Pin journal diameter. “Dp” grade
Standard
Grade No. 0
Grade No. 1
Grade No. 2
53.968 - 53.974 (2.1247 - 2.1250)
53.962 - 53.968 (2.1245 - 2.1247)
53.956 - 53.962 (2.1243 - 2.1245)
SEM645
SERVICE DATA AND SPECIFICATIONS (SDS)
EM-141
< SERVICE DATA AND SPECIFICATIONS (SDS)
C
D
E
F
G
H
I
J
K
L
M
A
EM
N
P
O
*: Total indicator reading
Main Bearing
INFOID:0000000006289596
MAIN BEARING
UNDERSIZE
Unit: mm (in)
MAIN BEARING OIL CLEARANCE
Center distance “r”
45.96 - 46.04 (1.8095 - 1.8126)
Taper
Limit
0.0025 (0.0001)
Out-of-round
0.0025 (0.0001)
Crankshaft runout [TIR*]
Standard
Less than 0.05 (0.002)
Limit
0.10 (0.0039)
Crankshaft end play
Standard
0.10 - 0.26 (0.0039 - 0.0102)
Limit
0.30 (0.012)
Grade number
Thickness
mm (in)
Width
mm (in)
Identification color
Remarks
0
2.483 - 2.486 (0.0978 - 0.0979)
19.9 - 20.1
(0.783 - 0.791)
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 and color are
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
Items
Thickness
Main journal diameter
0.25 (0.0098)
2.618 - 2.626 (0.1031 - 0.1034)
Grind so that bearing clearance is the specified value.
EM-142
< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Unit: mm (in)
*: Actual clearance
Connecting Rod Bearing
INFOID:0000000006289597
CONNECTING ROD BEARING
UNDERSIZE
Unit: mm (in)
CONNECTING ROD BEARING OIL CLEARANCE
Unit: mm (in)
*: Actual clearance
Items
Standard
Limit
Main bearing oil clearance
No.1 and 5
0.001 - 0.011 (0.00004 - 0.00043)*
0.065 (0.0026)
No.2, 3 and 4
0.007 - 0.017 (0.0003 - 0.0007)*
Grade number
Thickness
mm (in)
Width mm (in)
Identification color (mark)
1
1.500 - 1.503 (0.0591 - 0.0592)
18.1 - 18.3
(0.713 - 0.720)
Black
2
1.503 - 1.506 (0.0592 - 0.0593)
Brown
3
1.506 - 1.509 (0.0593 - 0.0594)
Green
4
1.509 - 1.512 (0.0594 - 0.0595)
Yellow
Items
Thickness
Pin journal diameter
0.25 (0.0098)
1.627 - 1.635 (0.0641 - 0.0644)
Grind so that bearing clearance is the specified value.
Items
Standard
Limit
Connecting rod bearing oil clearance
0.020 - 0.039 (0.0008 - 0.0015)*
0.070 (0.0028)
EX-1
ENGINE
C
D
E
F
G
H
I
J
K
L
M
SECTION
EX
A
EX
N
O
P
CONTENTS
EXHAUST SYSTEM
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Removal and Installation . . . . . . . . . . ...
PREPARATION . . . . . . . . . . .
PREPARATION . . . . . . . . . . . . ...
Special Service Tool . . . . . . . . . . . .....
Commercial Service Tool . . . . . . . . . . ..
PERIODIC MAINTENANCE . . . . . . .
EXHAUST SYSTEM . . . . . . . . . . ...
Inspection . . . . . . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . .
EXHAUST SYSTEM . . . . . . . . . . ...
Exploded View . . . . . . . . . . . . . . ..
Removal and Installation . . . . . . . . . . ..
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