Infiniti QX56 (Z62). Manual — part 673
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< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General Specification
INFOID:0000000006289589
GENERAL SPECIFICATIONS
Drive Belts
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DRIVE BELT
Spark Plug
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SPARK PLUG
Unit: mm (in)
Cylinder arrangement
V-8
Displacement
cm
3
(cu in)
5,552 (338.80)
Bore and stroke
mm (in)
98.0 x 92.0 (3.86 x 3.62)
Valve arrangement
DOHC
Firing order
1-8-7-3-6-5-4-2
Number of piston rings
Compression
2
Oil
1
Number of main bearings
5
Compression ratio
10.8
Compression pressure
kPa (kg/cm
2
, psi)/200 rpm
Standard
1,667 (17, 242)
Minimum
1,226 (12.5, 178)
Differential limit between cylinders
98 (1.0, 14)
Cylinder number
Unit: degree
Valve timing
Intake valve open (BTDC)
(
−
61) - (+ 58)
Intake valve close (ABDC)
(
−
76) - (+ 69)
Exhaust valve open (BBDC)
56
Exhaust valve close (ATDC)
8
SEM957C
Tension of drive belts
Belt tension is not necessary, as it is automatically adjusted by drive belt auto-tensioner.
Make
NGK
Standard type
DILKAR7B11
SERVICE DATA AND SPECIFICATIONS (SDS)
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< SERVICE DATA AND SPECIFICATIONS (SDS)
C
D
E
F
G
H
I
J
K
L
M
A
EM
N
P
O
Exhaust Manifold
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EXHAUST MANIFOLD
Unit: mm (in)
Camshaft
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EXHAUST CAMSHAFT
Unit: mm (in)
*: Total indicator reading
INTAKE CAMSHAFT
Unit: mm (in)
*
1
: Total indicator reading
VALVE LIFTER
Unit: mm (in)
VALVE CLEARANCE
Gap
Standard
1.1 (0.043)
Limit
1.25 (0.049)
Items
Limit
Surface distortion
Exhaust manifold
0.7 (0.028)
Items
Standard
Limit
Exhaust camshaft journal oil clearance
0.030 - 0.071 (0.0012 - 0.0028)
0.150 (0.0059)
VVEL ladder assembly bracket inner diameter (EXH side)
26.000 - 26.021 (1.0236 - 1.0244)
—
Exhaust camshaft journal diameter
25.935 - 25.955 (1.0211 - 1.0218)
—
Exhaust camshaft end play
0.115 - 0.188 (0.0045 - 0.0074)
0.24 (0.0094)
Exhaust camshaft cam height “A”
45.475 - 45.665 (1.7904 - 1.7978)
45.275 (1.7825)
Exhaust camshaft runout [TIR*]
Less than 0.02 (0.0008)
0.05 (0.002)
Exhaust camshaft sprocket runout [TIR*]
—
0.2 (0.0079)
SEM671
Items
Standard
Limit
Drive shaft end play
0.115 - 0.188 (0.0045 - 0.0074)
0.24 (0.0094)
Intake camshaft sprocket runout [TIR*
1
]
—
0.15 (0.0059)
Items
Standard
Valve lifter outer diameter
33.980 - 33.990 (1.3378 - 1.3382)
Valve lifter hole diameter
34.000 - 34.016 (1.3386 - 1.3392)
Valve lifter clearance
0.010 - 0.036 (0.0004 - 0.0014)
EM-134
< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Unit: mm (in)
*: Approximately 80
°
C (176
°
F)
AVAILABLE VALVE LIFTER
Unit: mm (in)
Items
Cold
Hot* (reference data)
Intake
0.26 - 0.34 (0.010 - 0.013)
0.304 - 0.416 (0.012 - 0.016)
Exhaust
0.29 - 0.37 (0.011 - 0.015)
0.308 - 0.432 (0.012 - 0.017)
Identification (stamped) mark
Thickness
788P
7.88 (0.3102)
790P
7.90 (0.3110)
792P
7.92 (0.3118)
794P
7.94 (0.3126)
796P
7.96 (0.3134)
798P
7.98 (0.3142)
800P
8.00 (0.3150)
802P
8.02 (0.3157)
804P
8.04 (0.3165)
806P
8.06 (0.3173)
808P
8.08 (0.3181)
810P
8.10 (0.3189)
812P
8.12 (0.3197)
814P
8.14 (0.3205)
816P
8.16 (0.3213)
818P
8.18 (0.3220)
820P
8.20 (0.3228)
822P
8.22 (0.3236)
824P
8.24 (0.3244)
826P
8.26 (0.3252)
828P
8.28 (0.3260)
830P
8.30 (0.3268)
832P
8.32 (0.3276)
834P
8.34 (0.3283)
836P
8.36 (0.3291)
838P
8.38 (0.3299)
840P
8.40 (0.3307)
SEM758G
SERVICE DATA AND SPECIFICATIONS (SDS)
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< SERVICE DATA AND SPECIFICATIONS (SDS)
C
D
E
F
G
H
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A
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Cylinder Head
INFOID:0000000006289594
CYLINDER HEAD
Unit: mm (in)
VALVE DIMENSIONS
Unit: mm (in)
VALVE GUIDE
Items
Standard
Limit
Head surface distortion
Less than 0.03 (0.0012)
0.1 (0.004)
Normal cylinder head height “H”
126.3 (4.97)
—
PBIC0924E
Valve head diameter “D”
Intake
36.6 - 36.9 (1.441 - 1.453)
Exhaust
31.2 - 31.5 (1.228 - 1.240)
Valve length “L”
Intake
99.19 - 99.69 (3.9051 - 3.9248)
Exhaust
93.74 - 94.24 (3.6905 - 3.7102)
Valve stem diameter “d”
Intake
5.965 - 5.980 (0.2348 - 0.2354)
Exhaust
5.955 - 5.970 (0.2344 - 0.2350)
Valve seat angle “
α
”
Intake
45
°
15
′
- 45
°
45
′
Exhaust
Valve margin “T”
Intake
1.1 (0.043)
Exhaust
1.3 (0.051)
Valve margin “T” limit
0.5 (0.020)
Valve stem end surface grinding limit
0.2 (0.008)
SEM188
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