Content .. 542 543 544 545 ..

Infiniti M45 (Y34). Manual - part 544

SERVICE DATA AND SPECIFICATIONS (SDS)

EM-113

CONNECTING ROD

Unit: mm (in)

*: After installing in connecting rod

CRANKSHAFT

Unit: mm (in)

Center distance

146.95 - 147.05 (5.79 - 5.79)

Bend [per 100 (3.94)]

Limit

0.15 (0.0059)

Torsion [per 100 (3.94)]

Limit

0.30 (0.0118)

Connecting rod 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 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)

Main journal dia. “Dm” grade
(No. 1 and 5)

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)

Main journal dia. “Dm” grade
(No. 2, 3 and 4)

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

EM-114

SERVICE DATA AND SPECIFICATIONS (SDS)

*: Total indicator reading

MAIN BEARING

Unit: mm (in)

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 (2.0455 - 2.0457)

Center distance “r”

41.31 - 41.39 (1.6264 - 1.6295)

Out-of-round (Difference
between “X” and “Y”)

Standard

0.015 (0.0006)

Taper (Difference between “A”
and “B”)

Standard

0.010 (0.0004)

Runout [TIR*]

Limit

0.10 (0.0039)

End play

Standard

0.10 - 0.25 (0.0039 - 0.0098)

Limit

0.30 (0.0118)

SEM645

PBIC1686E

Grade number

Thickness

Identification color

Remarks

2.483 - 2.486 (0.0978 - 0.0979)

Black

Grade and color are the same
for upper and lower bearings.

2.486 - 2.489 (0.0979 - 0.0980)

Brown

2.489 - 2.492 (0.0980 - 0.0981)

Green

2.492 - 2.495 (0.0981 - 0.0982)

Yellow

2.495 - 2.498 (0.0982 - 0.0983)

Blue

2.498 - 2.501 (0.0983 - 0.0985)

Pink

2.501 - 2.504 (0.0985 - 0.0986)

Purple

2.504 - 2.507 (0.0986 - 0.0987)

White

2.507 - 2.510 (0.0987 - 0.0988)

Red

PBIC0189E

SERVICE DATA AND SPECIFICATIONS (SDS)

EM-115

Undersize

Unit: mm (in)

Bearing Oil Clearance

Unit: mm (in)

CONNECTING ROD BEARING

Undersize

Unit: mm (in)

Bearing Oil Clearance

Unit: mm (in)

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

UPR

2.486 - 2.489 (0.0979 - 0.0980)

Brown

LWR

2.489 - 2.492 (0.0980 - 0.0981)

Green

UPR

2.489 - 2.492 (0.0980 - 0.0981)

Green

LWR

2.492 - 2.495 (0.0981 - 0.0982)

Yellow

UPR

2.492 - 2.495 (0.0981 - 0.0982)

Yellow

LWR

2.495 - 2.498 (0.0982 - 0.0983)

Blue

UPR

2.495 - 2.498 (0.0982 - 0.0983)

Blue

LWR

2.498 - 2.501 (0.0983 - 0.0985)

Pink

UPR

2.498 - 2.501 (0.0983 - 0.0985)

Pink

LWR

2.501 - 2.504 (0.0985 - 0.0986)

Purple

UPR

2.501 - 2.504 (0.0985 - 0.0986)

Purple

LWR

2.504 - 2.507 (0.0986 - 0.0987)

White

UPR

2.504 - 2.507 (0.0986 - 0.0987)

White

LWR

2.507 - 2.510 (0.0987 - 0.0988)

Red

Undersize

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.

Oil clearance of main bearing

Standard

No.1 and 5

0.001 - 0.011 (0.00004 - 0.0004)

No.2, 3 and 4

0.007 - 0.017 (0.0003 - 0.0007)

Limit

No.1 and 5

0.021 (0.0008)

No.2, 3 and 4

0.027 (0.0011)

Grade number

Thickness “T”

mm (in)

Identification color (mark)

1.500 - 1.503 (0.0591 - 0.0592)

No color

1.503 - 1.506 (0.0592 - 0.0593)

Brown

1.506 - 1.509 (0.0593 - 0.0594)

Green

Undersize

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.

Oil clearance of connecting rod
bearing

Standard

0.020 - 0.045 (0.0008 - 0.0018)

Limit

0.055 (0.0022)

EM-116

SERVICE DATA AND SPECIFICATIONS (SDS)

Tightening Torque

ABS000M5

*1: Parts to be tightened in particular orders.
1)-: Order of tightening when tightening two or more times separately.

Unit: N·m (kg-m, ft-lb)
Unit: N·m (kg-m, in-lb)*

Auto tensioner (Used for alternator, water pump and A/C compressor)

19.6 - 23.5 (2.0 - 2.4, 15 - 17)

Auto tensioner (Used for power steering pump belt)

19.6 - 23.5 (2.0 - 2.4, 15 - 17)

Idler pulley

20.6 - 26.5 (2.1 - 2.7, 16 - 19)

Engine cover

5.5 (0.56, 49)*

Mass air flow sensor

3.8 (0.39, 34)*

Electric throttle control actuator

20.6 (2.1, 15)

EVAP canister purge control solenoid valve

15.7 (1.6, 12)

Intake manifold upper

28.0 (2.9, 21)

Intake manifold lower

28.0 (2.9, 21)

PCV tube

11.8 (1.2, 9)

Exhaust manifold and three way catalyst

28.0 (2.9, 21)

Exhaust manifold cover

5.8 (0.59, 51)*

Heated oxygen sensor 1

50.0 (5.1, 37)

Oil pan

M6 bolt

8.2 -9.5 (0.83 -0.97, 72 - 84)*

M8 bolt

19.6 - 23.5 (2.0 - 2.4, 15 - 17)

Oil pan drain plug

29.4 - 39.2 (3.0 - 4.0, 22 - 28)

Oil pressure switch

12.3 - 17.2 (1.25 - 1.75, 9 - 12)

Oil strainer

19.6 - 23.5 (2.0 - 2.4, 15 - 17)

Oil filter

14.7 - 20.6 (1.5 - 2.1, 11 - 15)

Rear plate cover

6.3 - 8.3 (0.64 - 0.85, 56 - 73)*

Ignition coil

4.1 (0.42, 36)*

Spark plug

24.6 (2.5, 18)

Fuel feed damper

8.4 (0.86, 74)*

Fuel tube (left and right)

1)
2)

10.1 (1.0, 7)
23.5 (2.4, 17)

Fuel damper and fuel hose assembly

9.6 (0.98, 85)*

Fuel damper (right)

8.4 (0.86, 74)*

Rocker cover

1)
2)

2.0 (0.2, 18)*

8.4 (0.85, 74)*

PCV valve

2.5 (0.26, 22)*

Front cover

12.8 (1.3, 9)

Crankshaft pulley

1)
2)

93.1 (9.5, 69)
90 degrees (angle tightening)

Oil pump assembly

8.8 (0.90, 78)*

Chain slack guide

16.7 (1.7, 12)

Chain tension guide

16.7 (1.7, 12)

Chain tensioner

6.9 (0.70, 61)*

Chain tensioner cover

8.8 (0.90, 78)*

Intake valve timing control cover

11.3 (1.2, 8)

Oil level gauge guide

12.8 (1.3, 9)

Content .. 542 543 544 545 ..