Infiniti G35 (V35). Manual - part 502

CYLINDER BLOCK

EM-163

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CONNECTING ROD BEARING OIL CLEARANCE
Method by Calculation

●

Install connecting rod bearings to connecting rod and cap, and
tighten connecting rod bolts to the specified torque.  Refer to

EM-143, "ASSEMBLY"

  for the tightening procedure.

●

Measure the inner diameter of connecting rod bearing with
inside micrometer.

(Bearing oil clearance) = (Connecting rod bearing inner diameter) –
(Crankshaft pin journal diameter)

●

If clearance exceeds the limit, select proper connecting rod bearing according to connecting rod big end
diameter and crankshaft pin journal diameter to obtain specified bearing oil clearance. Refer to 

EM-151,

"HOW TO SELECT CONNECTING ROD BEARING"

 .

Method of Using Plastigage

●

Remove engine oil and dust on crankshaft pin journal and the surfaces of each bearing completely. 

●

Cut Plastigage slightly shorter than the bearing width, and place it in crankshaft axial direction, avoiding oil
holes.

●

Install connecting rod bearings to connecting rod and  cap, and tighten connecting rod bolts to the speci-
fied torque. Refer to 

EM-143, "ASSEMBLY"

  for the tightening procedure.

CAUTION:

Do not rotate crankshaft.

●

Remove connecting rod cap and bearing, and using scale on
Plastigage bag, measure the plastigage width.

NOTE:
The procedure when the measured value exceeds the limit is
same as that described in the “Method by Calculation”.

MAIN BEARING OIL CLEARANCE
Method by Calculation

●

Install main bearings to cylinder block and main bearing caps, and tighten main bearing cap bolts with
main bearing beam to the specified torque. Refer to 

EM-143, "ASSEMBLY"

  for the tightening procedure.

●

Measure the inner diameter of main bearing with bore gauge.

(Bearing oil clearance) = (Main bearing inner diameter) – (Crank-
shaft main journal diameter)

●

If clearance exceeds the limit, select proper main bearing
according to main bearing inner diameter and crankshaft main
journal diameter to obtain specified bearing oil clearance. Refer
to 

EM-152, "HOW TO SELECT MAIN BEARING"

 .

Method of Using Plastigage

●

Remove engine oil and dust on crankshaft main journal and the surfaces of each bearing completely.

●

Cut Plastigage slightly shorter than the bearing width, and place it in crankshaft axial direction, avoiding oil
holes.

Standard

: 0.034 - 0.059 mm (0.0013 - 0.0023 in) 

(actual clearance)

Limit

: 0.070 mm (0.0028 in)

PBIC1642E

PBIC1149E

Standard

: 0.035 - 0.045 mm (0.0014 - 0.0018 in) 

(actual clearance)

Limit

: 0.065 mm (0.0026 in)

PBIC1644E

EM-164

CYLINDER BLOCK

●

Install main bearings to cylinder block and main bearing caps, and tighten main bearing bolts with main
bearing beam to the specified torque. Refer to 

EM-143, "ASSEMBLY"

  for the tightening procedure.

CAUTION:

Do not rotate crankshaft.

●

Remove main bearing caps and bearings, and using scale on
Plastigage bag, measure the plastigage width. 

NOTE:
The procedure when the measured value exceeds the limit is
same as that described in the “Method by Calculation”.

CRUSH HEIGHT OF MAIN BEARING

●

When main bearing cap is removed after being tightened to the
specified torque with main bearings installed, the tip end of bear-
ing must protrude. Refer to 

EM-143, "ASSEMBLY"

  for the tight-

ening procedure.

●

If the standard is not met, replace main bearings.

CRUSH HEIGHT OF CONNECTING ROD BEARING

●

When connecting rod bearing cap is removed after being tight-
ened to the specified torque with connecting rod bearings
installed, the tip end of bearing must protrude. Refer to 

EM-143,

"ASSEMBLY"

  for the tightening procedure.

●

If the standard is not met, replace connecting rod bearings.

MAIN BEARING CAP BOLT OUTER DIAMETER

●

Measure the outer diameters (“d

1”

 , “d

2”

 ) at two positions as

shown in the figure.

●

If reduction appears in “A” range, regard it as “d

2

 ”.

●

If it exceeds the limit (large difference in dimensions), replace
main bearing cap bolt with new one.

CONNECTING ROD BOLT OUTER DIAMETER (A/T MODELS)

CAUTION:

Do not reuse connecting rod bolt for M/T models. Replace it with a new one. 

PBIC1149E

Standard

: There must be crush height.

SEM502G

Standard

: There must be crush height.

PBIC1646E

Limit (“d

1

 ” - “d

2

 ”)

: 0.11 mm (0.0043 in)

PBIC0911E

CYLINDER BLOCK

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●

Measure the outer diameter “d” at position shown in the figure.

●

If reduction appears in a position other than “d”, regard it as “d”.

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When “d” exceeds the limit (when it becomes thinner), replace
bolt with new one.

FLYWHEEL DEFLECTION

●

Measure the deflection of flywheel contact surface to clutch with
dial indicator.

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Measure the deflection at 210 mm (8.27 in) dia.

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If measured value is out of the standard, replace flywheel.

MOVEMENT AMOUNT OF FLYWHEEL

CAUTION:

Do not disassembly double mass flywheel.

Movement Amount of Thrust (Fore-and-Aft) Direction

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Measure the movement amount of thrust (fore-and-aft) direction when 100 N (10.2 kg, 22 lb) force is
added at the portion of 125 mm (4.92 in) radius from the center of flywheel.

●

If measured value is out of the standard, replace flywheel.

Movement Amount of Radial (Rotation) Direction

Check the movement amount of radial (rotation) direction as follows:
1.

Install bolt to clutch cover mounting hole, and place a torque wrench on the extended line of the flywheel
center line.

●

Tighten bolt at a force of 9.8 N·m (1 kg-m, 87 in-lb) to keep it from loosening.

2.

Put a mating mark on circumferences of the two flywheel
masses without applying any load (Measurement standard
points).

3.

Apply a force of 9.8 N·m (1 kg-m, 87 in-lb) in each direction, and
mark the movement amount on the mass on the transmission
side.

4.

Measure the dimensions of movement amounts “A” and “B” on
circumference of flywheel on the transmission side.

●

If measured value is out of the standard, replace flywheel.

Standard

: 7.90 - 8.00 mm (0.3110 - 0.3150 in)

Limit

: 7.75 mm (0.3051 in)

PBIC0912E

Standard  : Less than 0.45 mm (0.0177 in)

PBIC2168E

Standard

: Less than 1.3 mm (0.051 in)

Standard 

: Less than 24 mm (0.94 in)

PBIC2070E

EM-166

CYLINDER BLOCK

DRIVE PLATE (A/T MODELS)

●

Check drive plate and signal plate for deformation or damage.

CAUTION:

●

Do not disassemble drive plate.

●

Do not place drive plate with signal plate facing down.

●

When handling signal plate, take care not to damage or
scratch it. 

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Handle signal plate in a manner that prevents it from
becoming magnetized.

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If anything is found, replace drive plate.

OIL JET

●

Check nozzle for deformation and damage.

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Blow compressed air from nozzle, and check for clogs.

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If it is not satisfied, clean or replace oil jet.

OIL JET RELIEF VALVE

●

Using clean plastic stick, press check valve in oil jet relief valve.
Make sure that valve moves smoothly with proper reaction
force.

●

If it is not satisfied, replace oil jet relief valve.

SEM760G

EMU0468D