Infiniti FX35 / FX45. Manual - part 652

CYLINDER BLOCK

EM-125

< SERVICE INFORMATION >

[VQ35DE]

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6.

Drain engine coolant by removing water drain plugs from cylin-
der block both sides at “B” and “C” and cylinder block front side
at “A” as shown in the figure.

7.

Remove drive plate with power tool. Fix crankshaft with a ring gear stopper [SST: KV1011770 (J44716)],
and remove mounting bolts.
• Loosen mounting bolts in diagonal order.

CAUTION:

• Do not disassemble drive plate.
• Never place drive plate with signal plate facing down.
• When handling signal plate, take care not to damage or

scratch it. 

• Handle signal plate in a manner that prevents it from

becoming magnetized.

8.

Remove the following parts:
• Intake manifold collector: Refer to 

EM-19, "Component"

.

• Intake manifold: Refer to 

EM-24, "Component"

.

• Oil pans (lower and upper): Refer to 

EM-30, "Component (2WD Models)"

.

• Front and rear timing chain case: Refer to 

EM-64, "Component"

.

• Cylinder head: Refer to 

EM-100, "On-Vehicle Service"

.

9.

Remove knock sensor.

CAUTION:

Carefully handle sensor avoiding shocks.

PBIC2610E

SEM760G

EM-126

< SERVICE INFORMATION >

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CYLINDER BLOCK

10. Remove pilot converter using the pilot bushing puller (SST) as

necessary.

11. Remove rear oil seal retainer.

• Remove by inserting a screwdriver between main bearing cap and rear oil seal retainer.

CAUTION:

If rear oil seal retainer is removed, replace it with new one.
NOTE:
Regard both rear oil seal and retainer as an assembly.

12. Remove baffle plate from main bearing beam (2WD models).
13. Remove piston and connecting rod assembly with the following procedure:

• Before removing piston and connecting rod assembly, check the connecting rod side clearance. Refer to

EM-138, "Inspection After Disassembly"

.

CAUTION:

Be careful not to drop connecting rod bearing, and to scratch the surface.

a.

Position crankshaft pin corresponding to connecting rod to be removed onto the bottom dead center.

b.

Remove connecting rod bearing cap.

c.

Using a hammer handle or similar tool, push piston and connect-
ing rod assembly out to the cylinder head side.

CAUTION:

Be careful not to damage the cylinder wall and crankshaft
pin, resulting from an interference of the connecting rod big
end.

14. Remove connecting rod bearings from connecting rod and connecting rod bearing cap.

CAUTION:

• Be careful not to drop connecting rod bearing, and to scratch the surface.
• Identify installation positions, and store them without mixing them up.

15. Remove piston rings form piston.

• Before removing piston rings, check the piston ring side clearance. Refer to 

EM-138, "Inspection After

Disassembly"

.

• Use a piston ring expander (commercial service tool).

CAUTION:

• When removing piston rings, be careful not to damage

piston.

• Be careful not to damage piston rings by expanding them

excessively.

16. Remove piston from connecting rod as follows: 

SEM005G

EMQ0191D

PBIC0087E

CYLINDER BLOCK

EM-127

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a.

Using a snap ring pliers, remove snap rings.

b.

Heat piston to 60 to 70

°

C (140 to 158

°

F) with an industrial use

drier or equivalent.

c.

Push out piston pin with stick of outer diameter approximately 20
mm (0.79 in).

17. Remove main bearing cap bolts.

NOTE:
Use TORX socket (size E14).
• Before loosening main bearing cap bolts, measure the crankshaft end play. Refer to 

EM-138, "Inspec-

tion After Disassembly"

.

• Loosen main bearing cap bolts in the reverse order shown in

the figure in several different steps.

PBIC1638E

PBIC1639E

PBIC0262E

PBIC1800E

EM-128

< SERVICE INFORMATION >

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CYLINDER BLOCK

18. Remove main bearing beam.

19. Remove main bearing caps.

CAUTION:

Be careful not to drop main bearing, and to scratch the sur-
face.
• Using main bearing cap bolts, remove main bearing cap while

shaking it back-and-forth.

20. Remove crankshaft.

21. Remove main bearings and thrust bearings from cylinder block and main bearing caps.

CAUTION:

• Be careful not to drop main bearing, and to scratch the surface.
• Identify installation positions, and store them without mixing them up.

22. Remove oil jet.

ASSEMBLY

1.

Fully air-blow engine coolant and engine oil passages in cylinder block, cylinder bore and crankcase to
remove any foreign material.

CAUTION:

Use a goggles to protect your eye.

2.

Install each plug to cylinder block as shown in the figure.
• Apply sealant to the thread of water drain plugs “A”, “B” and

“C”.
Use Genuine RTV Silicone Sealant or equivalent. Refer to

GI-44, "Recommended Chemical Product and Sealant"

.

• Apply sealant to the thread of plugs “D” and “E”.

Use Genuine High Strength Thread Locking Sealant or
equivalent. Refer to 

GI-44, "Recommended Chemical

Product and Sealant"

.

• Apply sealant to the thread of plug “F”.

Use Anaerobic Liquid Gasket or equivalent. Refer to 

GI-

44, "Recommended Chemical Product and Sealant"

.

NOTE:
For Canada, “F” in the figure is not plug but block heater. Refer
to 

EM-122, "Component"

.

• Replace washers with new one.

PBIC0881E

EMQ0195D

PBIC2610E