Infiniti FX35, FX50 (S51). Manual - part 950

EM-100

< UNIT DISASSEMBLY AND ASSEMBLY >

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OIL PAN (UPPER)

OIL PAN (UPPER)

2WD

2WD : Exploded View

INFOID:0000000005245167

2WD : Disassembly and Assembly

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REMOVAL

CAUTION:

Never drain engine oil when the engine is hot to avoid the danger of being scalded.
1.

Remove oil level gauge, oil pressure switch and oil temperature sensor.

1.

Oil level gauge

2.

Oil level gauge guide

3.

O-ring

4.

O-ring

5.

O-ring

6.

Oil cooler

7.

Connector bolt

8.

Oil filter

9.

Relief valve

10. Oil strainer

11.

Oil pressure switch

12. Oil temperature sensor

13. Washer

14. Oil pan (upper)

15. Drain plug

16. Drain plug washer

17. Oil pan (lower)

18. Rear plate cover

A.

Refer to 

LU-9

B.

To oil pump

C.

Oil pan side

Refer to 

GI-4, "Components"

 for symbols in the figure.

JPBIA1940GB

OIL PAN (UPPER)

EM-101

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2.

Remove oil pan (lower). Refer to 

EM-47, "Removal and Installation"

.

3.

Remove oil strainer.

4.

Loosen mounting bolts in the reverse order as shown in the fig-
ure with power tool to remove.

• Insert the seal cutter [SST: KV10111100 (J-37228)] between

oil pan (upper) and lower cylinder block. Slide seal cutter by
tapping on the side of tool with a hammer. Remove oil pan
(upper).

CAUTION:

• Be careful not to damage the mating surfaces.
• Never insert a screwdriver, this will damage the mating

surfaces.

5.

Remove O-rings (2) from bottom of lower cylinder block (1) and
oil pump (3).

INSTALLATION

1.

Install oil pan (upper) as per the following:

a.

Use a scraper (A) to remove old liquid gasket from mating sur-
faces.

CAUTION:

Never scratch or damage the mating surfaces when clean-
ing off old liquid gasket.
• Also remove old liquid gasket from mating surface of lower cyl-

inder block.

• Remove old liquid gasket from the bolt holes and threads.

b.

Install new O-rings (2) on the bottom of lower cylinder block (1)
and oil pump (3).

: Engine front

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: Engine front

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: Engine front

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EM-102

< UNIT DISASSEMBLY AND ASSEMBLY >

[VQ35HR]

OIL PAN (UPPER)

c.

Apply a continuous bead of liquid gasket with the tube presser
(commercial service tool) to the cylinder block mating surface of
oil pan (upper) to a limited portion as shown in the figure.

Use Genuine RTV Silicone Sealant or an equivalent. Refer
to 

GI-16, "Recommended Chemical Products and Sealants"

.

CAUTION:

• For bolt holes with   marks (7 locations), apply liquid

gasket outside the holes.

• Attaching must be done within 5 minutes after coating.

d.

Install oil pan (upper).

CAUTION:

Install avoiding misalignment of both O-rings.
• Tighten mounting bolts in numerical order as shown in the fig-

ure.

• There are two types of mounting bolts. Refer to the following

for locating bolts.

2.

Install oil strainer to oil pump.

3.

Install oil pan (lower). Refer to 

EM-47, "Removal and Installation"

.

4.

Install oil pan drain plug.
• Refer to the figure of components of former page for installation direction of drain plug washer. Refer to

EM-46, "Exploded View"

.

5.

Install in the reverse order of removal after this step.
NOTE:
At least 30 minutes after oil pan is installed, pour engine oil.

2WD : Inspection

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INSPECTION AFTER REMOVAL

Clean oil strainer if any object attached.

INSPECTION AFTER INSTALLATION

1.

Check the engine oil level and adjust engine oil. Refer to 

LU-6, "Inspection"

.

2.

Start engine, and check there is no leakage of engine oil.

3.

Stop engine and wait for 10 minutes.

4.

Check the engine oil level again. Refer to 

LU-6, "Inspection"

.

AWD

a

: 

φ

4.0 - 5.0 mm (0.157 - 0.197 in)

: Engine front

: Engine front

M8 

×

 90 mm (3.54 in)

: 7, 10, 13

M8 

×

 25 mm (0.98 in)

: Except the above

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OIL PAN (UPPER)

EM-103

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AWD : Exploded View

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AWD : Disassembly and Assembly

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REMOVAL

CAUTION:

Never drain engine oil when the engine is hot to avoid the danger of being scalded.

1.

Remove oil level gauge, oil pressure switch and oil temperature sensor.

2.

Remove oil filter bracket. Refer to 

LU-11, "Exploded View"

.

3.

Remove oil pan (lower). Refer to 

EM-47, "Removal and Installation"

.

4.

Remove oil strainer.

1.

Oil level gauge

2.

Oil level gauge guide

3.

O-ring

4.

Gasket

5.

Oil filter bracket

6.

Washer

7.

Oil temperature sensor

8.

Oil pressure sensor

9.

Relief valve

10. O-ring

11.

Oil cooler

12. Connector bolt

13. Oil filter

14. Oil strainer

15. Drain plug

16. Oil pan drain plug

17. Oil pan (lower)

18. O-ring (small)

19. O-ring (large)

20. Axle pipe

21. Rear plate cover

22. Oil pan (upper)

23. O-ring

A.

Refer to 

LU-9

B.

To oil pump

C.

Oil pan side

Refer to 

GI-4, "Components"

 for symbols in the figure.

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