Infiniti G35 (V35) Sedan. Manual - part 625

OIL PAN (UPPER) AND OIL STRAINER

EM-99

< DISASSEMBLY AND ASSEMBLY >

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AWD : Disassembly and Assembly

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REMOVAL

CAUTION:

To avoid the danger of being scalded, never drain engine oil when the engine is hot.
1.

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

2.

Disconnect oil cooler water hoses, and remove oil cooler water pipe mounting bolt. Refer to 

LU-14, "AWD

: Exploded View"

.

3.

Remove oil filter bracket. Refer to 

LU-12, "AWD : Exploded View"

.

4.

Remove oil pan (lower). Refer to 

EM-41, "Exploded View (2WD)"

 or 

EM-41, "Exploded View (AWD)"

.

5.

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 switch

9.

Relief valve

10. O-ring

11.

Oil cooler

12. Connector bolt

13. Oil filter

14. Oil strainer

15. Drain plug

16. Drain plug washer

17. Oil pan (lower)

18

O-ring (small)

19. O-ring (large)

20. Axle pipe

21. Rear plate cover

22. Oil pan (upper)

A.

Refer to 

LU-10

. 

B.

To oil pump

C.

Oil pan side

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< DISASSEMBLY AND ASSEMBLY >

OIL PAN (UPPER) AND OIL STRAINER

6.

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

• Insert the seal cutter [SST: KV10111100 (J37228)] between oil

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

CAUTION:

• Be careful not to damage the mating surfaces.
• Do not insert a screwdriver, this will damage the mating

surfaces.

7.

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

8.

Remove axle pipe, as necessary.
• Remove axle pipe from oil pan (upper) using a suitable drift (A)

[outer diameter: 37 mm (1.46 in)].

INSTALLATION

1.

Install axle pipe (3) to oil pan (upper), if removed.
• Lubricate O-ring groove of axle pipe, O-rings (1) (2), and O-

ring joint of oil pan with new engine oil.

Unit: mm (in)

: Engine front

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: Engine front

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Items

O-ring inner diameter

Final drive side (right side)

31.4 (1.24)

Axle pipe flange side (left side)

33.6 (1.32)

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OIL PAN (UPPER) AND OIL STRAINER

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• Install axle pipe (1) to oil pan (upper) from axle pipe flange

side (left side) using a suitable drift (A) [outer diameter: 43 to
57 mm (1.69 to 2.24 in)].

CAUTION:

Insert it with care to prevent O-ring from sliding.

2.

Install oil pan (upper) as follows:

a.

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

CAUTION:

Do not 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).

c.

Apply a continuous bead of liquid gasket with the tube presser
[SST: WS39930000 (

—

)] to the cylinder block mating sur-

face of oil pan (upper) to a limited portion as shown in the figure.

Use Genuine RTV Silicone Sealant or equivalent. Refer to

GI-15, "Recommended Chemical Products and Sealants"

.

CAUTION:

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

gasket outside the holes.

• Attaching should be done within 5 minutes after coating.

d.

Install oil pan (upper).

CAUTION:

Install avoiding misalignment of O-rings.

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: Engine front

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a

: 4.0 - 5.0 mm (0.157 - 0.197 in)

: Engine front

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< DISASSEMBLY AND ASSEMBLY >

OIL PAN (UPPER) AND OIL STRAINER

• Tighten mounting bolts in numerical order as shown in the fig-

ure.

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

for locating bolts.

3.

Install oil strainer to oil pump.

4.

Install oil pan (lower). Refer to 

EM-41, "Exploded View (AWD)"

.

5.

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

EM-41, "Exploded View (AWD)"

.

6.

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

AWD : 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-7, "Inspection"

.

2.

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

3.

Stop engine and wait for 10 minutes.

4.

Check the engine oil level again. Refer to 

LU-7, "Inspection"

.

: Engine front

M8 

×

 25 mm (0.98 in)

: 3, 6, 8, 9, 11, 12, 14, 15, 16

M8 

×

 50 mm (1.97 in)

: 2

M8 

×

 90 mm (3.54 in)

: 1, 4, 5, 7, 10, 13

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