Infiniti G37 Coupe. Manual - part 885

LU-8

< ON-VEHICLE MAINTENANCE >

ENGINE OIL

3.

Loosen oil filler cap.

4.

Remove undercover with power tool. 

5.

Remove drain plug and then drain engine oil.

Refilling

INFOID:0000000001547651

1.

Install drain plug with new washer. Refer to 

EM-42, "Exploded View"

.

CAUTION:

Be sure to clean drain plug and install with new washer.

2.

Refill with new engine oil.
Engine oil specification and viscosity: Refer to 

LU-8, "Refilling"

CAUTION:

• When filling engine oil, do not pull out oil level gauge.
• The refill capacity depends on the engine oil temperature and drain time. Use these specifica-

tions for reference only.

• Always use oil level gauge to determine the proper amount of engine oil in engine.

3.

Warm up the engine and check area around drain plug and oil filter for engine oil leakage.

4.

Stop the engine and wait for 10 minutes.

5.

Check the engine oil level. Refer to 

LU-6, "Inspection"

.

Tightening torque

: Refer to 

EM-42, "Exploded View"

.

Engine oil capacity

: Refer to 

LU-15, "Periodical Maintenance Specification"

.

OIL FILTER

LU-9

< ON-VEHICLE MAINTENANCE >

C

D

E

F

G

H

I

J

K

L

M

A

LU

N

P

O

OIL FILTER

Removal and Installation

INFOID:0000000001547652

REMOVAL

CAUTION:

• Oil filter is provided with relief valve. Use genuine NISSAN oil filter or equivalent.
• Be careful not to get burned when engine and engine oil may be hot.
• When removing, prepare a shop cloth to absorb any engine oil leakage or spillage.
• Never allow engine oil to adhere to drive belts.
• Completely wipe off any engine oil that adheres to engine and vehicle.

1.

Remove engine undercover with power tool.

2.

Using oil filter wrench [SST: KV10115801 (J38956)] (A), remove
oil filter.

INSTALLATION

1.

Remove foreign materials adhering to oil filter installation surface.

2.

Apply engine oil to the oil seal contact surface of new oil filter.

3.

Screw oil filter manually until it touches the installation surface,
then tighten it by 2/3 turn (A). Or tighten to the specification.

Inspection

INFOID:0000000001547653

INSPECTION AFTER INSTALLATION

1.

Check the engine oil level. Refer to 

LU-6, "Inspection"

.

2.

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

3.

Stop the engine and wait for 10 minutes.

4.

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

LU-6, "Inspection"

.

: Engine front

JPBIA1197ZZ

SMA010

Oil filter:

: 17.7 N·m (1.8 kg-m, 13 ft-lb)

JPBIA0077ZZ

LU-10

< ON-VEHICLE REPAIR >

OIL COOLER

ON-VEHICLE REPAIR

OIL COOLER

Exploded View

INFOID:0000000001547643

Removal and Installation

INFOID:0000000001547644

REMOVAL

WARNING:

Be careful not to get burn yourself, as engine oil and engine coolant may be hot.
NOTE:
When removing oil cooler only, step 2 is unnecessary.

1.

Remove engine undercover with power tool.

2.

Drain engine coolant from radiator and cylinder block. Refer to 

CO-8, "Draining"

 and 

EM-72, "Setting"

.

NOTE:
Perform this step when removing water pipes.

3.

Disconnect water hoses from oil cooler.

1.

Oil cooler

2.

Connector bolt

3.

Oil filter

4.

Clamp

5.

Water hose

6.

Water hose

7.

O-ring

8.

Relief valve

9.

Water pipe

10.

Water hose

11.

Water hose

12.

Water pipe

13.

Heater pipe

A.

Refer to 

LU-9

: Engine front

Refer to 

GI-4, "Components"

 for symbols in the figure.

PBIC5238E

OIL COOLER

LU-11

< ON-VEHICLE REPAIR >

C

D

E

F

G

H

I

J

K

L

M

A

LU

N

P

O

• When removing oil cooler only, pinching water hoses near oil cooler to prevent engine coolant from spill-

ing out.

• Remaining engine coolant in piping will come out. Use a tray to collect it.

CAUTION:

• Perform this step when the engine is cold.
• Never spill engine coolant on drive belts.

4.

Using oil filter wrench [SST: KV10115801 (J38956)], remove oil filter. Refer to 

LU-9, "Removal and Instal-

lation"

.

CAUTION:

Never spill engine oil on drive belts.

5.

Remove connector bolt, and oil cooler.

CAUTION:

Never spill engine oil to rubber parts such as drive belts and engine mounting insulator.

6.

Remove water pipes, as necessary.

INSTALLATION

Note the following, and install in the reverse order of removal.
• Check that no foreign objects are adhering to the installation planes of oil filter and oil cooler bracket.
• Align cutout on oil cooler with protrusion on oil pan side, and

tighten connector bolt.

Inspection

INFOID:0000000001547645

INSPECTION AFTER REMOVAL

Oil Cooler

Check oil cooler for cracks. Check oil cooler for clogging by blowing through engine coolant inlet. If necessary,
replace oil cooler.

Relief Valve

Check relief valve with the following procedure.
• Press steel ball of relief valve using a clean plastic stick. Check that valve moves smoothly and proper

spring repulsion is felt.

• Replace relief valve, if necessary, with the following procedure.
- Remove the relief valve by prying using a screwdriver.

CAUTION:

Be careful not to damage the mounting hole.

- Press in the relief valve until it reaches a depth of 7 mm (0.28 in) from end surface of oil pan (upper) using

approximately 10 mm (0.39 in) diameter drift.

CAUTION:

Carefully press in the relief valve by aligning its mounting hole side with the axle center so as not to
cause deformation.

INSPECTION AFTER INSTALLATION

1.

Check the engine oil level and the engine coolant level and add engine oil and engine coolant. Refer to

LU-6, "Inspection"

 and 

CO-8, "Inspection"

.

2.

Start the engine, and check there is no leaks of engine oil or engine coolant.

3.

Stop the engine and wait for 10 minutes.

4.

Check the engine oil level and the engine coolant level again. Refer to 

LU-6, "Inspection"

 and 

CO-8,

"Inspection"

.

1

: Oil cooler

A

: Engine right side

B

:  Cutout

C

: Protrusion

: Engine front

PBIC5239E