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
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1.
Install drain plug with new washer. Refer to
.
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
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
.
Tightening torque
: Refer to
Engine oil capacity
: Refer to
OIL FILTER
LU-9
< ON-VEHICLE MAINTENANCE >
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OIL FILTER
Removal and Installation
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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
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INSPECTION AFTER INSTALLATION
1.
Check the engine oil level. Refer to
.
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
.
: 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
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Removal and Installation
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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
.
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.
: Engine front
for symbols in the figure.
PBIC5238E
OIL COOLER
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< ON-VEHICLE REPAIR >
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• 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
.
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
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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
.
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
and
1
: Oil cooler
A
: Engine right side
B
: Cutout
C
: Protrusion
: Engine front
PBIC5239E
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