Infiniti FX35, FX50 (S51). Manual — part 1358
OIL COOLER
LU-29
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REMOVAL AND INSTALLATION
OIL COOLER
Exploded View
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Removal and Installation
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REMOVAL
WARNING:
Be careful not to get burned, as engine oil and engine coolant may be hot.
1.
Remove engine undercover with power tool.
2.
Drain engine coolant from radiator. Refer to
.
3.
Remove the following parts:
• Engine room cover: Refer to
• Reservoir tank: Refer to
.
• Alternator, water pump and A/C compressor belt: Refer to
.
4.
Remove water suction pipe mounting bolt. Refer to
5.
Disconnect water hoses and water pipe.
• When removing oil cooler only, pinch water hoses near oil cooler to prevent engine coolant from spilling
out.
• Remaining engine coolant in piping will come out. Use a tray to collect it.
CAUTION:
1.
Clamp
2.
Water pipe
3.
Water hose
4.
Oil filter
5.
Connector bolt
6.
Oil cooler
7.
Relief valve
8.
Water hose
A.
To water inlet
B.
To thermostat housing
C.
: Engine front
for symbols in the figure.
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LU-30
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OIL COOLER
• Perform this step when the engine is cold.
• Never spill engine coolant on drive belts.
6.
Remove oil filter. Refer to
LU-28, "Removal and Installation"
7.
Loosen connector bolt, and remove oil cooler.
CAUTION:
Never spill engine oil on rubber parts such as drive belts and engine mounting insulator.
INSTALLATION
Note the following items, and install in the reverse order of removal.
• Check that no foreign objects are adhering to the installation planes of oil filter and oil pan (upper).
• Align cutout (A) on oil cooler (1) with protrusion (B) on oil pan
(upper) 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 12 mm (0.47 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 15 minutes.
4.
Check the engine oil level and the engine coolant level again. Refer to
and
: Engine front
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OIL PUMP
LU-31
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UNIT DISASSEMBLY AND ASSEMBLY
OIL PUMP
Exploded View
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Disassembly and Assembly
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DISASSEMBLY
1.
Remove oil pan (lower) and oil strainer. Refer to
2.
Remove oil pan (upper). Refer to
.
3.
Remove front cover. Refer to
.
4.
Remove oil pump drive chain.
• Instruction for oil pump drive chain. Refer to
EM-213, "Disassembly and Assembly"
5.
Remove oil pump.
CAUTION:
Never disassembly oil pump.
ASSEMBLY
Assembly is the reverse order of disassembly.
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 leakage of engine oil.
3.
Stop the engine and wait for 15 minutes.
1.
Oil pump drive chain
2.
Oil pump sprocket (oil pump side)
3.
Oil strainer
4.
Gasket
5.
Oil pump
Refer to
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LU-32
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OIL PUMP
4.
Check the engine oil level and adjust the level. Refer to
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