Infiniti FX35 / FX45. Manual — part 825
LU-12
< SERVICE INFORMATION >
[VQ35DE]
OIL COOLER
OIL COOLER
Component
INFOID:0000000001325818
2WD models
PBIC2403E
1.
Oil filter
2.
Connector bolt
3.
Oil cooler
4.
O-ring
5.
Relief valve
6.
Oil pan (upper) right side
7.
Water hose
8.
Water hose
9.
Water pipe
10.
Water hose
OIL COOLER
LU-13
< SERVICE INFORMATION >
[VQ35DE]
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AWD models
Removal and Installation
INFOID:0000000001325819
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 front engine undercover with power tool.
2.
Drain engine coolant from radiator and cylinder block. Refer to
CO-10, "Changing Engine Coolant"
EM-123, "Disassembly and Assembly"
NOTE:
Perform this step when removing water pipes.
3.
Disconnect water hoses from oil cooler.
• 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.
• Do not spill engine coolant on drive belts.
4.
Using oil filter wrench [SST: KV10115801 (J38956)], remove oil filter. Refer to
.
CAUTION:
Do not spill engine oil on drive belts.
5.
Remove connector bolt, and remove oil cooler.
CAUTION:
Do not spill engine oil to rubber parts such as drive belts and engine mounting insulator.
SBIA0584E
1.
Oil filter
2.
Connector bolt
3.
Oil cooler
4.
O-ring
5.
Relief valve
6.
Oil filter bracket
7.
Water hose
8.
Water hose
9.
Water pipe
10.
Water hose
LU-14
< SERVICE INFORMATION >
[VQ35DE]
OIL COOLER
6.
Remove water pipes, as necessary.
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
Inspect relief valve for movement, cracks and breaks by pushing ball. If replacement is necessary, remove
relief valve by prying it out with a suitable tool. Install a new relief valve in place by tapping it.
INSTALLATION
Note the following, and install in the reverse order of removal.
• Make sure that no foreign objects are adhering to the installation planes of oil cooler, oil pan (upper) (2WD
models) or oil cooler bracket (AWD models).
2WD Models
Align cutout on oil cooler with protrusion on oil pan (upper) side, and
tighten connector bolt.
AWD Models
Align cutout on oil cooler with protrusion on oil cooler bracket side,
and tighten connector bolt.
INSPECTION AFTER INSTALLATION
1.
Check the engine oil level and the engine coolant level and add engine oil and engine coolant. Refer to
and 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
SBIA0459E
SBIA0460E
OIL PUMP
LU-15
< SERVICE INFORMATION >
[VQ35DE]
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OIL PUMP
Component
INFOID:0000000001325820
Removal and Installation
INFOID:0000000001325821
REMOVAL
1.
Remove oil pans (lower and upper) and oil strainer. Refer to
EM-30, "Component (2WD Models)"
.
2.
Remove front timing chain case and timing chain (primary). Refer to
3.
Remove oil pump assembly.
INSTALLATION
CAUTION:
Before installation, apply new engine oil to the parts as instructedin the figure.
Note the following, and install in the reverse order of removal.
• When installing, align crankshaft flat faces with oil pump inner rotor flat faces.
INSPECTION AFTER INSTALLATION
1.
Check the engine oil level. Refer to
.
2.
Start the engine, and check there is no leaks of engine oil.
3.
Stop the engine and wait for 10 minutes.
4.
Check the engine oil level and adjust the level. Refer to
Disassembly and Assembly
INFOID:0000000001325822
DISASSEMBLY
1.
Remove oil pump cover.
2.
Remove oil pump inner rotor and oil pump outer rotor from oil pump body.
3.
After removing regulator valve plug, remove regulator valve spring and regulator valve.
INSPECTION AFTER DISASSEMBLY
Oil Pump Clearance
1.
Oil pump body
2.
Oil pump outer rotor
3.
Oil pump inner rotor
4.
Oil pump cover
5.
Regulator valve plug
6.
Regulator valve spring
7.
Regulator valve
SBIA0481E
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