Nissan Murano Z51. Manual — part 1000
OIL COOLER
LU-11
< REMOVAL AND INSTALLATION >
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REMOVAL AND INSTALLATION
OIL COOLER
Exploded View
INFOID:0000000005515889
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 remove oil cooler only, step 2 is unnecessary.
1.
Remove splash guard (RH). Refer to
EXT-24, "FENDER PROTECTOR : Exploded View"
.
2.
Drain engine coolant from radiator and cylinder block. Refer to
NOTE:
Perform this step when removing water pipes.
3.
Remove oil filter. Refer to
LU-10, "Removal and Installation"
CAUTION:
Never spill engine oil on drive belt.
4.
Disconnect water hoses from oil cooler.
1.
Connector bolt
2.
Copper gasket
3.
Water drain plug
4.
Water pipe
5.
Bracket
6.
Clamp
7.
Water hose
8.
Relief valve
9.
Oil cooler
10.
Connector bolt
11.
Oil filter
12.
Water hose
13.
Water pipe
14.
Water hose
A.
To water connector
B.
Refer to
: Engine front
for symbols in the figure.
JPBIA1679GB
LU-12
< REMOVAL AND INSTALLATION >
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.
• Never spill engine coolant on drive belt.
5.
Remove connector bolt, and remove oil cooler.
CAUTION:
Never spill engine oil to rubber parts such as drive belt.
6.
Remove water pipes if necessary.
INSTALLATION
Note the following, and install in the reverse order of removal.
• Check that no foreign objects are adhering to the installation surfaces of oil cooler and oil pan (upper).
• Align cutout (B) on oil cooler (2) with protrusion (A) on oil pan
(upper) side, and tighten connector bolt (1).
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
Inspect relief valve for movement, cracks and breaks by pushing the 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.
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 leakage 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
JPBIA1680ZZ
OIL PUMP
LU-13
< UNIT DISASSEMBLY AND ASSEMBLY >
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UNIT DISASSEMBLY AND ASSEMBLY
OIL PUMP
Exploded View
INFOID:0000000005515892
Removal and Installation
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REMOVAL
1.
Remove oil pan (lower and upper) and oil strainer. Refer to
.
2.
Remove front timing chain case and timing chain (primary). Refer to
.
3.
Remove oil pump assembly.
INSTALLATION
Note the following, and install in the reverse order of removal.
• When installing, align crankshaft flat faces with oil pump inner rotor flat faces.
Disassembly and Assembly
INFOID:0000000005515894
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.
ASSEMBLY
Note the following, and assemble in the reverse order of disassembly.
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
Refer to
JPBIA1681GB
LU-14
< UNIT DISASSEMBLY AND ASSEMBLY >
OIL PUMP
• Install oil pump inner rotor with the groove (C) faced to oil pump
cover side (B).
Inspection
INFOID:0000000005515895
INSPECTION AFTER DISASSEMBLY
Oil Pump Clearance
• Measure the clearance with feeler gauge (C).
- Clearance between oil pump outer rotor and oil pump body. [Posi-
tion (B)]
- Tip clearance between oil pump inner rotor and oil pump outer
rotor. [Position (A)]
• Measure the clearance with feeler gauge and straightedge (A).
- Side clearance between oil pump inner rotor and oil pump body.
[Position (C)]
- Side clearance between oil pump outer rotor and oil pump body.
[Position (B)]
• Calculate the clearance between oil pump inner rotor and oil pump body as follows:
OIL PUMP BODY INNER DIAMETER
- Measure the inner diameter of oil pump body with inside microme-
ter. [Position (A)]
OIL PUMP INNER ROTOR OUTER DIAMETER
- Measure the outer diameter of protruded portion of oil pump inner
rotor (1) with micrometer. [Position (B)]
OIL PUMP INNER ROTOR TO OIL PUMP BODY CLEARANCE
- (Clearance) = (Oil pump body inner diameter) – (Oil pump inner rotor outer diameter)
A : Oil pump body side
JPBIA0084ZZ
Standard
: Refer to
.
Standard
: Refer to
.
JPBIA0078ZZ
Standard
: Refer to
.
Standard
: Refer to
.
JPBIA0079ZZ
JPBIA0080ZZ
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