Nissan Altima HL32 Hybrid. Manual — part 789
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ENGINE OIL
ON-VEHICLE MAINTENANCE
ENGINE OIL
Inspection
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OIL LEVEL
• Before turning the Hybrid System ON, check the oil level. If the
Hybrid System is already ON, turn OFF the Hybrid System and
allow 10 minutes before checking.
• Check that the oil level is within the range on the dipstick.
• If it is out of range, add oil as necessary. Refer to
ENGINE OIL APPEARANCE
• Check engine oil for white milky or excessive contamination.
• If engine oil becomes milky, it is highly probable that it is contaminated with engine coolant. Repair or
replace damaged parts.
OIL LEAKAGE
Check for oil leakage around the following areas:
• Oil pan
• Oil pan drain plug
• Oil pressure switch
• Oil filter
• IVTC cover
• Front cover
• Mating surface between cylinder block and cylinder head
• Mating surface between cylinder head and rocker cover
• Crankshaft oil seal
OIL PRESSURE CHECK
WARNING:
• Be careful not to burn yourself, as engine oil may be hot.
• Put the selector lever in the Park “P” position.
1. Check engine oil level. Refer to
.
2. Remove undercover using power tool.
3. Disconnect oil pressure switch harness connector at oil pressure
switch. Remove oil pressure switch and install Tools.
CAUTION:
Do not drop or shock oil pressure switch.
4. Turn Hybrid System ON and warm the engine up to normal operating temperature.
5. Check oil pressure with Hybrid System ON and engine running under no-load, using Tool. Refer to
.
If difference is extreme, check oil passage and oil pump for oil leaks.
NOTE:
PBIC0249E
Tool numbers : ST25051001 (J-25695-1)
: ST25052000 (J-25695-2)
WBIA0571E
ENGINE OIL
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When engine oil temperature is low, engine oil pressure becomes high.
6. After the inspections, install oil pressure switch as follows:
a. Remove old liquid gasket adhering to oil pressure switch and oil cooler.
b. Apply liquid gasket and tighten oil pressure switch to the specification.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-15, "Recommended Chemical Prod-
.
c. With the Hybrid System ON and after warming up engine, make sure there are no engine oil leaks with
engine running.
Changing Engine Oil
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WARNING:
• Be careful not to burn yourself, as the engine oil may be hot.
• Prolonged and repeated contact with used engine oil may cause skin cancer: try to avoid direct skin
contact with used oil. If skin contact is made, wash thoroughly with soap or hand cleaner as soon as
possible.
1. Position the vehicle so it is level on the hoist.
2. Turn Hybrid System ON and warm up the engine, and check for oil leaks from the engine.
3. Turn Hybrid System OFF and wait for 10 minutes.
4. Remove the oil pan drain plug and oil filler cap.
5. Drain the engine oil.
6. Install the oil pan drain plug with a new washer and refill the engine with new engine oil.
• Oil specification and viscosity. Refer to
MA-10, "Fluids and Lubricants"
CAUTION:
• Be sure to clean the drain plug and install using a new washer.
• The refill capacity depends on the oil temperature and drain time. Use these specifications for
reference only. Always use the dipstick to determine when the proper amount of oil is in the
engine.
7. Turn Hybrid System ON and warm up the engine and check the area around the drain plug and oil filter for
oil leakage.
8. Turn the Hybrid System OFF and wait for 10 minutes.
9. Check the oil level using the dipstick.
CAUTION:
Do not overfill the engine oil.
Oil pressure switch torque
: 14.8 N·m (1.5 kg-m, 11 ft-lb)
Oil pan drain plug
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OIL FILTER
OIL FILTER
Removal and Installation
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REMOVAL
1. Remove the oil filter using Tool.
WARNING:
• Be careful not to get burned when the engine and engine
oil are hot.
CAUTION:
• When removing, prepare a shop cloth to absorb any oil
leakage or spillage.
• Do not allow engine oil to adhere to the drive belts.
• Completely wipe off any oil that adheres to the engine and
the vehicle.
• The oil filter has a built in pressure relief valve. Use a gen-
uine NISSAN oil filter or equivalent
INSTALLATION
1. Clean off any foreign materials adhering to the oil filter installation surface.
2. Apply engine oil to the oil seal surface of the new oil filter.
3. Screw the oil filter manually until it touches the installation sur-
face, then tighten it by 2/3 turn. Or tighten to specification below.
4. Check oil level and add engine oil as necessary. Refer to
5. Turn the Hybrid System ON and after warming up the engine, check for oil leaks.
Tool number
: KV10115801 (J-38956)
WBIA0589E
ALC094
SMA010
Oil filter
: 17.6 N·m (1.8 kg-m, 13 ft-lb)
SMA229B
OIL PUMP
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ON-VEHICLE REPAIR
OIL PUMP
Removal and Installation
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The oil pump is part of the front cover, for removal and installation of the oil pump it is necessary to remove
and install the front cover. Refer to
EM-51, "Removal and Installation"
.
Disassembly and Assembly
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CAUTION:
Before assembly, apply new engine oil to the parts as shown above.
DISASSEMBLY
1. Remove the oil pump cover.
2. Remove inner rotor and outer rotor from front cover.
3. After removing regulator plug, remove regulator spring and regulator valve.
INSPECTION AFTER DISASSEMBLY
Measure the clearance of the oil pump parts to check they are within specification.
1. Measure clearance with feeler gauge as follows:
• Clearance between outer rotor and oil pump body (position 1).
• Tip clearance between inner rotor and outer rotor (position 2).
KBIA0153E
1.
Front cover
2.
Outer rotor
3.
Inner rotor
4.
Oil pump cover
5.
Regulator valve
6.
Spring
7.
Regulator plug
Standard
: 0.114 - 0.179 mm (0.0045 - 0.0070 in)
Standard
: 0.170 - 0.220 mm (0.0067 - 0.0087 in)
SLC932A
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