Nissan Altima L32. Manual - part 916

LU-10

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ENGINE OIL

If difference is extreme, check oil passage and oil pump for oil leaks.

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-

ucts and Sealants"

.

c.

After warming up engine, make sure there are no leaks of engine oil with engine running.

Changing Engine Oil

INFOID:0000000004202498

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. Warm up the engine and check for oil leaks from the engine.
3. Stop engine 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.

CAUTION:

• Be sure to clean the oil pan 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. Warm up the engine and check around the drain plug and oil filter for oil leaks.
8. Stop the engine and wait for 10 minutes.
9. Check the oil level using the dipstick.

CAUTION:

Do not overfill the engine oil.

Oil pressure switch 

: Refer to 

LU-15, "Removal and Installation"

.

Oil specification and viscosity

: Refer to 

MA-12, "Engine Oil Recommendation"

Oil pan drain plug

: Refer to 

EM-32, "Removal and Installation"

OIL FILTER

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OIL FILTER

Removal and Installation

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REMOVAL

1. Remove the oil filter using Tool.

WARNING:

• Be careful not to get burned, the engine and engine oil

may be 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. Remove foreign materials adhering to the oil filter installation surface.
2. Apply clean engine oil to the oil seal contact 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 

LU-9

.

5. After warming up the engine, check for any engine oil leaks.

Tool number

: KV10115801 (J-38956)

WBIA0589E

ALC094

SMA010

Oil filter : 18.0 N·m (1.8 kg-m, 13 ft-lb)

SMA229B

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OIL PUMP

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-52, "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

OIL PUMP

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2. Measure clearance with feeler gauge and straightedge as fol-

lows:

• Side clearance between inner rotor and oil pump body (posi-

tion 3).

• Side clearance between outer rotor and oil pump body (posi-

tion 4).

3. Calculate the clearance between inner rotor and oil pump body

as follows:

• Measure the outer diameter of protruded portion of inner rotor

(Position 5).

• Measure the inner diameter of oil pump body with inside

micrometer (Position 6).

• (Clearance) = (Inner diameter of oil pump body) – (Outer

diameter of inner rotor).

4. Calculate regulator valve clearance as follows:

• (Clearance) = D1(Valve hole diameter) – D2 (Outer diameter

of valve)

CAUTION:

Coat regulator valve with engine oil.

Check that it falls smoothly into the valve hole by its own

weight.

ASSEMBLY

Assembly is in the reverse order of disassembly.

Standard

: 0.030 - 0.070 mm (0.0012 - 0.0028 in)

Standard

: 0.060 - 0.110 mm (0.0024 - 0.0043 in)

PBIC0252E

PBIC0253E

Standard

: 0.035 - 0.070 mm (0.0014 - 0.0028 in)

PBIC0254E

Standard

: 0.040 - 0.097 mm (0.0016 - 0.0038 in)

KBIA0043E