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Nissan Maxima. Manual - part 829

LUBRICATION SYSTEM

LU-7

< SYSTEM DESCRIPTION >

Schematic

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JPBIA1775GB

LU-8

< PERIODIC MAINTENANCE >

ENGINE OIL

PERIODIC MAINTENANCE

ENGINE OIL

Inspection

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OIL LEVEL

NOTE:

• Before starting the engine, check the oil level. If the engine is

already started, stop it and allow 10 minutes before checking.

• Check that the oil level is within the range as indicated on the dip-

stick.

• If it is out of range, add oil as necessary until the dipstick indicates

the correct level.

ENGINE OIL APPEARANCE

• Check engine oil for white milky appearance 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

• Oil cooler

• IVT cover

• Front cover

• Mating surface between cylinder block and cylinder head

• Mating surface between cylinder head and rocker cover

• Crank oil seal (front and rear)

OIL PRESSURE CHECK

WARNING:

• Be careful not to burn yourself, as engine oil may be hot.

• Put the CVT shift selector in the Park “P” position.
1. Check the oil level. Refer to OIL LEVEL.
2. Remove engine under cover. Refer to

EXT-15, "Exploded View"

3. Disconnect oil pressure switch harness connector at the oil

pressure switch. Remove oil pressure switch using suitable tool

and install Tools.

CAUTION:

Do not drop or shock oil pressure switch.

4. Start the engine and warm it up to normal operating temperature.
5. Check oil pressure with engine running under no-load, using Tool.

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

JMA122D

Tool numbers

: ST25051001 (J-25695-1)
: ST25052000 (J-25695-2)

WBIA0571E

ENGINE OIL

LU-9

< PERIODIC MAINTENANCE >

6. After the inspections, install the oil pressure switch using suitable tool as follows:
a. Remove the old sealant adhering to oil pressure switch and engine.
b. Apply thread sealant and tighten the oil pressure switch to specification.

Use Genuine High Performance Thread Sealant, or equivalent. Refer to

GI-21, "Recommended

Chemical Products and Sealants"

c. After warming up engine, make sure there are no engine oil leaks.
7. Install engine under cover. Refer to

EXT-15, "Exploded View"

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. 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 with a new washer.

• The refill capacity depends on the oil temperature and drain time. Use the specifications for ref-

erence 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 oil pan drain plug and oil filter for oil leaks.
8. Stop engine and wait for 10 minutes.
9. Check the engine oil level using the dipstick.

CAUTION:

Do not overfill the engine with engine oil.

Oil pressure switch :

EM-36, "Exploded View"

Oil specification and viscosity : Refer to

MA-15, "FOR USA AND CANADA :

Engine Oil Recommendation"

MA-17,

"FOR MEXICO : Engine Oil Recommenda-
tion"

Oil pan drain plug

: 34.3 N·m (3.5 kg-m, 25 ft-lb)