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Nissan Pathfinder. Manual - part 838

LU-8

< PERIODIC MAINTENANCE >

ENGINE OIL

PERIODIC MAINTENANCE

ENGINE OIL

Inspection

INFOID:0000000009177965

ENGINE OIL LEVEL

NOTE:

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

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

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

the dipstick.

• If engine oil level is out of range, add oil as necessary until the dip-

stick 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.

ENGINE OIL LEAKS

Check for engine oil leaks around the following areas:

• Oil pan

• Oil pan drain plug

• Oil pressure switch

• Oil filter

• Oil cooler

• Intake valve timing control cover

• Front timing chain cover

• Mating surface between cylinder block and cylinder head

• Mating surface between cylinder head and rocker cover

• Crank oil seal (front and rear)

ENGINE 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 engine oil level. Refer to OIL LEVEL.
2. Remove engine under cover. Refer to

EXT-16, "Exploded View"

3. Disconnect engine 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 engine 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-22, "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-16, "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 engine 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 engine oil leaks.
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 engine oil temperature and drain time. Use the specifications

for reference only. Always use the dipstick to determine when the proper amount of engine oil is

in the engine.

7. Warm up the engine and check around the oil pan drain plug and oil filter for engine 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"

Engine oil specification and
viscosity

: Refer to

MA-15, "FOR USA AND CANADA :

Engine Oil Recommendation"

(United States

and Canada) or

MA-16, "FOR MEXICO : Flu-

ids and Lubricants"