Nissan Sentra manuals

Nissan Sentra Service Manual: Engine oil

Inspection

Engine oil level

Note:

Before starting engine, put vehicle horizontally and check the engine oil level. If engine is already started, stop it and allow 10 minutes before checking.

  1. Pull out oil level gauge and wipe it clean.
  2. Insert oil level gauge and check that the engine oil level is within the range (A) shown.
  3. If engine oil is out of range, adjust it.

ENGINE OIL APPEARANCE


ENGINE OIL APPEARANCE

ENGINE OIL LEAKAGE

Check for engine oil leaks around the following areas.

OIL PRESSURE CHECK

WARNING:

  1. Check engine oil level.
  2. Disconnect harness connector at oil pressure sensor (1), and remove oil pressure sensor using a suitable tool.

(2) : Starter motor

CAUTION:

Do not drop or shock oil pressure sensor.


  1. Install Tools (A) and (B).

Tool number (A) : ST25051001 (J-25695-1)

Tool number (B) : ST25052000 (J-25695-2)


  1. Start engine and warm it up to normal operating temperature.
  2. Check engine oil pressure with engine running under no-load.

NOTE:

When engine oil temperature is low, engine oil pressure becomes high.

Engine oil pressure : Refer to LU-17, "Oil Pressure".

CAUTION:

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

  1. After the inspections, install oil pressure sensor as follows:
  1. Remove old liquid gasket adhering to oil pressure sensor and engine.
  2. Apply liquid gasket and tighten oil pressure sensor to specification.

    Use Genuine RTV Silicon Sealant or equivalent.

Tightening torque : Refer to EM-94, "Exploded View".

  1. Check engine oil level.
  2. After warming up engine, check that there are no leaks of engine oil with engine running.

Draining

WARNING:

  1. Warm up the engine, and check for engine oil leaks from engine components. Refer to LU-7, "Inspection".
  2. Stop the engine and wait for 10 minutes.
  3. Loosen oil filler cap.
  4. Remove drain plug and then drain engine oil.

Refilling

  1. Install drain plug with new drain plug washer. Refer to EM-33, "Exploded View".

CAUTION:

Be sure to clean drain plug and install with new drain plug washer.

Tightening torque : 34.3 NВ·m (3.5 kg-m, 25 ft-lb).

  1. Refill with new engine oil.

CAUTION:

  1. Warm up engine and check area around drain plug and oil filter for engine oil leaks.
  2. Stop engine and wait for 10 minutes.
  3. Check the engine oil level. Refer to LU-7, "Inspection".
Periodic maintenance
...

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