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Home >> Nissan-Datsun >> 2011 >> Sentra S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Lubrication System (Qr25DE)) >> Service Information >> Engine Oil >> Inspection >> Oil Pressure Check

Oil Pressure Check

WARNING: This page is about a different variant/trim than selected.
WARNING:
  • Be careful not to burn yourself, as engine oil may be hot.
  • For M/T models, put the shift selector in the Neutral "N" position and apply the parking brake securely.
  • For CVT models, put the shift selector in the Park "P" position.
  1. Check engine oil level.
  2. Remove engine under cover. Refer to "REMOVAL AND INSTALLATION ".
  3. Disconnect harness connector at oil pressure sensor, and remove oil pressure sensor using a suitable tool.
    CAUTION: Do not drop or shock oil pressure sensor.
  4. Install oil pressure gauge and hose.

    Tool numbers : ST25051001 (J-25695-1) 

    : ST25052000 (J-25695-2) 

    Fig 1: Identifying Oil Pressure Gauge & Hose
    G04899908Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Start engine and warm it up to normal operating temperature.
  6. Check oil pressure with engine running under no-load. Refer to "OIL PRESSURE ".
    NOTE: When engine oil temperature is low, engine oil pressure becomes high.

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

  7. 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 Silicone Sealant or equivalent.  Refer to "RECOMMENDED CHEMICAL PRODUCT AND SEALANT ".

      Oil pressure sensor : 14.7 N.m (1.5 kg-m, 11 ft-lb) 

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