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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 529 (Engine Lubrication System (4.0L)) >> Periodic Maintenance >> Engine Oil >> Inspection >> Oil Pressure Check

Oil Pressure Check

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
  • Be careful not to burn yourself, as the engine and engine oil may be hot.
  • Put the A/T shift selector in the P (Park) position.
  1. Check engine oil level. Refer to Inspection .
  2. Remove front under cover using power tool. Refer to Removal and Installation .
  3. Disconnect the harness connector from the oil pressure switch (B).
    G04894321Courtesy of NISSAN NORTH AMERICA, INC.
    • (A) Oil pan (upper)
    • SYMBOL : Front
  4. Remove the oil pressure switch (B) using suitable tool.
    CAUTION: Do not drop or shock oil pressure switch.
  5. Install Tools.
    G04132432Courtesy of NISSAN NORTH AMERICA, INC.

    Tool numbers

    : ST25051001 (J-25695-1)

    : ST25052000 (J-25695-2)
  6. Start the engine and warm it up to normal operating temperature.
  7. Check the engine oil pressure with engine running under no-load. Refer to Standard and Limit .
    CAUTION: If the difference between the measured pressure and the specification is extreme, check the oil passages and oil pump for leaks or blockages.
  8. After the inspections, install oil pressure switch as follows:
    1. Remove old liquid gasket from oil pressure switch and engine.
    2. Apply liquid gasket and tighten oil pressure switch to the specification.

      Use Genuine RTV Silicone Sealant or equivalent. Refer to Recommended Chemical Products and Sealants .

      Oil pressure switch torque

      : 14.7 N.m (1.5 kg-m, 11 ft-lb)
    3. After warming up engine, make sure there are no oil leaks with the engine running.
  9. Install front under cover. Refer to Removal and Installation .
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