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Home >> Nissan-Datsun >> 2003 >> Pathfinder SE, RWD >> Repair and Diagnosis >> Engine Mechanical >> Lubrication System >> Engine Lubrication System >> Oil Pressure Check

Oil Pressure Check

WARNING:
  • Be careful not to burn yourself, as the engine and oil may be hot.
  • Oil pressure check should be done in "Neutral position" (M/T) or "Parking position" (A/T).
  1. Check oil level.
  2. Disconnect oil pressure switch harness connector.
    Fig 1: Locating Oil Pressure Switch (A/T)
    G02032404Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Locating Oil Pressure Switch (M/T)
    G02032405Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Remove oil pressure switch using a deep socket. (Commercial service tool)
  4. Install pressure gauge.
    Fig 3: Identifying Oil Pressure Gauge
    G02032406Courtesy 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.
    Fig 4: Oil Pressure Chart
    G02032403Courtesy of NISSAN MOTOR CO., U.S.A.

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

  7. After the inspections, install the oil pressure switch as follows.
    1. Remove the old sealant adhering to switch and engine.
    2. Apply Genuine RTV silicone sealant or equivalent to the thread and tighten. Refer to RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS .

      : 13 - 17 N.m (1.25 - 1.75 kg-m, 9 - 12 ft-lb)