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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 372 (Engine Lubrication System) >> Engine Oil >> Inspection >> Oil Pressure Check

Oil Pressure Check

WARNING: This page is about a different car, the 2004 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
  • Be careful not to burn yourself, as engine oil may be hot.
  • Put the selector lever in the Park "P" position.
  1. Check the engine oil level. Refer to OIL LEVEL .
  2. Disconnect the oil pressure switch harness connector.
  3. Remove oil pressure switch.
  4. Install Tools.
    1. Tool number : ST25051001 (J25695-1) 
    2. :ST25052000 (J25695-2) 
    Fig 1: Locating Oil Pressure Switch
    G00343646Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Start the engine and warm it up to normal operating temperature.
  6. Check the engine oil pressure with engine running under no-load.
    Fig 2: Engine Oil Pressure Specification Chart
    G00343647Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION: If the difference is extreme, check the oil passages and oil pump for leaks and blockages.
  7. After the inspections, install the oil pressure switch as follows:
    1. Remove the old sealant adhering to oil pressure switch and engine.
    1. Tool number : WS3993000 ( - ) 

    Apply thread sealant and tighten the oil pressure switch to specification using Tool.

    • Use Genuine High Performance Thread Sealant, or equivalent.
    1. Oil pressure switch : 14.8 N.m (1.5 kg-m, 11 ft-lb) 
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