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Engine Oil Pressure: Inspection

WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the ground cable from battery.
    Fig 1: Disconnecting Ground Cable From Battery
    G07669235Courtesy of SUBARU OF AMERICA, INC.
  2. Remove the oil pressure switch. < refer to REMOVAL , Oil Pressure Switch >
  3. Install the oil pressure gauge to the chain cover.
    Fig 2: Installing Oil Pressure Gauge To Chain Cover
    G07669236Courtesy of SUBARU OF AMERICA, INC.
  4. Connect the battery ground terminal.
    Fig 3: Connecting Battery Ground Terminal
    G07669237Courtesy of SUBARU OF AMERICA, INC.
  5. Start the engine, and check the oil pressure.
    NOTE:
    • Standard value is based on an engine oil temperature of 80°C (176°F).
    • If the oil pressure is out of specification, check oil pump, oil filter and lubrication line. < refer to INSPECTION , Engine Lubrication System Trouble in General >
    • If the oil pressure warning light is ON and oil pressure is within standard, check the oil pressure switch. < refer to INSPECTION , Engine Lubrication System Trouble in General >

    Engine oil pressure: 

    Standard 

    50 kPa (0.5 kgf/cm 2  , 7 psi) or more at 600 rpm 

    350 kPa (3.6 kgf/cm 2  , 51 psi) or more at 6, 000 rpm 

  6. After inspection, install the related parts in the reverse order of removal.