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Home >> Subaru >> 2017 >> Legacy 3.6R Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical (H4DO)) >> Engine Oil Pressure >> Inspection

Engine Oil Pressure: Inspection

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  1. Disconnect the ground terminal from battery sensor. Ref. to BATTERY , NOTE, Repair Contents.
  2. Remove the oil pressure switch. Ref. to REMOVAL , Oil Pressure Switch.
  3. Install the oil pressure gauge to the installation area for the oil pressure switch of the chain cover.
    Fig 1: Identifying Oil Pressure Gauge
    G10262498Courtesy of SUBARU OF AMERICA, INC.
  4. Connect the ground terminal to battery sensor. Ref. to BATTERY , NOTE, Repair Contents.
  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. Ref. 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. Ref. 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 r/min) 

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

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