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HOMESERVICE MANUALSSUBARU2005OUTBACK I, STANDARDREPAIR AND DIAGNOSISENGINE MECHANICALTIMING BELTENGINE MECHANICAL (H4SO)ENGINE OIL PRESSUREINSPECTION
2005 Subaru Outback i, Standard

Engine Oil Pressure: Inspection

2005 Subaru Outback i, StandardSECTION Inspection
  1. Disconnect the ground cable from battery.
    Fig 1: Disconnecting Ground Cable From Battery
    G03827920Courtesy of SUBARU OF AMERICA, INC.
  2. Remove the generator. < Ref. to REMOVAL , Generator. >
  3. Disconnect the connector from oil pressure switch.
  4. Remove the oil pressure switch from cylinder block. < Ref. to REMOVAL , Oil Pressure Switch. >
  5. Connect the oil pressure gauge hose to cylinder block.
  6. Connect the battery ground cable to battery.
    Fig 2: Connecting Battery Ground Cable To Battery
    G03827921Courtesy of SUBARU OF AMERICA, INC.
  7. Start the engine, and measure oil pressure.
    Fig 3: Measuring Oil Pressure
    G03827922Courtesy of SUBARU OF AMERICA, INC.

    Oil pressure: 

    Standard 

    88 kPa (0.9 kg/cm 2  , 13 psi) or more at 800 rpm 

    294 kPa (3.0 kg/cm 2  , 43 psi) or more at 5,000 rpm 

    CAUTION:
    • If the oil pressure is out of specification, check oil pump, oil filter and lubrication line. < Ref. to INSPECTION , General Diagnostic Table. >
    • If the oil pressure warning light is turned to ON but oil pressure is within specification, replace the oil pressure switch. < Ref. to INSPECTION , General Diagnostic Table. >
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.