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Home >> Subaru >> 2007 >> Impreza Outback Sport, Standard >> Repair and Diagnosis >> Maintenance >> Procedures >> General Information >> Periodic Maintenance Procedures >> Engine Oil >> Replacement

Engine Oil: Replacement

  1. Open the engine oil filter cap for quick draining of engine oil.
    Fig 1: Identifying Oil Level Gauge And Oil Filler Gap
    G05332593Courtesy of SUBARU OF AMERICA, INC.
  2. Drain engine oil by loosening the engine oil drain plug.
    CAUTION: If engine oil adheres to the exhaust pipe, wipe it off completely.
    Fig 2: Identifying Engine Oil Drain Plug
    G04997227Courtesy of SUBARU OF AMERICA, INC.
  3. Replace the drain plug gasket.
  4. Tighten the engine oil drain plug after draining engine oil.

    Tightening torque: 

    44 N.m (4.5 kgf-m, 32.5 ft-lb) 

    Fig 3: Identifying Engine Oil Drain Plug
    G04997227Courtesy of SUBARU OF AMERICA, INC.
  5. Using engine oil of proper quality and viscosity, fill engine oil through the oil filler duct to the upper level on level gauge. Place the vehicle on a level surface when checking oil level.

    Recommended oil: 

    Those with an API standard SM "Energy Conserving" logo. 

    ILSAC standard GF-4 "starburst mark" displayed on container top. 

    Engine oil capacity: 

    Upper level 

    Approx. 4.0l (4.2 US qt, 3.5 Imp qt) 

    Lower level 

    Approx. 3.0 l (3.2 US qt, 2.6 lmp qt) 

    Fig 4: Viscosity And Temperature Chart
    G05332596Courtesy of SUBARU OF AMERICA, INC.
    1. SAE viscosity No. and applicable temperature
    2. Recommended

    The proper viscosity helps vehicle get good cold and hot starting by reducing viscous friction and thus increasing cranking speed.

    NOTE:
    • When replenishing oil, it does not matter if the oil to be added is a different brand from that in the engine; however, use oil having the API standard and SAE viscosity No. designated by SUBARU.
    • If vehicle is used in desert areas with very high temperatures or for other heavy duty applications, the following viscosity oils may be used:

    API standard: SM or SL

    ILSAC standard: GF-4

    SAE Viscosity No.: 30, 40, 10W-50, 20W-40, 20W-50

  6. Close the engine oil filler cap.
  7. Start the engine and warm it up for a time.
  8. Stop the engine to inspect the oil level again. <Ref. to INSPECTION , Engine Oil.>