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Home >> Subaru >> 2013 >> Legacy Premium, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Engine Cooling System (H4DOTC)) >> Engine Coolant >> Replacement >> Filling Of Engine Coolant

Filling Of Engine Coolant

WARNING: This page is about a different car, the 2013 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
  1. Pour cooling system conditioner through the filler neck of coolant filler tank.

    Cooling system protective agent: 

    Refer to "SPECIFICATION" for cooling system protective agent.< Refer to  SPECIFICATION  , General Description. > 

  2. Fill the engine coolant into coolant filler tank up to the filler neck position.

    Recommended engine coolant: 

    Refer to "SPECIFICATION" for recommended engine coolant.< Refer to  SPECIFICATION  , General Description. > 

    Engine coolant level: 

    Refer to "SPECIFICATION" for engine coolant level.< Refer to  SPECIFICATION  , General Description. > 

    Engine coolant concentration: 

    Refer to "ADJUSTMENT" for the recommended engine coolant concentration.< Refer to  ADJUSTMENT  , Engine Coolant. > 

    CAUTION: Do not confuse the cap of coolant filler tank and cap of radiator.
    NOTE:
    • When pouring the engine coolant, the radiator side cap must not be removed.
    • The SUBARU Super Coolant contains antifreeze and anti-rust agents, and is especially made for Subaru engines with an aluminum cylinder block. Be sure to use SUBARU Super Coolant, since other coolant may cause corrosion.
  3. Fill engine coolant into the reservoir tank up to "FULL" level.
    Fig 1: Identifying Engine Coolant Reservoir Tank Level
    G05955373Courtesy of SUBARU OF AMERICA, INC.
  4. Close the coolant filler tank cap, and start the engine. Race 5 to 6 times at 3, 000 rpm or less, then stop the engine. (Complete this operation within 40 seconds.)
  5. Wait for one minute after the engine stops, then open the coolant filler tank cap. If the engine coolant level drops, add engine coolant into coolant filler tank up to the filler neck position.
  6. Perform the procedures 4) and 5) again.
  7. Install the coolant filler tank cap and reservoir tank cap properly.
  8. Start the engine and operate the heater at maximum hot position and the blower speed setting to "LO".
  9. Run the engine at 2, 000 rpm or less until radiator fan starts and stops.
    NOTE: Be careful with the engine coolant temperature to prevent overheating.
  10. Stop the engine and wait until the engine coolant temperature lowers to 30°C (86°F) or less.
  11. Open the coolant filler tank cap. If the engine coolant level drops, add engine coolant into the coolant filler tank up to the filler neck position and the reservoir tank to "FULL" level.
  12. Install the coolant filler tank cap and reservoir tank cap properly.
  13. Set the heater setting to maximum hot position and the blower speed setting to "LO" and start the engine. Perform racing at 3, 000 rpm or less. If the flowing sound is heard from the heater core, repeat the procedures from step  9).
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