Engine Overheating; If Steam Is Coming From The Engine Compartment; If No Steam Is Coming From The Engine Compartment - Subaru Legacy 2021 Owner's Manual

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Engine Overheating

9-6. Engine Overheating
WARNING
Never attempt to remove the radiator
cap until the engine has been shut
off and has fully cooled down. When
the engine is hot, the coolant is
under pressure. Removing the cap
while the engine is still hot could
release a spray of boiling hot cool-
ant, which could burn you very
seriously.
CAUTION
If the engine overheats, the engine
speed or the vehicle speed may be
reduced. Stop the vehicle in a safe
place immediately.
& If Steam Is Coming from the
Engine Compartment
Turn off the engine and get everyone away
from the vehicle until it cools down.
& If No Steam Is Coming from
the Engine Compartment
NOTE
For details about how to check the
coolant level or how to add coolant,
refer to "Engine Coolant" FP495.
1. Keep the engine running at idling
speed.
2. Open the hood to ventilate the engine
compartment. Refer to "Engine Hood"
FP487.
Confirm that the cooling fan is turning. If
the fan is not turning, immediately turn off
the engine and contact your authorized
dealer for repair.
3. After the engine coolant temperature
has dropped, turn off the engine.
If the temperature gauge stays in the
overheated zone, turn off the engine.
4. After the engine has fully cooled down,
check the coolant level in the reserve tank.
If the coolant level is below the "LOW"
mark, add coolant up to the "FULL" mark.
5. If there is no coolant in the reserve
tank, add coolant to the reserve tank. Then
remove the radiator cap and fill the radiator
with coolant.
If you remove the radiator cap from a hot
radiator, first wrap a thick cloth around the
radiator cap, then turn the cap counter-
clockwise slowly without pressing down
until it stops. Release the pressure from
the radiator. After the pressure has been
fully released, remove the cap by pressing
down and turning it.