Subaru WRX Manuals 2024 WRX Owner’s Manual | Page 439

Cooling System 431
& Engine Coolant
! Checking the coolant level s11af02
s11af0201
1 Normal operating range
If the radiator cooling fan does not operate even when the engine coolant temperature gauge exceeds the normal operating range , the cooling fan circuit may be defective . Refer to “ Engine Coolant Temperature Gauge ” FP150 .
Check the fuse and replace it if necessary . Refer to “ Fuses ” FP454 . If the fuse is not blown , have the cooling system checked by your SUBARU dealer .
If the frequent addition of coolant is necessary between vehicle service visits , it is recommended that you have your vehicle inspected by an authorized SUBARU dealer to check for leaks , damage , or looseness .
1 “ FULL ” level mark 2 “ LOW ” level mark
Check the coolant level at each fuel stop .
1 . Check the coolant level on the outside of the reservoir while the engine is cool .
2 . If the level is close to or lower than the “ LOW ” level mark , add coolant up to the “ FULL ” level mark . If the reserve tank is empty , remove the radiator cap and refill coolant up to just below the filler neck as shown in the following illustration .
1 Fill up to this level .
3 . After refilling the reserve tank and the radiator , reinstall the cap and check that the rubber gaskets inside the radiator cap are in the proper position .
Maintenance and Service
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