Engine Coolant - Acura 2004 NSX Owner's Manual

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Removing the expansion tank
cap while the engine is hot can
cause the coolant to spray out,
seriously scalding you.
Always let the engine and
radiator cool down before
removing the expansion tank
cap.
1. When the radiator and engine are
cool, relieve any pressure in the
cooling system by turning the
expansion tank cap
counterclockwise, without
pressing down.
2. Remove the expansion tank cap by
pushing down and turning
counterclockwise.

Engine Coolant

Pour coolant into the expansion
3.
tank. Fill it to the MAX line. Put
the cap back on the expansion
tank.
Pour the coolant slowly and
carefully so you do not spill. Clean
up any spill immediately; it could
damage components in the engine
compartment.
Do not add any rust inhibitors or
other additives to your vehicle's
cooling system. They may not be
compatible with the coolant or
engine components.
Maintenance
147