Acura 2003 NSX - Owner's Manual - Manual (Page 194)

Turn off the engine. Check the
expansion tank and, if needed, add
coolant to bring it up to the MAX
line. Tighten the expansion tank
cap. Reinstall the cover on the car’s
underside.
Fill the expansion tank to about 1
in. (2.5 cm) above the MAX line.
Put the cap back on the tank, only
tighten it to the first stop. Start the
engine and let it run until it warms
up (the radiator cooling fan comes
on at least twice).
Pour Honda All Season
Antifreeze/Coolant Type 2 into
the expansion tank. This coolant is
a mixture of 50 percent antifreeze
and 50 percent water. Premixing is
not required.
The cooling system capacity is:
Coolant will go through the tank
into the system. When the tank is
full, go to each of the four
bleeders. Close each bleeder when
coolant comes out of it in a steady
stream with no bubbles. You may
need to refill the expansion tank.
12.
13.
14.
Cooling System
Maintenance 191
EXPANSION TANK CAP
3.17 US gal (12.0 )
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