Honda 1998 Prelude Owner's Manual page 180

FILLER NECK
Fill up to here
7. Pour coolant into the radiator up
to the base of the filler neck.
BLEEDER BOLT
8. Loosen the bleeder bolt on top of
the engine. Tighten it again when
coolant comes out in a steady
stream with no bubbles.
9. Refill the radiator to the base of
the filler neck. Start the engine
and let it run until it warms up (the
radiator cooling fan comes on at
least twice).
Cooling System
RESERVE TANK
10. Turn off the engine. Check the
level in the radiator, add coolant if
needed. Install the radiator cap,
and tighten it fully.
11. Fill the reserve tank to the MAX
mark. Install the reserve tank cap.
Maintenance