Honda Civic Sedan 1993 Owner's Manual page 125

1. Slide the heater temperature
control lever to maximum heat.
Open the hood. Make sure the
engine and radiator are cool to
the touch.
2. Remove the radiator cap.
DRAIN
PLUG
DRAIN
BOLT
3. Loosen the drain plug on the
bottom of the radiator. The
coolant will drain through the
splash guard. Remove the drain
bolt from the engine block.
Cooling System
RESERVE
RESERVE TANK
TANK CAP
HOLDER
4. Remove the reserve tank from
its holder by pulling it straight up.
Drain the coolant, then put the
tank back in its holder.
5. When the coolant stops draining,
tighten the drain plug in the
bottom of the radiator. Apply
non-hardening sealant to the
drain bolt threads and reinstall
the bolt in the engine block.
Tighten it securely.
CONTINUED
Maintenance