Cooling system – Acura 2004 RL - Owner's Manual User Manual
Page 261
Loosen the drain plug on the
bottom of the radiator. The
coolant will come out through the
hole in the splash cover.
Turn the ignition ON (II). Turn
the heater temperature control
dial to maximum heat (climate
control to 90°F/32°C). Turn off
the ignition. Open the hood. Make
sure the engine and radiator are
cool to the touch.
Remove the radiator cap.
The cooling system should be
completely drained and refilled with
new coolant according to the time
and distance recommendations in
the maintenance schedule. Only use
Honda All Season Antifreeze/
Coolant Type 2. Use of any non-
Honda coolant or plain water can
result in corrosion and deposits in
the cooling system.
Draining the coolant requires access
to the underside of the vehicle.
Unless you have the tools and
knowledge, you should have this
maintenance done by a skilled
mechanic.
1.
2.
3.
Replacing Engine Coolant
Cooling System
Maintenance
258
DRAIN PLUG
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