Honda 2004 Odyssey Service Manual page 297

Cooling System
Coolant Replacement (cont'd)
9. Start the engine. Hold the engine speed at 1,500
rpm until it warms up (the radiator fan comes on at
least twice). Make sure the thermostat is open.
10. Turn off the engine. Check the level in the radiator,
and add Honda All Season Antifreeze/Coolant Type
2, if needed.
11. Set the temperature control dial to minimum. Start
the engine. Hold the engine speed at 1,500 rpm for
5 minutes, then turn off the engine.
12. Check the level in the radiator, and add Honda All
Season Antifreeze/Coolant Type 2, if needed.
13. Set the temperature control dial to maximum. Start
the engine. Hold the engine speed at 1,500 rpm for
5 minutes, then turn off the engine.
14. Check the level in the radiator, and add Honda All
Season Antifreeze/Coolant Type 2, if needed.
15. Set the temperature control dial to minimum. Start
the engine. Hold the engine speed at 1,500 rpm for
3 minutes, then turn off the engine.
16. Check the level in the radiator, and add Honda All
Season Antifreeze/Coolant Type 2, if needed.
17. Set the temperature control dial to maximum. Start
the engine. Hold the engine speed at 1,500 rpm for
3 minutes, then turn off the engine.
18. Check the level in the radiator, and add Honda All
Season Antifreeze/Coolant Type 2, if needed.
19. Repeat steps 15 through 18 until the coolant level
dose not change in the radiator, then install the
radiator cap loosely.
20. Set the temperature control dial to minimum. Start
the engine. Hold the engine speed at 2,500 rpm for
1 minute.
10-14
21. Set the temperature control dial on the front
heating/cooling control panel to maximum, and
select (Hot) mode on the rear control panel.
Measure the temperature of the air from the rear
floor vent for 2 or 3 minutes.
Make sure the temperature is above the standard
line of the graph shown below. If the temperature is
below the standard line, repeat steps 15 through 18
several more times. Then loosely install the
radiator cap and recheck.
AIR FLOW
TEMPERATURE °F (°C)
22. Make sure you do not hear the sound of water
flowing near the rear heater unit. If you hear water
flowing, repeat steps 15 through 18 several more
times. Then loosely install the radiator cap and
recheck.
23. Fill the reserve tank with Honda All Season
Antifreeze/coolant Type 2 up to the MAX mark on
the tank, then add an extra 0.4 (0.4 US qt) coolant.
STANDARD LINE
INTERIOR
TEMPERATURE °F (°C)