Pilot V6-3.5L (2004)
Coolant: Service and Repair
Replacement
1. Turn the ignition switch ON (II). Set the climate control system to 90°F (32°C) or heater controls to full hot, then turn the ignition switch OFF.
Make sure the engine and radiator are cool to the touch.
2. Remove the radiator cap.
3. Loosen the drain plug (A), and drain the coolant.
4. Install a rubber hose (A) on the drain bolt (B) located at the rear of the cylinder block, then loosen the drain bolt.
5. When the coolant stops draining, tighten the drain bolt.
6. Tighten the radiator drain plug securely.
7. Remove, drain, and reinstall the coolant reservoir.
8. Pour Honda All Season Antifreeze/Coolant Type 2 into the radiator up to the base of the filler neck.
NOTE:
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Always use Honda All Season Antifreeze/Coolant Type 2. Using a non-Honda coolant can result in corrosion, causing the cooling system to
malfunction or fail.
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Honda All Season Antifreeze/Coolant Type 2 is a mixture of 50% antifreeze and 50% water. Premixing is not required.
Engine Coolant Refill Capacity [including the reservoir capacity of 0.8 L (0.8 US qt.)]: 7.0 L (6.6 US qt.)
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 climate control or heater control panel to maximum cool. Start the engine. Hold the engine speed at 1,500 rpm for 5 minutes, then turn off
the engine.