The 2000 Honda Accord uses Honda Type 2 long-life coolant (HOAT), typically sold as a 50/50 premixed ethylene glycol solution. This is the standard coolant for both the 2.3-liter four-cylinder and the available 3.0-liter V6 engines in that model year.
In practice, you’ll want to confirm with the owner’s manual and purchase a Honda/Acura Type 2 coolant. Avoid mixing in Dex-Cool or universal coolants not specified by Honda. If you’re performing maintenance, ensure you use the correct mix and follow proper flushing and bleeding procedures.
Recommended coolant type
The 2000 Accord requires Honda Type 2 Long-Life Coolant, HOAT-based, usually sold as premixed 50/50. This coolant provides corrosion protection and protects against freezing and boiling in the cooling system. It should be used in both the 2.3L four-cylinder and the (optional) 3.0L V6. Do not use Dex-Cool or other brands unless Honda explicitly approves them.
What to buy
Here is a quick shopping guide for refilling or topping off the cooling system.
Concentrate vs premixed
Premixed Honda Type 2 is the easiest option, already balanced to the 50/50 ratio. Concentrate requires mixing with distilled water to achieve the same ratio.
- Honda Type 2 Long-Life Coolant (or equivalent HOAT coolant approved for Honda/Acura)
- 50/50 premixed coolant with distilled water
- Distilled water for any dilution if you buy concentrate
- Personal protective equipment and a drain pan
Ensure you verify the product is specifically labeled for Honda/Acura Type 2 or Long-Life Coolant, and do not substitute Dex-Cool or universal coolants not approved for Honda.
How to replace or top off coolant
Use the following steps for a drain-and-fill or top-off, noting that the exact steps may vary by engine (2.3L or 3.0L) but the basic method is the same.
- Make sure the engine is cool before opening the cooling system; remove the radiator cap only when cool.
- Place a drain pan under the radiator drain valve; open the valve to drain old coolant completely.
- Flush the system with distilled water if you are performing a full replacement to remove debris and rust.
- Close the drain valve and fill the system with a 50/50 mixture of Honda Type 2 coolant and distilled water (or pour in premixed coolant).
- Run the engine with the heater on high to operating temperature, and bleed any air from the system according to the service manual; recheck the level and top off as needed.
- Properly dispose of the old coolant and tighten all caps; check for leaks after cooling down.
Bleeding procedures can differ; the 2000 Accord may have specific bleed points. If unsure, consult the owner's manual or a qualified mechanic.
Color, mixing and disposal notes
Honda Type 2 coolant is typically yellow/orange or pink depending on batch; the key is to use the Honda-approved Type 2 HOAT coolant. Do not mix types or brands. Always use distilled water for dilution if concentrate is used. Dispose of used coolant at a permitted facility.
Summary
In summary, a 2000 Honda Accord takes Honda Type 2 long-life HOAT coolant, usually available as a 50/50 premixed solution. Use only Honda/Acura approved Type 2 coolant, flush or top off as needed using proper technique, and dispose of old coolant responsibly. Checking the owner's manual for engine-specific notes is advised.