2. Remove the radiator cap.
3. Remove the engine bottom cover.
4. Loosen drain plug A and drain the coolant.
5. Remove drain bolt A at the front of the engine block.
6. After draining the coolant, reinstall the drain bolt with a new washer.
7. Tighten the radiator drain plug securely.
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8. Install the engine bottom cover.
9. Drain the coolant from the expansion tank.
10. Fill the expansion tank to the mark «MAX» A Genuine Honda Long Term Coolant/Antifreeze Type 2 (P/N OL999—9001).
![](https://www.hondabook.ru/img/civic/2462.jpg)
11. Pour Genuine Honda Type 2 Long Term Coolant/Antifreeze into the radiator up to the base of the filler neck.
Note. Always use genuine All Season Type 2 antifreeze/coolant. Using a different coolant (not Honda) may lead to corrosion, causing malfunction of the cooling system.
Honda Type 2 long term coolant is a mixture of 50% antifreeze and 50% water. Don't add water.
Filling capacity of the engine (including expansion tank with a capacity of 0.4 l).
After coolant change: 4.0 l.
After engine overhaul: 5.6 liters.
![](https://www.hondabook.ru/img/civic/2463.jpg)
12. Install the radiator cap without tightening it.
13. Start the engine and wait for it to warm up (The radiator fan should turn on at least twice).
14. Start the engine. Check the coolant level in the radiator and top up with Genuine Honda Type 2 Long Term Coolant/Antifreeze if necessary.
15. Close the radiator cap tightly, then restart the engine and check for leaks.
16. Wipe up spilled coolant