Coolant: Service and Repair
Coolant Replacement1. Start the engine. Set the heater temperature control dial to maximum heat, then turn off the ignition switch. 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. Remove the rubber hose.
6. Tighten the radiator drain plug securely.
7. Remove the reserve tank, and drain the coolant, then reinstall the reserve tank.
8. Fill the reserve tank to the MAX mark (A) with Acura Long Life Antifreeze/Coolant Type 2 (P/N OL999-9011A).
9. Pour Acura Long Life Antifreeze/Coolant Type 2 into the radiator up to the base of the filler neck.
NOTE: Always use Acura Long Life Antifreeze/Coolant Type 2 (P/N OL999-9011A). Using a non-Acura coolant can result in corrosion, causing the cooling system to malfunction or fail. Acura Long Life Antifreeze/Coolant Type 2 is a mixture of 50% antifreeze and 50% water. Do not add water.
10. Install the radiator cap loosely.
11. Start the engine and let it run until it warms up (the radiator fan comes on at least twice).
12. Turn off the engine. Check the level in the radiator and add Acura Long Life Antifreeze/Coolant Type 2, if needed.
13. Put the radiator cap on tightly, then run the engine again, and check for leaks.
14. Clean up any spilled engine coolant.