Coolant: Service and Repair
Coolant Replacement1. Start the engine. Set the heater temperature control dial to maximum heat, then turn the ignition switch to LOCK (0). Make sure the engine and radiator are cool to the touch.
2. Remove the radiator cap.
3. Remove the five clips and the two bolts securing the engine undercover, then open the engine undercover.
4. Loosen the drain plug (A), and drain the coolant.
5. Remove the drain bolt (A) from the rear side of the engine block.
6. After the coolant has drained, reinstall the drain bolt with a new washer.
7. Tighten the radiator drain plug securely.
8. Loosen the air bleed bolt (A) on the connecting pipe joint.
9. Pour Honda Long Life Antifreeze/Coolant Type 2 (P/N OL999-9001) into the radiator and coolant reservoir, and tighten the bleed bolt as soon as coolant starts to run out in a steady stream.
10. Pour Honda Long Life Antifreeze/Coolant Type 2 into the radiator up to the base of the filler neck.
NOTE:
^ Always use Honda Long Life Antifreeze/Coolant Type 2. Using a non-Honda coolant can result in corrosion, causing the cooling system to malfunction or fail.
^ Honda Long Life Antifreeze/Coolant Type 2 is a mixture of 50% antifreeze and 50% water. Do not add water.
11. Loosely install the radiator cap.
12. Start the engine and let it run until it warms up (the radiator fan comes on at least twice).
13. Turn off the engine. Check the level in the radiator, and add Honda Long Life Antifreeze/Coolant Type 2, if needed.
14. Put the radiator cap on tightly, then run the engine again, and check for leaks.
15. Clean up any spilled engine coolant.
16. If the maintenance minder required engine coolant replacement, reset the maintenance minder, and this procedure is complete. If the maintenance minder did not require engine coolant replacement, go to step 14.
17. Turn the ignition switch to LOCK (0).
18. Connect the Honda Diagnostic System (HDS) to the data link connector (DLC).
19. Turn the ignition switch to ON (II).
20. Make sure the HDS communicates with the vehicle and the powertrain control module (PCM). If it doesn't communicate, troubleshoot the DLC circuit.
21. Select BODY ELECTRICAL with the HDS.
22. Select ADJUSTMENT in the GAUGE MENU with the HDS.
23. Select RESET in the MAINTENANCE MINDER with the HDS.
24. Select MAINTENANCE SUB ITEM 5 RESET with the HDS.
25. Reset the maintenance information display.