Coolant Replacement

Remove the radiator cap.
Remove the splash shield.
Loosen the drain plug (A), and drain the coolant.

Fig 1: Identifying Drain Plug
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the drain bolt (A) located at the rear of the engine block.

Fig 2: Drain Bolt With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
After the coolant has drained, reinstall the bolt with a new washer and tighten it securely.
Tighten the radiator drain plug securely.
Remove, drain, and reinstall the coolant reservoir.
Fill the coolant reservoir to the MAX mark (A) with Honda Long Life Antifreeze/Coolant Type 2 (P/N OL 999-9011).

Fig 3: Identifying Coolant Level Max Mark On Coolant Reservoir
Courtesy of AMERICAN HONDA MOTOR CO., INC.
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 (P/N OL999-9011). 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.
Engine Coolant Capacities (Including the coolant

reservoir capacity of 0.44 L (0.116 US gal)):

M/T model:

At Coolant Change: 4.37 L (1.155 US gal)

After Engine Overhaul: 4.86 L (1.284 US gal)

A/T model:

At Coolant Change: 4.47 L (1.181 US gal)

After Engine Overhaul: 4.96 L (1.310 US gal)

Fig 4: Pouring Honda Long Life Antifreeze/Coolant Type 2 Into Radiator
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Loosely install the radiator cap.
Start the engine, and let it run until it warms up (the radiator fan comes on at least twice).
Turn off the engine. Check the level in the radiator, and add Honda Long Life Antifreeze/Coolant Type 2, if needed.
Put the radiator cap on tightly, then start the engine again, and check for leaks.
Clean up any spilled engine coolant.
Connect the Honda Diagnostic System (HDS) to the data link connector (DLC) (see step 2 on GENERAL TROUBLESHOOTING INFORMATION ).
Make sure the HDS communicates with the vehicle and the engine control module (ECM)/powertrain control module (PCM). If it does not communicate, troubleshoot the DLC circuit (see DLC CIRCUIT TROUBLESHOOTING ).
Turn the ignition switch to ON (II).
Select BODY ELECTRICAL with the HDS.
Select ADJUSTMENT in the GAUGE MENU with the HDS.
Select RESET in the MAINTENANCE MINDER with the HDS.
Select MAINTENANCE SUB ITEM 5 RESET with the HDS.