Coolant: Service and Repair

Coolant Replacement

Drain

1. Radiator Cap

1. Wait until the engine is cool, then carefully remove the radiator cap.

2. Vehicle Lift

1. Raise the vehicle on a lift, and make sure it is securely supported.

3. Radiator Coolant - Replacement





1. Loosen the drain plug (A), and drain the coolant.

4. Cylinder Block Coolant - Drain (Except K24Z7 engine )





Except K24Z7 engine

1. Remove the drain bolt (A) from the rear side of the engine block.

2. After the coolant has drained, reinstall the drain bolt with a new washer.

3. Tighten the radiator drain plug securely.

Refill

1. Radiator Coolant - Replacement (Natural Gas Model)

1. 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.


















2. HDS DLC - Connection





1. Connect the HDS to the data link connector (DLC) (A) located under the driver's side of the dashboard.

2. Turn the ignition switch to ON (II).

3. Make sure the HDS communicates with the vehicle. If it does not communicate, go to the DLC circuit troubleshooting.

3. Maintenance Minder Reset

1. After doing all procedures, select the individual maintenance item you wish to reset with the HDS (See the Maintenance Minder General Information).