Coolant Replacement

1.Start the engine. Set the heater temperature control dial to maximum heat, or climate control system to HI, 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.After the coolant has drained, tighten the radiator drain plug.

5.Remove, drain and reinstall the reverse tank.

6.Fill the reserve tank to the MAX mark (A) with genuine Honda All Season Antifreeze/Coolant Type 2 (P/N OL999-9001).

7.Pour genuine Honda All Season Antifreeze/Coolant Type 2 into the radiator up to the base of the filler neck.

NOTE:
  • Always use genuine Honda All Season Antifreeze/Coolant Type 2 (P/N OL999-9001). Using a non-Honda coolant can result in corrosion, causing the cooling system to malfunction or fail.
  • Genuine Honda All Season Antifreeze/Coolant Type 2 is a mixture of 50% antifreeze and 50 % water. Do not add water.

Engine Coolant Refill Capacity [including the reserve tank capacity of 0.6[liter] (0.6 US qt, 0.5 Imp qt)]:
K20A6 engine: 
M/T: 4.5 [liter] (4.8 US qt, 4.0 Imp qt) 
A/T: 4.4 [liter] (4.6 US qt, 3.9 Imp qt) 

K24A3 engine:
M/T: 5.4 [liter] (5.7 US qt, 4.8 Imp qt) 
A/T: 5.3 [liter] (5.6 US qt, 4.7 Imp qt) 

8.Install the radiator cap loosely.

9.Start the engine, and let it run until it warms up (the radiator fan comes on at least twice).

10.Turn off the engine. Check the level in the radiator and add genuine Honda All Season Antifreeze/Coolant Type 2 if needed.

11.Put the radiator cap on tightly, then run the engine again and check for leaks.