Coolant Replacement

1.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 bulkhead cover.

3.Remove the splash shield.

4.Remove the radiator cap.

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

 


6.Remove the reserve tank mounting bolt (A), and remove the reserve tank.

 

7.Remove the coolant tube from the radiator, then put the end of the coolant tube lower the reserve tank and drain the coolant in the tank.

8.After the coolant has drained, tighten the radiator drain plug, and reinstall the coolant tube and reserve tank.

9.Install the splash shield.

10.Install the bulkhead cover.

11.Fill the reserve tank to the MAX mark (A) with genuine Honda All Season Antifreeze/Coolant Type 2.

 

12.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. 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. Pre-mixing is not required.

Engine Coolant Capacities (Including the reserve tank capacities of 0.55 L (0.15 US gal, 0.12 lmp gal)) 
K20A4 (Except FO, MA, PH, IN models),
K20A5 Engines:
 
M/T: 5.4 L (1.43 US gal, 1.19 lmp gal) 
A/T: 5.3 L (1.40 US gal, 1.17 lmp gal) 
K20A4 (FO, MA, PH, IN models) Engine: 
M/T: 5.0 L (1.32 US gal, 1.10 lmp gal) 
A/T: 4.9 L (1.29 US gal, 1.08 lmp gal) 
K24A1 Engine: 
M/T: 5.5 L (1.45 US gal, 1.21 lmp gal) 
A/T: 5.4 L (1.43 US gal, 1.19 lmp gal) 

 

13.Install the radiator cap loosely.

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

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

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