FixVault

Coolant Replacement

  1. Start the engine. Set the heater temperature control dial to maximum heat, then turn off the engine. Make sure the engine and radiator are cool to the touch.
  2. Remove the radiator cap.
  3. Remove the splash shields (see step 24 on ENGINE ASSEMBLY ).
  4. Loosen the drain plug (A), and drain the coolant.
    Fig 1: Draining Coolant
    G03680580Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Remove the drain bolt (A) from the rear side of the engine block.
    Fig 2: Drain Bolt On Rear Side Of Engine Block And Torque Specifications
    G03680581Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. After the coolant has drained, apply liquid gasket to the drain bolt threads, then reinstall the bolt with a new washer and tighten it securely.
  7. Tighten the radiator drain plug securely.
  8. Remove, drain and reinstall the coolant reservoir. Fill the tank to the MAX mark with Honda Long Life Antifreeze/Coolant Type 2 (P/N OL 999-9001).
  9. Loosen the air bleed bolt (A) in the water outlet, then pour Honda Long Life Antifreeze/Coolant Type 2 into the radiator to the bottom of the filler neck. Do not let coolant spill on any electrical parts or the paint. If any coolant spills, rinse it off immediately.
    NOTE:
    • Always use Honda Long Life Antifreeze/Coolant Type 2 (P/N OL 999-9001). 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. Pre-mixing is not required.

    Engine Coolant Capacities [Including the reservoir capacity of 0.36 L (0.10 US gal)] 

    At Coolant Change: 

    2000-2003 models: 2.5 L (0.66 US gal) 

    2004-2006 models: 2.3 L (0.61 US gal) 

    After Engine Overhaul: 

    2000-2003 models: 4.0 L (1.06 US gal) 

    2004-2006 M/T models: 3.9 L (1.03 US gal) 

    2004-2006 CVT models: 4.0 L (1.06 US gal) 

    Fig 3: Air Bleed Bolt In Water Outlet And Torque Specifications
    G03680582Courtesy of AMERICAN HONDA MOTOR CO., INC.
  10. Tighten the bleed bolt as soon as coolant starts to run out in a steady stream.
  11. Pour Honda Long Life Antifreeze/Coolant Type 2 into the radiator to the bottom of the filler neck, and install the radiator cap.
  12. Remove the cap (A) from the water outlet, then install an 8 mm hose (B) and a funnel (C).
    Fig 4: Installing Hose And Funnel On Water Outlet
    G03680583Courtesy of AMERICAN HONDA MOTOR CO., INC.
  13. Pour Honda Long Life Antifreeze/Coolant Type 2 into the funnel until the coolant level reaches the base of the funnel, then start the engine and let it idle.
  14. Add Honda Long Life Antifreeze/Coolant Type 2 into the funnel as the level goes down.
  15. Stop the engine, then remove the funnel and the 8 mm hose from the water outlet. Install the cap.
  16. Start the engine, and let it run until warmed up (radiator fan comes on at least twice). Then, turn off the engine, and let it cool down.
  17. If necessary, add more Honda Long Life Antifreeze Coolant Type 2 into the radiator up to the base of the filler neck and into the reservoir up to the MAX mark.
  18. Clean up any spilled engine coolant.