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HOMESERVICE MANUALSHONDA2002CIVIC SIREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 30 (COOLING SYSTEM)COOLING SYSTEMCOOLANT REPLACEMENT
2002 Honda Civic Si

Coolant Replacement

2002 Honda Civic SiSECTION Coolant Replacement
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Honda Odyssey, 2003 Honda Odyssey, 2002 Honda Odyssey, 2001 Honda Odyssey, and 2000 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
  1. Set the heater temperature control dial to maximum heat. 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 engine coolant.
    Fig 1: Loosening Drain Plug
    G01505370Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Install a rubber hose (A) on the drain bolt (B) located at the rear of the cylinder block, then loosen the drain bolt.
    Fig 2: Installing Rubber Hose On Drain Bolt
    G01505371Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. When the coolant stops draining, tighten the drain bolt.
  6. Tighten the radiator dram plug securely.
  7. Remove, drain, and reinstall the reservoir.
  8. Pour Honda All Season Antifreeze/Coolant Type 2 (P/N OL999-9001) into the radiator up to the base of the filler neck.
    NOTE:
    • Always use Honda All Season Antifreeze/Coolant Type 2. Using a non-Honda coolant can result in corrosion, causing the cooling system to malfunction or fail.
    • Honda All Season Antifreeze/Coolant Type 2 is a mixture of 50% antifreeze and 50% water. Pre-mixing is not required.
    1. Engine Coolant Refill Capacity (including the reservoir capacity of 0.6 G (0.6 US qt.) 
      1. Without rear A/C:  5.5L (5.8 US qt.)
      2. With rear A/C:  7.5L (7.9 US qt.)
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.