2000 Honda Odyssey EXFACTORY OEM SERVICE PROCEDURE

Heated Air Induction System Test

  1. Remove the air cleaner housing cover and air cleaner element.
  2. Check the air valve (A). The door should be open when the temperature at the wax element (B) is below 32°F (0°C).
    • If the valve is open, go to step 3.
    • If the valve is not open, check the shaft for binding or sticking. If it is OK, replace the air cleaner housing.
    Fig 1: Checking Air Valve
    G01511772Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Start the engine. Hold the engine at 3,000 rpm with no load (in Park or neutral) until the radiator fan comes on.
  4. Check the air valve (A). The air valve should be closed when the temperature at the wax element (B) is above 50° (10°C).
    • If the air valve is closed, the heated air induction system is OK.
    • If the air valve is not closed, check the shaft for binding or sticking. If it is OK, replace the air cleaner housing.
Fig 2: Checking Air Valve
G01511773Courtesy of AMERICAN HONDA MOTOR CO., INC.
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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.

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