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Home >> Acura >> 2007 >> RDX >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Cooling System >> Radiator Test
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Radiator Test

  1. Wait until the engine is cool, then carefully remove the radiator cap, and fill the radiator with engine coolant to the top of the filler neck.
  2. Attach a commercially available pressure tester (A) to the radiator, and apply a pressure of 93-123 kPa (0.95-1.25 kgf/cm2 , 14-18 psi).
    Fig 1: Pressure Testing Radiator
    G05446918Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Inspect for engine coolant leaks, and a drop in pressure.
  4. Remove the tester, then reinstall the radiator cap.
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