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Radiator Cap: Inspection

  1. Check the radiator cap for damage, cracks and deterioration.
    Fig 1: Inspecting Radiator Cap
    G00965802Courtesy of HYUNDAI MOTOR CO.
  2. Attach a radiator cap tester to the radiator
  3. Pump the tester until the pointer stabilizes.
  4. If the pointer stays constant for 10 sec. at a point exceeding the service limit, the radiator cap is good.
    Fig 2: Pressure Testing Radiator Cap
    G00965803Courtesy of HYUNDAI MOTOR CO.
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