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Home >> Kia >> 2003 >> Spectra Base, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 1.8L 4-Cylinder Engine >> Cooling System >> Radiator Cap Inspection >> Radiator Cap Valve

Radiator Cap Valve

  1. Remove foreign material from radiator cap valve and the valve seat.
  2. Attach radiator cap to a radiator cap tester. Apply pressure gradually to 15 psi (103 kPa, 1.05 kg/cm2).
    Fig 1: Testing Radiator Cap Valve
    G01080427Courtesy of KIA MOTORS AMERICA, INC.
  3. Wait about 10 seconds. Verify that pressure has not decreased.
  4. Replace radiator cap as necessary.