FixVault

Cap Testing

WARNING: This page is about a different car, the 2007 Kia Sedona and 2006 Kia Sedona. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the radiator cap, wet its seal with engine coolant, then install it no pressure tester.
    Fig 1: Testing Radiator Cap
    G04803647Courtesy of KIA MOTORS AMERICA, INC.
  2. Apply a pressure of 93-123 kPa (0.95-1.25 kgf/cm2 , 14-19 psi)
  3. Check for a drop in pressure.
  4. If the pressure drops, replace the cap.