Radiator Cap: Inspection

Inspect the radiator cap for damage, crack and weakening.

Fig 1: Inspecting Radiator Cap
Courtesy of KIA MOTORS AMERICA, INC.
Connect the radiator cap tester to the radiator cap.
Apply the pressure to the tester till the needle is fixed.

Fig 2: Applying Pressure To Tester Till
Courtesy of KIA MOTORS AMERICA, INC.
If the needle stays at the same position for 10 seconds, the radiator capes in good condition.