Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSKIA2007RIO LX, STANDARDREPAIR AND DIAGNOSISENGINE MECHANICALMECHANICALENGINE OVERHAULCOOLING SYSTEMRADIATOR CAP TESTING

2007 Kia Rio LX, Standard

Radiator Cap Testing

2007 Kia Rio LX, StandardSECTION Radiator Cap Testing

Remove the radiator cap, wet the seal with coolant, then install it onto pressure tester.

Fig 1: Testing Radiator Cap
Courtesy of KIA MOTORS AMERICA, INC.
Apply a pressure of 93.16~122.58kpa (0.95~1.25kg/cm² , 13.51~17.78psi)
Check for a drop in pressure.
If the pressure drops, replace the cap.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.