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How to Pressure Test a Radiator

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Note: This is a general guide for all vehicles.

Tools
  • Cooling System Pressure Tester
Difficulty

Moderate

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Steps

Safety Tip:
Always wear safety glasses when working on your vehicle. Wear other personal protective equipment (PPE) when necessary, for example latex gloves or closed toe shoes.

1
With the engine off and cold, open the hood and locate
the vehicle's radiator.
2
Inspect the radiator for damage, corrosion and signs of leaking.
3
Install the cooling system pressure tester following tool instructions.
4
Pressurize the radiator and cooling system. Do not exceed the pressure rating on the radiator cap. Inspect for leaks.
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5
Pressure test the radiator cap.
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Guide Contributors

  • my_ynoh at AutoMD.com
  • Jimm at AutoMD.com
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