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How to Perform a Radiator Flush

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Preparing For Your Car Radiator Flush
Mechanic refills auto radiator
Reza Estakhrian/Iconica/Getty Images
Your car's radiator and cooling system needs to be clean to be cool. As time goes on, your car's radiator builds solid deposits that can clog the cooling system. A quick, inexpensive radiator flush can keep the system in shape. It's important to change your antifreeze seasonally.

Before you start your radiator flush, make sure you have everything you need. There's nothing worse than draining your radiator only to realize that you need to drive to the auto store for something!

What you'll need to perform a radiator flush:

  • Phillips head screwdriver or wrench (whichever your radiator drain requires)
  • Cloth rag
  • Radiator Flush solution
  • Coolant
  • Funnel
  • Used coolant receptacle

*Be sure to let your engine cool completely before you loosen or remove the radiator cap. Hot coolant can be painful!

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