How to Know if your Radiator Needs Flushing

man fixing car

Knowing when and how often to flush your radiator helps you maintain the longevity of your vehicle. A key part of any automobile, the radiator serves as the heating and cooling mechanism of your car, truck, van or SUV. It’s what keeps the vehicle from overheating while running and also what prevents the engine from freezing up during colder weather.

What Causes a Radiator to Need Flushing

Radiators have a tendency to get dirty over time and the water and antifreeze it uses gets filled with impurities. This prevents the radiator from doing its job efficiently. This is when a flush is inevitable because it helps the engine perform optimally. Without it, you’re at risk of your engine overheating in the summer or freezing up in the winter.

There are two things that indicate when you need a radiator flush. The first is your driving habits. If your vehicle is always on the go, the radiator fluid and/or water that it contains becomes dirty faster. Flushing the radiator lengthens the lifespan of the vehicle which is why it should be done often if you drive a lot.

Flush Less Often by Using High-Quality Radiator Fluid

The other thing to think about is the quality of the fluid that you use. If it’s a cheaper variety, it may not work as well as a brand that is more expensive. Keep this in mind when choosing fluid as saving a few dollars now may cost you more when a flush is needed.

A radiator flush helps keep the part in top working order. It prevents the vehicle from overheating in warmer weather months and freezing up in colder weather months. It helps an automobile run smoothly for years which is why flushing the radiator should be a routine part of your vehicle maintenance.

A radiator flush is simple with Performance Auto Repair. If you think your radiator needs flushing, or you’d like to make an appointment for any other car or truck issue, contact Performance Auto Repair in Montgomery today.


  1. I think it would help to know when to clean out the radiator. It can be helpful to know when to do that because then you don’t have to worry about servicing as much. It might even help a lot for the engine’s sake.

  2. Auto repair is important because it keeps your car in good shape. Your radiator is a big part of that because it stores the coolant for your car. I had no idea that high quality radiator fluid needed to be flushed less.

  3. This article has helped me to understand the importance of flushing my radiator. It was cool to learn that flushing your radiator regularly will prevent it from overheating. I can imagine how helpful flushing your radiator can be especially before a long road trip to ensure that your car runs smoothly.

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  6. It’s really important to do preventive maintenance to lengthen the lifespan of your car.

  7. Nice post. I was checking constantly this blog and I am impressed! Extremely useful information specially the last part

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