How Often to Change Your Engine Air Filter

Car and Engine Filters

Many key components of your vehicle—from the tires to the brake pads to the fluids—wear out and need to be replaced from time to time. One of these components is your engine air filter, which keeps unwanted particles out of your engine so it can keep running smoothly on the Chapel Hill roads. While your owner’s manual will give you more specific information on the interval for an engine air filter replacement, conventional wisdom says that you should have your air filter replaced every 30,000 to 45,000 miles. The service team at Hendrick Cadillac Southpoint has more information on the engine air filter cost, purpose, and more in the guide below.


What Does an Engine Air Filter Do?

It’s important that your engine be free of contaminants like dust, dirt, sand, and general debris picked up on the road. The engine air filter is designed to keep these contaminants from getting inside the engine, so you don’t run into problems as you’re driving around Raleigh. As it picks up more and more debris, the engine air filter will become clogged and dirty, until it eventually stops being effective and starts to let debris into the engine. The most common warning signs that it’s time for an engine air filter replacement are:

  • Sluggish acceleration
  • Misfiring spark plugs
  • Black smoke from the exhaust
  • Service Engine light comes on

Engine Air Filter Replacement Details

Although experts agree that your engine air filter should be replaced around every 30,000 to 45,000 miles, there are some factors that shorten its lifespan. Frequently driving over rough terrain like dirt, mud, or gravel will cause more debris to clog up the filter, which means it will need to be replaced sooner than usual. Driving in heavy traffic on hot days will also minimize the effectiveness of the engine air filter. 

The engine air filter cost is pretty reasonable–usually no more than $85–but if you want to save some money, you can DIY a replacement. The process of replacing your engine air filter yourself is relatively straightforward, since the engine air filter is easy to access through the air filter compartment. All you have to do is open up the compartment, remove the old filter, and drop in a new one! 

Keep Your Car Running in Top Condition at Hendrick Cadillac Southpoint 

If you’re in need of an engine air filter replacement and you’d rather leave it to the professionals, you can schedule a service appointment right from our website! We’ll take care of everything and get you back on the Cary roads in no time. Feel free to contact us with any additional service questions, like what’s the difference between synthetic vs. regular oil.

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