The most common suspensions systems in today’s vehicles still consist of gas shocks and struts, but liquid and air based systems are becoming increasingly more common and more popular. This is simply because they are more comfortable. They are also easily adjusted for specific needs, like the height of the driver or passengers. Air springs are just rubber bladders that are located under the vehicle, and work to raise the chassis above the axles. They’re not all that complicated, and usually they will last a very long time.

So, how long exactly will air springs last? They are in use every time you drive your vehicle, but even so, you can expect to get a good long life from your air springs. In most cases, you will end up retiring your vehicle long before the air springs fail. That said, though, rubber can always dry out, crack, and leak as it becomes brittle. If that happens, then naturally, you will have to replace your air springs. Your suspension is a very important component when it comes to safe operation of your vehicle, so you should never ignore signs of problems with your air springs.

Signs that your air springs need to be replaced include:

  • Sagging suspension
  • Reduced maneuverability
  • Less comfortable ride
  • Air spring compressor keeps running
  • Leaking air

If your vehicle is equipped with air springs, and you think that they may need to be replaced, you should consult a qualified mechanic.

This article originally appeared on YourMechanic.com as How Long Do Air Springs Last? and was authored by Valerie Johnston.


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