Shock absorbers and struts last a long time and wear out pretty slowly for most vehicles. They're easy to take for granted, but your shocks and struts do a very important job so you need to pay attention to them.
They keep your tires on the road; and your tires are what connect your vehicle to the road and allow you to safely handle your car through turns, over bumps and even stop in time. When your shocks and struts are worn, your tires bounce excessively over bumps on the roads. Your vehicle will wallow through corners; your front-end will dive when you stop; and your rear-end will squat when you accelerate. All this hurts your ability to control your vehicle. And your ride just isn't as comfortable.
Worn shocks or struts cause excessive tire wear so you'll have to replace your tires sooner than you should. Worn shocks and struts also stresses other suspension and steering parts causing them to wear prematurely. Struts are actually a major structural component of the suspension system; The main components of the suspension system are:
Replacing worn shocks and struts saves money in the long run for drivers – and of course you can't really put a price on your safety and that of your passengers. We generally recommend replacing shocks and struts at 50,000 miles.