Periodic tire rotations are necessary to insure even tire wire on all four tires and will extend the life of your tires.
A tire rotation should be performed every 6-8,000 miles.
Do it yourself.
Always check and adjust tire pressure to the correct specification. You can find the correct tire pressure specification on the driver’s door or in your car’s owner’s manual. When the tires are off the car, carefully inspect the tires for unusual wear and damage.
When putting the tires back on the car, make sure all the wheel lug nuts are properly tightened (torqued). If you do your own tire rotations, it’s probably best to invest in a torque wrench to insure that the wheels are tightened to factory spec. Torque specs are usually found in your owner’s manual or shop manual. Your service professional can also supply you with the correct torque spec.
Please note that some vehicles have a different size tire on the rear wheels than the front wheel. For these models, a tire rotation cannot be performed. In addition, if rotate your tires yourself you probably don’t have a wheel balancer. Tire can get out-of-balance and should be checked if you feel a wheel shimmy or if you have hit a lot of potholes. Lastly, check the owner’s manual for correct rotation pattern.