The tires and wheels on your vehicle were aligned and balanced carefully at the factory to give you the longest tire life and best overall performance. Adjustments to wheel alignment and tire balancing will not be necessary on a regular basis. However, if you notice unusual tire wear or your vehicle pulling to one side or the other, the alignment might need to be checked.
If you notice your vehicle vibrating when driving on a smooth road, the tires and wheels might need to be rebalanced. See your dealer/retailer for proper diagnosis.
Uniform Tire Quality Grading
Wheel ReplacementChevrolet Cobalt Service & Repair Manual. Tire & Wheel Assembly Rotate & Balance
A statically balanced wheel is
balanced in one plane, around centerline of wheel. This prevents simple
up and down movement relative to centerline of the wheel. A dynamically
balanced wheel is balanced on both sides of hub. This reduces the chance
of wobble off axis. Dynamic b ...