Definition: An alignment job that includes all four wheels, not just the front two. All vehicles can benefit from a four-wheel alignment, not just those with front-wheel drive or independent rear suspensions. The rear wheels have just as much influence over directional stability as those at the front, and that's why many vehicles need to have all four wheels aligned. Many problems such as a steering pull to one side, uneven tire wear on the rear tires or misaligned rear wheels can cause poor tracking.

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