What Does Four-Wheel Alignment Adjust?
2 Answers
Front wheel alignment adjusts four parameters: caster angle, kingpin inclination angle, camber angle, and toe-in. Rear wheel alignment adjusts the camber angle and toe-in for each rear wheel. Here is additional information: 1. Four-Wheel Alignment: Four-wheel alignment is based on the four-wheel parameters of the vehicle, adjusted to ensure good driving performance and reliability. For the steering wheels, steering knuckles, and front axle of a car, their installation has a specific relative position, which is called front wheel alignment. Similarly, the rear wheels also have a relative installation position with the rear axle, called rear wheel alignment. Together, these are referred to as four-wheel alignment. 2. Benefits: Enhances driving comfort; reduces fuel consumption; extends tire lifespan; ensures driving stability; reduces wear on chassis suspension components; improves driving safety.
I haven't been driving for long, and a friend introduced me to wheel alignment. It mainly adjusts several key points in the suspension system, such as the toe angle of the front wheels, which determines whether the wheels point inward or outward; the camber angle adjusts whether the tires are perpendicular to the ground; and there's also the caster angle that helps the steering return to center. These all require professional machines for calibration. Poor alignment can cause the car to pull to one side, the steering wheel to shake, faster tire wear, and increased fuel consumption. Last time I had it done, I noticed much smoother handling and reduced noise. It's recommended to get a check-up after changing tires or a collision to prevent hidden dangers—don't wait until an accident happens to regret it. Regular alignments can improve safety and driving comfort.