Check out the fundamentals of wheel alignment and much more!Wheel alignment affects safety, handling, and performance. Abnormal tire wear and handling quirks signal the need for wheel alignment. Modifying the chassis or suspension requires a trip to the alignment shop. Wheel alignment is routine service for trucks with a solid, hypoid rear axle and a beam, twin-beam, or independent front suspension (IFS) system. A modern alignment rack can check caster, camber, toe set, and steering axis inclination (SAI). Front tires float on sliding, rotating turn plates to unload suspension and allow free movement as the wheels turn. Although a solid rear axle truck does not require rear toe adjustment, the rear axle must be square with the frame's centerline.


Photo Gallery: Wheel Alignment Fundamentals - Classic Trucks Magazine


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