If you feel the steering wheel shake or vibrate when accelerating ... It typically costs under $100 to about $400 in labor ...
they sometimes require replacement. Signs of a failing rack include difficulty turning the steering wheel in one direction but not the other, jerkiness of motion or noises.
Most car-based vehicles use rack-and-pinion steering in which the steering wheel turns a pinion gear ... that a steering gearbox needs repair or replacement are increased or jerky steering effort ...