If you have any doubt as to whether the bearing is good, it's best to err on the side of caution and replace it. Here are some things you should know before tackling this important job. A wheel ...

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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 ...

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.