Steering Racks

Power Steering Racks

Power Steering Racks are sometimes referred to as Rack and Pinion steering racks this is because the steering unit consists of a main rack shaft with a small pinion. The pinion shaft is attached to the vehicles steering wheel via linkages, the pinion inside the unit has small teeth, that mesh into the main rack shaft.
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Manual Steering Racks

Manual Steering Racks are sometimes referred to as Rack and Pinion steering racks this is because the steering unit consists of a main rack shaft with a small pinion. The pinion shaft is attached to the vehicles steering wheel via linkages, the pinion inside the steering rack has small teeth, that mesh into teeth on the main rack shaft. This converts the steering wheel rotation into lateral movement that then moves the road wheels to steer the vehicle as you drive.
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Steering Rack – Technical

Rust is the largest issue faced with the sealing of the power steering fluid. Some manufactures do not install enough lubrication inside the rack boots and over time the rack shafts rusts. Once the rust has damaged the shaft, the rack shaft seals cannot retain the fluid and the steering rack will leak. In most cases this can be prevented by removing the rack boots and installing some grease to lubricate the shaft to prevent any rust from forming.
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