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Functions of a Steering System. Provide precise control of the wheel direction Maintain correct steering effort Transmit road feel to the driver’s hands Absorb most of the road shock going to the steering wheel Allow for suspension action. Gear Mechanisms. Steering.
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Functions of a Steering System • Provide precise control of the wheel direction • Maintain correct steering effort • Transmit road feel to the driver’s hands • Absorb most of the road shock going to the steering wheel • Allow for suspension action
Steering Basic Linkage Steering (Worm Gear) Basic Rack-and-Pinion Steering
Basic Steering Systems • Two basic kinds of steering systems are in use today: • linkage (worm gear) steering systems • rack-and-pinion steering systems • Each may be operated manually or with power assist
Steering Gears Rack-and-Pinion Gear Worm Steering Gear
Steering Gear Principles • Two basic types of gear mechanisms are found in steering gearboxes: • worm gears • rack-and-pinion gears
Steering Column Assembly • Consists of the steering wheel, steering shaft, column, ignition key mechanism, and a universal joint • Bolts to the underside of the dash • Sticks through the cowl and fastens to the steering gear