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Steering Shaft

A shaft that extends from the steering wheel toward the gearbox through the steering column.

Steering Spindle

A term used for spindle.

Steering System

The mechanism that permits the driver to change vehicle direction by turning a wheel inside the vehicle.

Steering Terminology

Terms that apply to steering, such as bump steer, memory steer, steering pull, steering wander, and torque steer.

Steering Wander

The tendency of the steering to pull to the right or left when the vehicle is driven straight ahead on a smooth road surface that may be caused by improper caster adjustment.

Steering Wheel

The wheel, located at the top of the steering shaft, which the driver uses to steer the vehicle.

Steering Wheel Centering

The procedure of turning both tie-rod couplings equally in the proper direction to correctly position the steering-wheel spokes, and placing the steering gears on their high (center) position.

Steering Wonder

The tendency of a vehicle to pull to one side when driving straight ahead.

Steering-and-ignition Lock

A device that locks the ignition open and, at the same time, locks the steering wheel in position so it cannot be turned.

Stellite

A tradename for a very hard alloy made from cobalt (Co), chromium (Cr), and tungsten (W) used for valve-seat inserts.

Stem-type Service Valve

A service valve requiring a special wrench be affixed to a stem for opening and closing.

Stemming

A condition where the valve radius section has corroded to the extend that it has a smaller diameter than the stem.

Step

1. The raised portion of a chassis providing added clearance over the axle. 2. a term used for stepped flywheel. 3. A raised portion on one part so another part can be joined to it.

Step Ratio

A transmission with steps or gear ratios, such as four steps for a four-speed transmission.

Step Side

The tradename of a popular pickup truck by Chevrolet.

Step-down Transformer

A transformer that produces a lower voltage at its secondary output than is applied to its primary input.

Step-up Transformer (coil)

A transformer in which the secondary winding has more turns than the primary winding.

Stepless Transmission

A transmission without gears that goes from low gear to overdrive without meshing gears.

Stepped Flywheel

A flywheel having a ledge to which a pressure plate is attached.

Stepped Resistor

1. A resistor having two or more fixed-resistance values. 2. a resistor assembly having a switch that is wired in series to increase/decrease the circuit resistance thereby controlling an electrical motor speed.