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Core Shift

A condition where one side of a cylinder bore is thicker than the other side.

Core-hole Plug

A plug used to provide a seal for a core hole.

Cornering

Turning corners. A vehicle's cornering ability (i.e., the speed at which it can turn corners safely and comfortably) depends on a number of factors, including its tires, springs, shocks and anti-sway bars. A vehicle's height and weight distribution also have an effect, since a vehicle with a lower center of gravity will be more stable when cornering.

Cornering Light

Lamps in both sides of the vehicle body near the front that light up when the turn signals are activated and burn steady when the turn signal switch is in a turn position, providing additional illumination of the road in the direction of the turn.

Cornering Lights

Lamps that illuminate when the turn signals are activated

Corporate Average Fuel Economy (CAFÉ)

The fuel mileage standard for an automaker's line of vehicles set annually by the Department of Transportation (DOT).

Corrosion

The act of gnawing, or eating away portions of medials, a chemical action of Oxygen reacting to medials, Iron containing medials corrode in the form of rust.

Corrosion Inhibitors

[1] An additive used to reduce the corrosion properties of gasoline. [2] also used in anti-freeze to protect the cooling system from the corrosion properties of water.

Corrosive Flux

A flux composed of inorganic salts and acids, or activated rosin with a residue that chemically attacks the metal.

Corrosive Rain

A form of pollution produced when sulfur and nitrogen are emitted into the air. Known as acid rain.

Corrugated Metal Gasket

Thin sheets of metal used as a gasket that is shaped into parallel grooves and ridges for added strength.

Corsa

Italian for course.

COSA

An acronym for Carwash Owners and Suppliers Association, Inc.

Cosmoline

A trade name for a heavy-grade lubricant used to protect machine surfaces.

Cost Of Living Allowance (COLA)

An increase in stipends based on the average increase in the cost of living for any given period.

Cosworth

A British racing-engine manufacturer.

COTS

Coolant override temperature sensor

Cough

To damage or destroy an engine.

Coulomb

A unit used to define a quantity of electrons equal to 6.28 x 10 18 either stored as in a capacitor or moving as in an ampere .

Counter

A device, such as a register or computer-storage location, used to represent the number of occurrences of an event.