Glossary “convoluted area” Definition:
Series of ridges stamped into a structural part, such as a rail, allowing crushing or bending as a means of absorbing the energy of a collision.
c
cook
Glossary “cook” Definition:
To overheat, generally to the point of severe or irreparable damage.
coolant
Glossary “coolant” Definition:
Fluid, consisting of water and antifreeze, that circulates throughout a liquid-cooling system, around hot engine parts, to remove the heat and prevent damage.
coolant circulation
Glossary “coolant circulation” Definition:
Movement of liquid throughout the cooling system by water pump action to move heat, generated by engine combustion, and routed to the radiator.
coolant fan
Glossary “coolant fan” Definition:
Electrically or mechanically driven fan to increase air flow across the radiator to facilitate heat removal.
coolant fan relay
Glossary “coolant fan relay” Definition:
Control device that is used to activate the electric-coolant fan at a pre-determined, high-coolant temperature.
converter-signal pressure
Glossary “converter-signal pressure” Definition:
Pressure that signals the torque-converter lockup clutch engagement.
convertible
Glossary “convertible” Definition:
Automobile having a retractable or removable roof.
convertible top
Glossary “convertible top” Definition:
Vinyl or canvas soft-top roof system for two- or four-door vehicles that can be manually or automatically lowered and raised.
conventional theory
Glossary “conventional theory” Definition:
Theory of electricity that electrical current would flow from the positive potential to the negative potential.
conventional tire
Glossary “conventional tire” Definition:
Term used for bias ply tire.
conversion
Glossary “conversion” Definition:
Substitution of one element or component for another, as in substituting R-134a for R-12 in an automotive air-conditioning system; changing the fuel-type requirements of an engine; or changing ignition systems.
conversion coating
Glossary “conversion coating” Definition:
Part of a treatment system that modifies the metal surface to improve corrosion protection and paint adhesion.
converter pressure
Glossary “converter pressure” Definition:
Operating pressure within the torque converter.
conventional strut
Glossary “conventional strut” Definition:
Assembly in which the coil spring that supports the vehicle weight sits on a lower-spring seat, which is part of the strut housing, to maintain vehicle height.
conventional cab
Glossary “conventional cab” Definition:
Truck having a cab behind the engine.
conventional frame
Glossary “conventional frame” Definition:
Chassis frame that is separate from the body.
conventional frame designs
Glossary “conventional frame designs” Definition:
One of several frame designs: ladder, x-frame, hourglass or perimeter frame
control valve
Glossary “control valve” Definition:
1). Mechanism, located inside the power steering gearbox or on the steering relay rod, that controls the amount of power assist relayed to the steering linkage via a power piston. 2). Mechanical, pneumatic, or electric valve used to control the flow of coolant into the heater core.
control valve assembly
Glossary “control valve assembly” Definition:
The block of metal that contains the hydraulic passages and electric solenoids used to direct brake fluid during an ABS event.