Automotive Terms Dictionary
Part of car's body between rear side window and its rear window (also known as a C-Post).
A housing for cylinder, pistons and brake shoes, connected to the hydraulic system. The caliper holds the brake shoes so they straddle the brake disc.
The inward or outward angle which a front-wheel spindle makes with a vertical line, as viewed by either the front or the rear of the vehicle. Positive camber results when the top of the tire tilts out further than its bottom. The adjustment of this setting affects both tire wear and vehicle handling.
The shaft in the engine which is driven by gears, belts or chain from the crankshaft. The camshaft has a series of cams that opens and closes intake and exhaust valves as it turns.
Canada-U.S. Free Trade Agreement (FTA)
Implemented in January 1989 to eliminate all tariffs on U.S. and Canadian goods by January 1998 and to reduce or eliminate many non-tariff barriers.
Canadian Automotive Repair and Service Council (CARS)
a not-for-profit organization established to serve the human resource and training needs of the Canadian car and truck repair and service industry.
a process technology that delivers a liquid molten metal into a purpose-built mould. After cooling, the solid metal surface has the shape of the mould cavity.
Often simply called a "catalyst", this is a stainless steel canister that is part of a vehicle's exhaust system and contains a thin layer of catalytic material spread over a large area of inert supports. It induces chemical reactions that convert an engine's exhaust emissions into less harmful products prior to entering the environment.
Center of Gravity
Point where the weight of a vehicle appears to be concentrated and if suspended at that point would balance front and rear.
After Charles Augustin de Coulomb, French (1736-1806). The coulomb is a unit of electrical charge.
The volume of space at the top of the cylinder where burning of the air/fuel mixture begins.
Usually manufactured with replaceable halogen bulbs and separate hard acrylic or glass lenses. This type of lamp provides superior illumination compared to the long-conventional sealed beam unit.
Compressor (Air Conditioning)
The machinism is an air conditioner that pumps vaporized refrigerant out of the evaporator, compresses it to a relatively high pressure, and then delivers it to the condenser.
A device for storing electrical energy. In A/C application, an air conditioning component used to remove heat from the inside of a vehicle.
The metal rod that connects a piston to the crankshaft.
The area of a tire's tread that is in contact with the ground.
The mixture of water and anti-freeze that picks up heat from the engine and transfers it to the air passing through the radiator. This transfer of heat keeps the engine operating within its optimum temperature rant preventing premature engine wear.
The system that removes heat from the engine by the forced circulation of coolant and thereby prevents engine overheating. In a liquid-cooled engine, it includes the water jackets, water pump, radiator, and thermostat.
A case which covers the crankshaft.
The basic part of the engine to which other engine parts are attached. It is usually a casting and includes engine cylinders and the upper part of the crankcase.
The removable part of the engine that attaches to the cylinder block directly above the cylinders. The head is cast from aluminum or iron and houses the combustion chambers, the intake and exhaust ports, spark plugs and much or all of the valve train. It has oil and water passages for cooling and lubrication.
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