Australian Automotive Glossary

B-Pillar

The roof support between a vehicle's front door window and rear side window....
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Backfire

The sudden combustion of gases in the intake or exhaust system that results in a loud explosion....
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Balance Shaft

A shaft designed so that, as it turns, it counter rotates the rotational direction of the engine crankshaft in a manner that reduces or cancels out some of the vibration produced by the engine....
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Ball Joint

A flexible joint consisting of a ball within a socket. Ball joints act as pivots that allow turning of the front wheels and compensate for changes in the wheel and steering geometries that occur while driving....
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Base-Coat/Clear Coat

A paint system that adds a final clear-coat paint layer over base and colour coats to provide a deep, "wet-look" shine that resists fading....
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Battery

A battery stores electrical energy for starting the engine. All cars and light trucks today have a 12-volt battery. Most are also maintenance-free, meaning you don't have to regularly add water to them....
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Battery Electric Vehicle (BEV)

Type of electric vehicle (EV) that uses chemical energy stored in rechargeable battery packs. BEVs use electric motors and motor controllers instead of internal combustion engines (ICEs) for propulsion....
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Battery Management System (BMS)

Any electronic system that manages a rechargeable battery (cell or battery pack), such as by monitoring its state, calculating secondary data, reporting that data, protecting the battery, controlling its environment, and / or balancing it....
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Battery Polarity

Term denoting whether the positive or negative terminal of a battery is connected to earth....
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