Automotive Glossary
Automotive Glossary
Browse the glossary using this index
Special | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALL
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Main BeamThe upper of the two headlamp beams. Also driving beam and upper beam. | |
Main BearingsCentral journals and bearings on a crankshaft axis mounted in the engine crankcase. The crankshaft rotates in these bearings. | |
Main GalleryA tube shaped section cast in to the engine block where other oil feeds are taken from. | |
Mainline PressureThe regulated hydraulic pressure in an automatic transmission. | |
Makeup AirA system that brings and heats air from the outside to a desired air flow and temperature. | |
MalleableDescribes a material that means it can be easily shaped. | |
MAMMaximum Authorised Mass – The maximum gross weight permissible in GB. | |
MandrelsBars used to locate a component. | |
ManifoldPipes or ducting to route air in or burnt gases out of an engine. Attached to the ports. | |
Manifold Absolute PressureThe mean gas absolute static pressure in an engine induction manifold. Absolute pressure is equal to gauge pressure plus atmospheric pressure. | |