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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Radial-pistonUsually refers to a pump where a number of pistons are used that act outwards from the centre. | |
RadiationThe emission and diffusion of rays. | |
RadiatorAn apparatus for radiating or diffusing heat. | |
Radiator CapCap used to pressurise cooling system. | |
RadiusThe straight line distance from the centre of a circle to any fixed point on the circumference. | |
Radius ArmSuspension link with a fixed inner bearing and support for the stub axle assembly at the outer end. | |
Rail(1) Gear selector component carrying the selector forks in a manual transmission. (2) Pressurised petrol supply tube for all fuel injectors in a port electronic fuel injection system. | |
RAMRandom Access Memory. Dynamic memory in computers which holds data being worked on. This data is not permanent and will be lost when power is switched off. | |
Ram Air EffectForced movement of air due to the movement of the vehicle. | |
Ram CylinderHydraulic cylinder that applies force to a rod. Often part of a steering system. | |