Wednesday, 24 April 2024, 2:26 AM
Site: IMI eLearning
Course: IMI eLearning (IMI eLearning)
Glossary: Automotive Glossary
D
DetentA position holding device consisting of a spring and locking piece that locates in a groove. A locating device for holding sliding gears in mesh in a manual gearbox. |
DetergentA material intended to assist cleaning. The term is sometimes used to differentiate between soap and other surfactants used for cleaning. |
DetonationIgnition of fuel in an engine that is too early or too rapid. Produces a knocking or pinking sound. |
DFSDeceleration Fuel Shutoff |
DGWDesign Gross Weight – i.e. the maximum gross weight that the vehicle was designed to operate at by the manufacturer. This is normally found on the manufacturer’s plate fixed to the vehicle, or in the case of older or heavier vehicles by a ‘Ministry Plate’. Such plates are not required on all vehicles. |
DIDirect injection of fuel, usually diesel, into the combustion chamber. |
Diacetone AlcoholA slow-evaporating solvent for paints. |
DiagnosticsThe process of determining the fault in a system based on observed or measures symptoms. |
Dial GaugeA gauge used to indicate lateral movement of a component, on a clock (dial) type display. |
Dial Test IndicatorA gauge used to indicate lateral movement of a component, on a clock (dial) type display. |