Glossary “dynamometer” Definition:
Machine on which a vehicle may be driven, simulating actual driving conditions for emissions and diagnostic purposes.
Glossary “dyno” Definition:
Term for dynamometer.
Glossary “Dytel” Definition:
Trade name for a red dye found in some CFC refrigerants.
Glossary “Dzus fastener” Definition:
Spring loaded screw like fastener that may be removed or installed with a quarter turn, for panels that may have to be removed for inspection or repair of other components..
Glossary “Dynamic Response Test” Definition:
Term used by Ford during KOER test in which a rapid acceleration is applied to the engine to checked for appropriate throttle movement, change in RPM, and change in the intake airflow. May also be called “goose test”.
Glossary “dynamic seal” Definition:
Seal that prevents fluid passing between two parts that are in motion relative to each other.
Glossary “dynamic voltage” Definition:
Voltage measured at the source with the circuit in operation.
Glossary “dynamically balanced” Definition:
1). Term that often refers to a wheel and tire being balanced while spinning. 2). In general terms, the balance of any object when it is in motion.
Glossary “dynamo” Definition:
Electric DC-current generator.
Glossary “dynamic range” Definition:
Operating range of a sensor.
Glossary “dynamic balance” Definition:
Term used when wheels are balanced using equipment that spins the tires and wheels as an assembly
Glossary “dynamic data display” Definition:
Mopar Diagnostic System software in which input signals from various components plotted over time.
Glossary “dynamic friction” Definition:
Coefficient of friction between two surfaces that have relative motion between them. Also known as kinetic friction.
Glossary “dwell” Definition:
Length of time the distributor points are closed measured in degrees of distributor shaft rotation.
Glossary “dwell angle” Definition:
Term used for dwell.
Glossary “dye-penetrant testing” Definition:
Non-destructive, inexpensive method of testing metal for cracks.
Glossary “dykum blue” Definition:
A blue dye used to color metal.
Glossary “dynamic” Definition:
Pertaining to motion, force, energy or movement.
Glossary “DVSV” Definition:
Distributor Vacuum Solenoid Valve
Glossary “DVVV” Definition:
Distributor Vacuum Vent Valve