Glossary “dynamometer” Definition:
Machine on which a vehicle may be driven, simulating actual driving conditions for emissions and diagnostic purposes.
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dyno
Glossary “dyno” Definition:
Term for dynamometer.
Dytel
Glossary “Dytel” Definition:
Trade name for a red dye found in some CFC refrigerants.
Dzus fastener
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..
dynamic range
Glossary “dynamic range” Definition:
Operating range of a sensor.
Dynamic Response Test
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”.
dynamic seal
Glossary “dynamic seal” Definition:
Seal that prevents fluid passing between two parts that are in motion relative to each other.
dynamic voltage
Glossary “dynamic voltage” Definition:
Voltage measured at the source with the circuit in operation.
dynamically balanced
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.
dynamo
Glossary “dynamo” Definition:
Electric DC-current generator.
dynamic data display
Glossary “dynamic data display” Definition:
Mopar Diagnostic System software in which input signals from various components plotted over time.
dynamic friction
Glossary “dynamic friction” Definition:
Coefficient of friction between two surfaces that have relative motion between them. Also known as kinetic friction.
dynamic balance
Glossary “dynamic balance” Definition:
Term used when wheels are balanced using equipment that spins the tires and wheels as an assembly
dwell
Glossary “dwell” Definition:
Length of time the distributor points are closed measured in degrees of distributor shaft rotation.
dwell angle
Glossary “dwell angle” Definition:
Term used for dwell.
dye-penetrant testing
Glossary “dye-penetrant testing” Definition:
Non-destructive, inexpensive method of testing metal for cracks.
dykum blue
Glossary “dykum blue” Definition:
A blue dye used to color metal.
dynamic
Glossary “dynamic” Definition:
Pertaining to motion, force, energy or movement.
DVSV
Glossary “DVSV” Definition:
Distributor Vacuum Solenoid Valve
DVVV
Glossary “DVVV” Definition:
Distributor Vacuum Vent Valve