Glossary “energize” Definition:
To turn ON or enable an electrical system or circuit.
e
end clearance
Glossary “end clearance” Definition:
Distance a shaft moves longitudinally as the crankshaft in an engine, Also known as end play.
end gap
Glossary “end gap” Definition:
Distance between the ends of a piston ring when installed into the cylinder.
end gas
Glossary “end gas” Definition:
Last part of an air/fuel mixture to burn during combustion.
end play
Glossary “end play” Definition:
1). Total amount of axial play in an automatic transmission. Endplay is typically measured at the input shaft. 2). Term used for end clearance.
end thrust
Glossary “end thrust” Definition:
Side to side or front to rear force against a shaft.
enamel
Glossary “enamel” Definition:
Free flowing clear or pigmented varnish, treated oil, or other form of organic coating that usually dries to a hard, glossy, or semigloss finish.
enameled wire
Glossary “enameled wire” Definition:
Wire insulated with a thin, baked-on varnish enamel, used in coils to allow the maximum number of turns in a given space.
encapsulated glass
Glossary “encapsulated glass” Definition:
See modular glass.
emulsification
Glossary “emulsification” Definition:
When water is mixed with oil or grease, the resulting mixture is thicker than normal, causing lack of proper lubrication, and finally components failure.
emulsion
Glossary “emulsion” Definition:
Fluid substance containing one liquid disbursed and suspended in another, rather than dissolved.
emulsion tube
Glossary “emulsion tube” Definition:
Passage in a carburetor where air is mixed with fuel.
EMW
Glossary “EMW” Definition:
Emission Maintenance Warning
enable
Glossary “enable” Definition:
To switch a computer device or facility so it can operate.
enable criteria
Glossary “enable criteria” Definition:
Exact conditions necessary for a diagnostic test or OBD-II monitor to run.
E-MOSFET
Glossary “E-MOSFET” Definition:
Enhancement – Metal Oxide Semiconductor Field Effect Transistor. This transistor can be operated in the enhancement mode only
EMR
Glossary “EMR” Definition:
Emission Maintenance Reminder, or Electronic Module Retard
emulsifiable chemical
Glossary “emulsifiable chemical” Definition:
Any chemical that will mix with water.
emissions warranty
Glossary “emissions warranty” Definition:
Federally mandated 5-year/50,000 mile performance and defect warranty that covers all emissions-related components on all new vehicles built since 1982. In 1995 the emissions warranty was reduced to 2 years/24,000 miles on all emissions-related components except the computer and catalytic converter, which are extended to 8 years/80,000 miles.
emitter
Glossary “emitter” Definition:
Semiconductor material in a transistor that emits carriers into the base region when the emitter base junction is forward biased.