Glossary “inversion valve” Definition:
A normally open air valve used primarily in parking and emergency brake systems.
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interrupter
Glossary “interrupter” Definition:
Device used to block a signal
internally balanced engine
Glossary “internally balanced engine” Definition:
Engines that reley on the crankshaft counterweights for all crankshaft balance.
International Hot Rod Association (IHRA)
Glossary “International Hot Rod Association (IHRA)” Definition:
A drag-racing sanctioning body.
interpole
Glossary “interpole” Definition:
A small field pole placed between the main field poles and electrically connected in series with the armature of an electric rotating machine.
internal leaks
Glossary “internal leaks” Definition:
Leaks that exist or develop inside a transmission or other component, some being ordinary and acceptable, while others may indicate a component failure.
intermittent fault code
Glossary “intermittent fault code” Definition:
One that only occurs occasionally for a short period of time and is not present in the system at the time of the fault test.
intermittent problem
Glossary “intermittent problem” Definition:
Fault that occurs now and then in an electrical circuit, referring to occasional opens, shorts, or grounds
Intermix System
Glossary “Intermix System” Definition:
A full set of paint pigments and solvents that can be mixed at the body shop.
internal balancing
Glossary “internal balancing” Definition:
Balancing that is done by drilling holes on the crankshaft counterweights.
internal combustion engine (IC)
Glossary “internal combustion engine (IC)” Definition:
An engine that burns the air/fuel mixture in a chamber inside the engine cylinder, like a conventional reciprocating engine or a rotary engine.
internal gear
Glossary “internal gear” Definition:
A gear with teeth pointing inward toward the center of the orifice.
intermediate shaft
Glossary “intermediate shaft” Definition:
Shaft through which power is transferred from the input components to the output components.
intermittent
Glossary “intermittent” Definition:
A fault that occurs now and then in an electrical circuit, referring to occasional opens, shorts, or grounds
intermittent duty
Glossary “intermittent duty” Definition:
A service requirement that demands electrical or mechanical operation for alternate intervals of load and no load; load and rest; or load, no load, and rest.
intermediate clutch
Glossary “intermediate clutch” Definition:
Clutch which must be applied in order for the automatic transmission to deliver second or intermediate range.
intermediate color
Glossary “intermediate color” Definition:
A mixture of an adjacent primary and a secondary color, such as red-orange, red-violet, blue-green, or blue-purple.
intermediate drive shaft
Glossary “intermediate drive shaft” Definition:
Located between the in-board and out-board CV joints, it equalizes drive shaft length.
intermediate gear
Glossary “intermediate gear” Definition:
A small torque increase obtained from a planetary gear set when the sun gear is held and power is applied to the internal gear.
intermediate lever
Glossary “intermediate lever” Definition:
Part of the parking brake linkage under the vehicle that increases application force and work with the equalizer to apply it equally to each wheel.