Glossary “LVLP” Definition:
Low Volume, Low Pressure
l
LVW
Glossary “LVW” Definition:
Loaded Vehicle Weight (curb weight plus 300 pounds)
lwr
Glossary “lwr” Definition:
Acronym form of Lower
luminescent
Glossary “luminescent” Definition:
The property of a material which emits light when energized by radiant energy.
LUS
Glossary “LUS” Definition:
Lock Up Solenoid
lumen
Glossary “lumen” Definition:
Unit of measure for the amount of energy in a beam of light.
lumen rating
Glossary “lumen rating” Definition:
The measurement of a lamp’s brightness.
lugging
Glossary “lugging” Definition:
Running an engine at less than normal rpm, under load.
lumbar support
Glossary “lumbar support” Definition:
Seat support for the lumbar portion of the occupant’s body.
lubrication system
Glossary “lubrication system” Definition:
The oil pump, filter, hoses, lines and passages in an engine that facilitate the lubrication of all moving parts.
lug bolt
Glossary “lug bolt” Definition:
Hex-headed, threaded bolt used to hold the wheel on a vehicle.
lug nut
Glossary “lug nut” Definition:
Hex-sided, threaded device used to hold the wheel on a vehicle having lug studs.
lug stud
Glossary “lug stud” Definition:
Threaded protrusion used with a lug nut to hold the wheel on a hub.
LU-Jetronic
Glossary “LU-Jetronic” Definition:
US version of a Bosch pulsed-electronic, fuel-injected system having a lambda sensor.
lubricant
Glossary “lubricant” Definition:
1). A substance, usually petroleum based, used to coat moving parts to reduce friction between them. 2). Synthetic product, like poly alkaline glycol (PAG) and ESTER used with new refrigerants. 3). Term used to identify an organic mineral-based grease or oil products, that is placed between two moving parts to reduce friction.
lubrication guide book
Glossary “lubrication guide book” Definition:
Specially prepared publication, detailing required lubrication services with related information for each make and model of automobile.
lubrication interval
Glossary “lubrication interval” Definition:
Manufacturer’s recommended mileage and/or time limit when periodic lubrication services should be performed as a part of a preventative maintenance program.
LSA
Glossary “LSA” Definition:
Left Side Airbag
LSC
Glossary “LSC” Definition:
Low Swirl Combustion
LT
Glossary “LT” Definition:
Light Truck