Glossary “line bore” Definition:
Method of refinishing the main bearing bores to assure correct alignment.
l
limp in mode
Glossary “limp in mode” Definition:
Driveability condition where the Logic Module has recorded a fault in the on-board computer system and has substituted a known value for the failed input. When this occurs, driveability characteristics are greatly affected, but will allow the operator to get to a repair facility.
line and hose tape
Glossary “line and hose tape” Definition:
Type of insulation tape.
limited slip differential gear oil
Glossary “limited slip differential gear oil” Definition:
Specially formulated gear oil required in limited-slip differentials because of the extreme pressures on the clutch cones or clutch plates and discs.
limiting valve
Glossary “limiting valve” Definition:
Term used for front axle limiting valve.
limits
Glossary “limits” Definition:
Maximum and minimum values designated for a specific element or component.
limo
Glossary “limo” Definition:
Short for limousine.
limousine
Glossary “limousine” Definition:
1). A chauffeur driven formal sedan having a glass partition separating the driver from the passengers. 2). A bus or van used to carry people to and from an airport or bus station.
light temperature
Glossary “light temperature” Definition:
A rating of lighting in “Kelvin”. For painting, a lamp rating or temperature of 6,000 – 7,000 Kelvin is recommended.
lightweight leaf spring
Glossary “lightweight leaf spring” Definition:
A fiber-composite spring.
limited production option (LPO)
Glossary “limited production option (LPO)” Definition:
New car equipment available for a limited market, such as a high-performance police package.
limited slip differential
Glossary “limited slip differential” Definition:
A differential having special friction mechanisms tending to keep both rear-axle shafts rotating at the same speed, regardless of unequal tire-to-road surface friction.
light body filler
Glossary “light body filler” Definition:
A filler formulated for easy sanding and fast repair. It is used as a very thin top coat of filler for final leveling.
light duty vehicle
Glossary “light duty vehicle” Definition:
Any motor vehicle rated at 8,500 GVWR or less, having a curb weight of 6,000 pounds or less, and having a frontal area of 45 square feet or less.
light emitting diode (LED)
Glossary “light emitting diode (LED)” Definition:
Semiconductor diode that radiates light when the junction is forward biased and a specified current flows through the diode.
light end hydrocarbons
Glossary “light end hydrocarbons” Definition:
Term used to denote hydrocarbons from crude distillation that are low density (lighter weight than gasoline) and have low boiling temperatures. Butanes are the most common light end hydrocarbons used in gasoline.
light off, mini oxidation catalytic converter
Glossary “light off, mini oxidation catalytic converter” Definition:
Small catalyst mounted just behind the exhaust manifold that gets hot very quickly after the engine is started, so that it begins working in time to neutralize much of the extra pollution that is produced during cold running.
liftback
Glossary “liftback” Definition:
Rear luggage compartment that is an extension of the passenger compartment with access gained through an upward-opening, hatch-type door.
lifter
Glossary “lifter” Definition:
1). Part between the camshaft and push rod on an OHV engine. 2). Part between the camshaft and valve stem on an OHC engine. 3). Also known as follower.
lifter bore
Glossary “lifter bore” Definition:
Bole in which a valve lifter is located.