Glossary “self-defrosting glass” Definition:
It has a conducting grid or invisible layer that carries electric current to heat the glass.
self-darkening filter lenses
Glossary “self-darkening filter lenses” Definition:
Welding filter lens that instantly turns dark when an arc is struck.
self-adjusting clutch
Glossary “self-adjusting clutch” Definition:
Mechanism that automatically takes up the slack between the pressure plate and clutch disc.
self-adjuster
Glossary “self-adjuster” Definition:
Mechanism on a drum brake that compensates for shoe-lining wear and keeps the shoe adjusted close to the drum.
select low
Glossary “select low” Definition:
Program used by the microprocessor to determine which wheel is beginning to lock up in a ABS.
seizing
Glossary “seizing” Definition:
The stiffening or “freezing” of a chain joint or shaft as a result of roughness and high friction caused by galling or lack of lubrication.
seized engine
Glossary “seized engine” Definition:
When the crankshaft will not turn.
seize
Glossary “seize” Definition:
Two moving parts that suddenly bind together, usually due to lack of lubricant. Also known as freeze-up.
segments
Glossary “segments” Definition:
1). A portion of a larger figure cut off by one or more lines of a plane. 2). The copper bars of a commutator.
SEFI
Glossary “SEFI” Definition:
Sequential Electronic Fuel Injection
sediment chamber
Glossary “sediment chamber” Definition:
A space below the cell plates of some batteries to permit the accumulation of sediment deposits flaking from the battery plates.
sedan
Glossary “sedan” Definition:
A two- or four-door vehicle with front and back seats that can accommodate four to six persons.
sed
Glossary “sed” Definition:
Acronym form of Sedan.
sector shaft
Glossary “sector shaft” Definition:
A shaft on which the sector gear is mounted.
sector gear
Glossary “sector gear” Definition:
Gear that converts the rotary motion of the worm in a recirculating ball or worm and sector steering gear to the straight line motion of the pitman arm.
sector
Glossary “sector” Definition:
A component that is not a complete circle, such as the gear on the pitman shaft of many steering systems.
sectioning
Glossary “sectioning” Definition:
A repair made by cutting and removing the damaged portion of a panel, and replacing it with an undamaged part, as opposed to replacing the damaged panel at the factory seam.
section width
Glossary “section width” Definition:
The straight distance from one sidewall of a tire to the other sidewall.
section repair
Glossary “section repair” Definition:
A body repair that is accomplished using a section of another identical vehicle.
section modulus
Glossary “section modulus” Definition:
Measurement of the strength of the vehicle frame side rails.