Glossary “sun gear shell” Definition:
Drum which houses other assemblied components, which features a sun gear as a part of its design.
sun gear
Glossary “sun gear” Definition:
Central gear of the planetary gearset around which the other gears rotate.
sump
Glossary “sump” Definition:
1). The bottom part of some compressors that contains oil for lubrication of the moving parts of the air conditioning compressor. 2). Reservoir for oil at the bottom of an engine. 3). The oil pan, or reservoir, that contains a supply of fluid for the transmissions hydraulic system
sulfuric acid (H2SO4)
Glossary “sulfuric acid (H2SO4)” Definition:
An electrolyte (35% acid, 65% water) used in automotive batteries.
sulfur oxides
Glossary “sulfur oxides” Definition:
Small amounts of acids that forms as a result of a reaction between the hot exhaust gas and the catalytic converter catalyst.
sulfation
Glossary “sulfation” Definition:
The lead sulfate that builds up on a battery as a result of battery action that produces electric current.
sulfated battery
Glossary “sulfated battery” Definition:
Battery condition where sulfate has built up on the plates to the extent that it can no longer be charged.
SULEV
Glossary “SULEV” Definition:
Super Ultra Low Emission Vehicle
suicide front end
Glossary “suicide front end” Definition:
A term used for suicide front axle.
suicide front axle
Glossary “suicide front axle” Definition:
A special spring and front axle design for early Fords.
suicide doors
Glossary “suicide doors” Definition:
Vehicle doors that are hinged at the rear and open from the front.
suction throttling valve
Glossary “suction throttling valve” Definition:
Back-pressure regulated device that prevents freeze-up of the evaporator core.
suction side
Glossary “suction side” Definition:
That portion of a system that is under low pressure.
suction service valve
Glossary “suction service valve” Definition:
Term used for low-side service valve.
suction pressure
Glossary “suction pressure” Definition:
Compressor inlet pressure.
suction manifold
Glossary “suction manifold” Definition:
The point where vapor enters a compressor.
suction line regulator
Glossary “suction line regulator” Definition:
Device used to regulate the pressure in the suction line.
suction line
Glossary “suction line” Definition:
1). The line connecting the evaporator outlet to the compressor inlet. 2). A low-pressure line in a system usually used as a return line.
suction cup tool
Glossary “suction cup tool” Definition:
A large synthetic rubber cup for sticking onto parts. They are often used to hold window glass when holding or moving the glass, or also to pop-out large surface area dents in panels.
suction accumulator/drier
Glossary “suction accumulator/drier” Definition:
Term used for accumulator.