Glossary “Suburban” Definition:
Truck-based station wagon marketed by GM.
s
suction
Glossary “suction” Definition:
A negative pressure.
suction accumulator
Glossary “suction accumulator” Definition:
Term used for accumulator.
suction accumulator/drier
Glossary “suction accumulator/drier” Definition:
Term used for accumulator.
substrate
Glossary “substrate” Definition:
1). Supporting structure in a catalytic converter where the catalyst is applied. 2). Physical support material or foundation upon which an integrated circuit is fabricated.
subcooling
Glossary “subcooling” Definition:
Cooling of a liquid below its condensing temperature.
subframe
Glossary “subframe” Definition:
Partial front or rear chassis frame often used in unibody design to support engine or suspension assemblies.
submerged arc welding (Saw)
Glossary “submerged arc welding (Saw)” Definition:
Process where a weld is made by feeding a bare wire into a blanket of granular fusible flux.
subcooler
Glossary “subcooler” Definition:
Section of liquid line used to ensure that only liquid refrigerant is delivered to the metering device; may be a part of the condenser or may be placed in the drip pan of the evaporator.
STV
Glossary “STV” Definition:
Suction Throttle Valve
STVS
Glossary “STVS” Definition:
Secondary Throttle Valve System
Sub EGR Control Valve
Glossary “Sub EGR Control Valve” Definition:
Vacuum valve used on Chrysler/Mitsubishi 2.6 L engines that is operated mechanically by means of the throttle linkage, so it varies the signal to the EGR valve according to the position of the accelerator pedal.
subassembly
Glossary “subassembly” Definition:
Self-contained group of parts of components that are a part of the whole overall assembly.
stumble
Glossary “stumble” Definition:
1). Tendency of an engine to falter and catch, resulting in a hesitation. 2). Momentary abrupt deceleration during acceleration.
stud mounted rocker arms
Glossary “stud mounted rocker arms” Definition:
Individually mounted rocker arms with the use of a stud and ball.
stud spot welder
Glossary “stud spot welder” Definition:
It joins pull rods on the surface of a panel so that you do not have to drill holes. It is the best way to pull dents from a panel.
studded tires
Glossary “studded tires” Definition:
Tire that provides improved traction on ice, but are prohibited by law in many states because their use resulted in road-surface damage.
stub frame
Glossary “stub frame” Definition:
Term used for sub frame.
stub shaft
Glossary “stub shaft” Definition:
Live axle end at the outside of the outboard CV joint on a front wheel drive axle shaft.
stubby screwdriver
Glossary “stubby screwdriver” Definition:
Screwdriver with a very short shank for use in tight or restricted areas.