Glossary “single stage topcoat” Definition:
The colorcoat is of a single film construction, althrough, it is applied in more than one coat. The film thickness of single-stage colorcoats is about 2 mils.
single sided plastic welds
Glossary “single sided plastic welds” Definition:
Type of weld used when the part cannot be removed from the vehicle.
single reduction axle
Glossary “single reduction axle” Definition:
An axle assembly that has but one gear reduction through its differential carrier assembly.
single rear wheels (SRW)
Glossary “single rear wheels (SRW)” Definition:
Single wheels on either side of the drive axle of a rear-drive vehicle.
single pull method
Glossary “single pull method” Definition:
Method that uses only one pulling chain, it works well with minor damage on one part.
single plane manifold
Glossary “single plane manifold” Definition:
When each of a manifold’s barrels serve all of the engine’s cylinders.
single pass
Glossary “single pass” Definition:
Term applicable to a refrigerant recovery unit that removes refrigerant from the air conditioner and passes it through only one time on its way to the recovery cylinder.
single overhead camshaft engine
Glossary “single overhead camshaft engine” Definition:
An engine having a single camshaft mounted over each cylinder head.
single overhead camshaft (SOHC)
Glossary “single overhead camshaft (SOHC)” Definition:
Engine having one overhead camshaft per cylinder head..
single leaf spring
Glossary “single leaf spring” Definition:
A spring having one leaf that may be tapered thinner and wider toward the ends, allowing a variable flexing rate.
single grade
Glossary “single grade” Definition:
Oil that has been tested at only one temperature, and so has only one viscosity number.
single exhaust system
Glossary “single exhaust system” Definition:
When there is only one tailpipe at the rear of the vehicle.
single coat
Glossary “single coat” Definition:
Spray painting once over a surface, with each spray pattern pass overlapping the previous pass by 50 %.
single chamber capacity
Glossary “single chamber capacity” Definition:
Measurement of the maximum volume or displacement of the rotor chamber of a Wankel engine.
sine wave voltage
Glossary “sine wave voltage” Definition:
Oscilloscope pattern showing positive and negative voltage.
sine wave
Glossary “sine wave” Definition:
Common curved wave shape that is mathematically defined.
Simultaneously Fired
Glossary “Simultaneously Fired” Definition:
Type of fuel delivery system in which the fuel injectors are fired in groups once per engine revolution. Also referred to as ‘Bank or Gang fired”
Simpson gear set
Glossary “Simpson gear set” Definition:
Gear set having two simple planetary gears mounted on a common sun gear.
simple planetary gear set
Glossary “simple planetary gear set” Definition:
Gear set with a sun gear, planetary pinions, planetary carrier, and ring gear.
similar window
Glossary “similar window” Definition:
Pertaining to engine operation in which RPM and load are within predetermined percentages. Conditions in which certain monitors must pass to extinguish the MIL and erase DTC’s