Glossary “fan” Definition:
1). Device having two or more blades attached to the shaft of a motor. 2). Device mounted in the heater/air-conditioner duct that causes air to pass over the heater core and evaporator. 3). Device having four or more blades, mounted on the water pump, that causes air to pass through the radiator and condenser. 4). Spray pattern of a paint spray gun. 5). The incorrect technique of applying paint by waving a spray gun back and forth with the wrist.
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fan belt
Glossary “fan belt” Definition:
Flexible V-,or flat poly-grove-type drive belt that transfers power from the crankshaft pulley to the water pump and/or accessories, such as the alternator.
fan blade
Glossary “fan blade” Definition:
Four or more blades on the fan, usually spaced unevenly to reduce vibration and noise.
Failure Mode Effects Management (FMEM)
Glossary “Failure Mode Effects Management (FMEM)” Definition:
Strategy designed to reduce the adverse effects that may be caused by a sensor failure. Should a sensor fail, the PCM substitutes a good sensor signal in its place. This allows the engine to keep running so the vehicle can be driven in for service.
failure records
Glossary “failure records” Definition:
Failure records data is a GM enhancment of the OBDII freeze frame feature
falling edge
Glossary “falling edge” Definition:
Waveform showing the voltage decreasing or falling.
failure
Glossary “failure” Definition:
System or device that fails to function as designed.
failure code
Glossary “failure code” Definition:
Term used for trouble code.
fading
Glossary “fading” Definition:
A gradual decrease in the brilliance of a color.
Fahrenheit (F)
Glossary “Fahrenheit (F)” Definition:
Scale of temperaure measurement. Water freezes at 0¡ãF and boils at 212¡ãF.
fail record
Glossary “fail record” Definition:
Stores information about operating conditions when a DTC is stored. PCM has the ability to store multiple Fail Records, and it also has the ability to update Fail Records.
Fail Safe
Glossary “Fail Safe” Definition:
Back-up design to enable minimal system operation in the event of a sensor or other failure.
factory specs
Glossary “factory specs” Definition:
Manufacturer’s dimensions, clearances, tolerances or torque specifications.
factory team
Glossary “factory team” Definition:
Racing team sponsored and supported by a vehicle manufacturer.
factory tool
Glossary “factory tool” Definition:
Tool designed by a vehicle manufacturer for a specific application.
fade
Glossary “fade” Definition:
Term used when referring to brake fade.
face feed
Glossary “face feed” Definition:
Application of a filler metal to a joint during brazing and soldering.
face of metallic color (tinting)
Glossary “face of metallic color (tinting)” Definition:
The appearance of a color when viewed from the perpendicular (90¡ã angle).
face shield
Glossary “face shield” Definition:
Clear plastic shield that protects the entire face from outside elements.
facing surface
Glossary “facing surface” Definition:
Mating surface of a member that is in contact or in close proximity with another member to which it is to be joined.