Glossary “free standing deck” Definition:
Engine block construction in which the cylinders are cast in place without being tied by the deck to the outer walls.
f
free travel
Glossary “free travel” Definition:
Movement of an operating part before it comes in contact with another part.
free vibration
Glossary “free vibration” Definition:
Continued vibration of an object after the outside force (originator) is removed.
freewheeling
Glossary “freewheeling” Definition:
Mechanical device in which a driving member imparts motion to a driven member in one directiononly, but not the other.
freewheeling clutch
Glossary “freewheeling clutch” Definition:
Mechanical device that will engage the driving member to impart motion to a driven member in one direction only, but not in the other. Also known as an overrunning clutch.
freewheeling engine
Glossary “freewheeling engine” Definition:
Engine that will not experience piston-to-valve interference if the timing belt or chain slips or breaks.
free electron
Glossary “free electron” Definition:
1). An electron that is not bound to a particular atom. 2). An electron that is in the valance shell of an atom with less than 4 electrons in that shell.
free flow exhaust
Glossary “free flow exhaust” Definition:
Exhaust system with reduced back pressure.
free play
Glossary “free play” Definition:
The distance the brake pedal moves before the master cylinder primary piston moves.
frame rails
Glossary “frame rails” Definition:
The fore-and aft members of a frame or underbody structure.
framed door
Glossary “framed door” Definition:
Type of door design, it surrounds the sides and top of the door glass with a metal frame, helping keep the window glass aligned.
franchised dealer
Glossary “franchised dealer” Definition:
Dealer that has a contract with the vehicle manufacturer to sell and service it vehicles.
Frantz oil filter
Glossary “Frantz oil filter” Definition:
The tradename of a popular filter that uses a roll of toilet tissue as its filtration medium.
free air delivery
Glossary “free air delivery” Definition:
Best measurement of an air compressor’s useful capacity, measured in standard cubic feet per minute (SCFM).
frame alignment
Glossary “frame alignment” Definition:
Measurement or the adjustment of a vehicle frame to ensure that it is within a manufacturer’s specifications.
frame horn
Glossary “frame horn” Definition:
The very front of the frame rails where the bumper attaches.
fraction
Glossary “fraction” Definition:
A number value that divides the inch into parts. It is used when precision is not critical.
fractionation
Glossary “fractionation” Definition:
Condition when one or more refrigerants of the same blend leak at a faster rate than other refrigerant in that same blend. Also used during the catalytic cracking process of petro-chemical compounds.
frame
Glossary “frame” Definition:
Substructure of a vehicle supported by the suspension system that supports the bodywork, engine, and power train.
FPRC
Glossary “FPRC” Definition:
Fuel Pressure Regulator Control