DICTIONARY OF AUTOMOTIVE TERMS - "A"

A
  1. Abbreviation or symbol for
  2. Designation for A roads in Britain
A-2 tire
Tire sizes 16.00 and larger in nominal cross section.
  • Also called earthmover, off-road, or off-the-road tire.
A4R70W
Acronym for Automatic Overdrive Electronic Wide Ratio Transmission
AA
Acronym for Automobile Association a term used in Britain.
AAA
Acronym for American Automobile Association
AABM
Acronym for Association of American Battery Manufacturers, Inc.
AAC
Acronym for Auxiliary Air Control Valve
AADT
Acronym for Annual Average Daily Traffic -- a measure of traffic flow.
AAE
Acronym for Association of Automotive Employers (Poland).
AAIA
Acronym for Automotive Aftermarket Industry Association.
AALA
Acronym for American Automobile Labeling Act
AAM
Acronym for Alliance of Automobile Manufacturers.
AAP
Acronym for auxiliary acceleration pump
A arm
See
A-arm
a-arm

A-arm

A suspension linkage formed in the shape of an A or V found commonly on the front suspension.
  • The sides of the two legs of the A-arm are connected to the chassis by rubber bushings and the peak of the A-arm is attached to the wheel assembly.
  • In this way, the wheel can freely move up and down.
  • Sometimes there is an upper A-arm, a lower A-arm, or both upper and lower A-arms.
  • The British call it a wishbone.

A-arm suspension
AAS
Acronym for air aspirator system.
AASHTO
Acronym for American Association of State Highway and Transportation Officials
AAV
Acronym for Anti-Afterburning Valve (Mazda)
AAWF
Acronym for Annual Average Weekday Flows -- a measure of traffic flow.
AAWT
Acronym for Annual Average Weekday Traffic -- a measure of traffic flow.

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