ASE Auto Maintenance and Light Repair Terms & Definitions Practice Test

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Air pump
Device to produce a flow of air at higher then atmospheric pressure. Normally referred to as a Thermactor air supply pump.
A friction reducing bearing that uses a series of steel balls held between inner and outer bearing races, such as in a roller clutch.
And organic chemical compounds made up of carbon, Coreen and fluorine atoms, usually used in refrigeration. R12 is a CFC.
Automatic transmission fluid