ASE Auto Maintenance and Light Repair Terms & Definitions Practice Test

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Camshaft lobe
A device that converts heat energy into mechanical energy.
Automatic temperature control system
An engine driven device that compresses refrigerant gas and pumps it through the air-conditioning system.
The eccentric on a camshaft that acts on lifters or followers in turn, other valvetrain components as the camshaft is rotated, to open the intake exhaust valves.