ASE Auto Maintenance and Light Repair Terms & Definitions Practice Test

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Automatic temperature control ATC system
A material such as ethylene glycol, which is added to water to lower it's freezing point; used in an auto mobiles cooling system.
A climate control system that uses the heating and air-conditioning system to maintain that interior temperature selected by the vehicles passengers.
Engine coolant temperature sensor
The bearing areas of a crankshaft are the main rod journals.