ASE Auto Maintenance and Light Repair
Terms & Definitions
Practice Test
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The electrical motor that drives the fan, which circulates air into the vehicle passenger compartment.
Electric current that flows in one direction, from positive to negative then reverses direction, from negative to positive.
Material that is manufactured by pouring it into a mold. It is more porous then forged material and does not conduct heat as well. It is less expensive to manufacture, however.
A door in the heating and air conditioning system that controls the temperature of the air going into the passenger compartment.