it is the part in an ac systems that restrics the flow of freon, making it get cold. always just before the evaporator Its more of a nozzle that converts the freon into gas. When freon is in its...
regulates the amount of freeon that is tuned into gas vapors intering the evaporator
expansion valve is a slide valve used in a steam engine to control the cut-off
Under the glove box it is in a big black box it
under the glove box