Why is Orifice Tube there in your car’s AC system? Among many other parts that keep the car AC system running, Orifice Tube is the one that is critical to the optimum functioning of the car air conditioners.īefore the auto part experts of the highly acknowledged and world-renowned dealers of Leyland Truck Parts get straight down to why orifice tubes malfunction and signs they roll out when they rear the impending failure, let first understand the reason why they are a part of a car’s air conditioning system. We know why air conditioning systems are put in cars, obviously to keep the passenger compartment of a car cool and airy. Orifice Tube is a device that plays a quintessential role in the high mileage automobiles. Often fixing a "bad orifice tube" requires replacing the entire evaporator assembly.The spare parts industry pundits of one of the leading suppliers of Spare Parts for Ashok Leyland in this blog would like to discuss in detail the symptoms and accordingly the replacement procedure of car air conditioning orifice tube, or most commonly known as the expansion valve. However, like the expansion valve the orifice tube regulates refrigerant flow through the system and filters debris which may come through in its screen. It therefore cannot vary the flow of refrigerant into the evaporator, but rather causes a permanent restriction in the system. Orifice Tubes: Unlike the expansion valve, the orifice tube is a simple fixed device with no moving parts.Talk to one of the pro mechanics at Spencer Auto Supply & Hardware, as this part can be replaced on its own and does not require the entire replacement of the AC assembly. This process of metering the refrigerant adjusts the flow according to the temperature of the refrigerant in the evaporator coil. The expansion valve is a complex valve that regulates refrigerant flow. Expansion Valves: Too much refrigerant causes your evaporator to get too cold whereas too little refrigerant would result in inadequate cooling.A failing expansion valve or orifice tube often causes a vehicle's air conditioner to blow hot air. It calculates the precise amount of refrigerant that can safely go into the evaporator. Your car or truck's AC system is under extreme pressure and the thermal expansion valve or orifice tube monitors the amount of pressure and the temperature of your A/C system. 60 | 48 W Tioga Street, Spencer, 14883 Replace Your Car's AC Thermal Expansion Valve or Orifice Tube
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