Replace Your Car's AC Thermal Expansion Valve or Orifice Tube
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. It calculates the precise amount of refrigerant that can safely go into the evaporator. A failing expansion valve or orifice tube often causes a vehicle's air conditioner to blow hot air.
Replace or Repair
- Expansion Valves: Too much refrigerant causes your evaporator to get too cold whereas too little refrigerant would result in inadequate cooling. The expansion valve is a complex valve that regulates refrigerant flow. This process of metering the refrigerant adjusts the flow according to the temperature of the refrigerant in the evaporator coil. Talk to one of the pro mechanics at Leo's Auto Care, as this part can be replaced on its own and does not require the entire replacement of the AC assembly.
- Orifice Tubes: Unlike the expansion valve, the orifice tube is a simple fixed device with no moving parts. It therefore cannot vary the flow of refrigerant into the evaporator, but rather causes a permanent restriction in the system. However, like the expansion valve the orifice tube regulates refrigerant flow through the system and filters debris which may come through in its screen. Often fixing a "bad orifice tube" requires replacing the entire evaporator assembly.
Reviews
My car had a stripped oil pan hole and bolt issue that other shops were quoting me for based on an entire oil pan replacement. Leo's shop was the only place that offered to rethread the hole to correct it (without replacing the entire pan) instead. This was a cheaper option that saved me hundreds. I also had some other maintenance work done that was affordable and I knew was needed eventually based on previous inspections. Casey Stewart, 07/05/2024 |
I have been going to Leo's for a while now and they good work. I take my car to them because I trust them and value their honesty when it comes to fixing my car. I would recommend them if you need an honest opinion about your car. Roxie Mcilwain, 04/21/2024 |
Exceptional Lucinda Shepard, 04/10/2024 |