805-527-7741 | 2010 Donville Ave, Simi Valley, 93065
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 BJ's Automotive, 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.
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Daniel N., 01/19/2024
We had a customer come in today on a Hyundai Sonata and wanted to get a personal inspection with a mechanic they use. I have to say that from the very moment we pulled in Sue was there to help. They went over and assessed whole vehicle and gave it a clean bill of health. But, it's not the clean bill of health that impressed me, it was the honesty and thoroughness in which they looked out for one of their own customers and wasn't looking to upsell. As well, it also shows the integrity we have as a company in the PreOwned vehicles we provide. I have seen other clients use various service centers in the local area (Simi, Conejo and San Fernando Valley) and get told they need to do a various service work like flushes and tune up, or something was leaking on a vehicle that was still under factory warranty. My bother-in-law and various friends and acquaintances use and recommended them and now I know why! The service and integrity of BJ's Automotive is just too notch!!!