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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 LT Foreign Car Service German & Japanese Auto Repair, 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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Much cheaper than dealership pricing!
Kenneth M Kniaz, 12/05/2022
LT Foreign Car Service expertly diagnosed and repaired, in less than a day, the electrical issues with my 2001 BMW 3301 that had knocked out my entire dashboard mechanism. LT also fixed my A/C malfunction, which was also caused by a wiring issue, rather than having to replace my entire A/C system. This is an honest shop, with reasonable pricing who provide first class expertise. They deserve all the business they can handle by owners of foreign motor vehicles. Do not be fooled by the lack of parking space at their location. The German tech shop which had been repairing my BMW for many years would not address the electrical issues to repair the dashboard of my 2001 330i because of the complexities and there were no guarantees they could fix it. All I got from LT Foreign Car Service were positive results, friendly customer service and a new No.1 auto repair shop for my BMW. I can not recommend LT Foreign Car Service highly enough!