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MD 20794

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Columbia Fleet Service

 (39 Reviews)

Replace Your Car's AC Thermal Expansion Valve or Orifice Tube

Columbia Fleet Service


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 Columbia Fleet Service, 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.

More AC Repair Services:

Truck and Car AC Repair Services

Freon Recharging Services For Your Car Or Truck

AC Evaporator Services


Reviews

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Sebastian was a life saver he came roadside and towed me back to terminal safe&sound I refer anyone in the DMV area to use their services be sure to ask for Sebastian

, 10/02/2021

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Very professional and attentive to the customer's needs. Here's to jobs well done.

, 09/29/2021

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Sebastian was a great help to me when I broke my drive shaft he was a total professional when I was in a really bad situation I truly appreciate everything he did to get me safely off the side of the interstate

, 09/29/2021

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