Working Hours
  • Mon 7:00AM - 5:00PM
    Tue 7:00AM - 5:00PM
  • Wed 7:00AM - 5:00PM
    Thu 7:00AM - 5:00PM
  • Fri 7:00AM - 5:00PM
    Sat Closed
  • Sun Closed
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601-825-1983 | 125 Old Highway 80, Brandon, 39042

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

Darrell's Auto Electric & Complete Auto Repair

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 Darrell's Auto Electric & Complete 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.

More AC Repair Services:

Truck and Car AC Repair Services

Freon Recharging Services For Your Car Or Truck

AC Evaporator Services


What Our Customers Are Saying

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The ONLY place I will have any of my vehicles worked on! Expertise, Reliabilty, Great Communication, Time Sensitive, Friendly, Honest, Family Owned and Operated, are just a few reasons Darrell's is my CHOICE! They were definitely the best part of a bad situation when it came to repairs on my car!

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Wonderful honest people that do an excellent job! Darrell's is the only place I would allow to work on our vehicles!

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Only people that work on my vehicles. Hands down the best!

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Wonderful service and wonderful people. THE place I trust to work on my cars.

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Been using Darrell's FOR YEARS. They've got a VERY knowledgeable crew and are VERY nice!

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We've been taking our vehicles to Darrell's for over 11years. They've always done a great job! They explain their work, costs are fair and the turnaround time is pretty quick. My only wish is that they were open on Saturdays. Their hours are Mon - Fri 7am to 5pm. I definitely recommend Darrell's!

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  • Call Us For Service: 601-825-1983