Working Hours
  • Mon 7:30AM - 5:30PM
    Tue 7:30AM - 5:30PM
  • Wed 7:30AM - 5:30PM
    Thu 7:30AM - 5:30PM
  • Fri 7:30AM - 5:30PM
    Sat Closed
  • Sun Closed
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662-393-4468 | 9050 Hwy 51 North, Southaven, 38671

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

Southaven Car Care

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 Southaven Car 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.

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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This shop does all my maintenance. Does it right the first time.

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Best Automotive shop in Southaven!!

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Thanks guys for getting me back on the road at such a fair and honest price. You are the bomb diggity.

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I have known Tom the owner for a long time he has always taken care of my vehicles well! Never had a problem! Matter of fact I'm taking another car to him soon for a oil leak!!

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Good reliable service!

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Very friendly and professional, they do great work and they explain why they need to do what they are going to do.

  • BBB Accredited Business
  • ASE Master Technician
  • NFIB (National Federation of Independent Business)
  • Jasper
  • UniSelect - AS+
  • ALL-DATA
  • IDENTIFIX
  • MITCHELL 1
  • Interstate Batteries
  • Moog
  • Motorcraft
  • Wagner
  • Borg
  • Car Care Aware
  • Call Us For Service: 662-393-4468