Working Hours
  • Mon 8:30AM - 5:30PM
    Tue 8:30AM - 5:30PM
  • Wed 8:30AM - 5:30PM
    Thu 8:30AM - 5:30PM
  • Fri 8:30AM - 5:30PM
    Sat Closed
  • Sun Closed
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662-890-2543 | 7120 Hwy 178, Olive Branch, 38654

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

Jun's Quality Auto Services

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 Jun's Quality Auto Services, 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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Jun's Quality provides exceptional care, even with my 2003 Town and Country. It now runs great with 200,000 miles on it. The service is not cheap... quality never is, but Jun's service is quality. He works on both my vehicles.

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Road trash blew into the front of my car, breaking my air condenser on a trip I was taking for pleasure. I pulled off the highway & asked for a repair shop. The most professional, friendly, clean and hospitable place. Repair was quick and feasible. It was absolutely pleased and made an otherwise terrible experience actually a ?silver living?!

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Excellent service. Reasonable pricing. Only place I go now.

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Best service around and we always know our vehicles are fixed right and safe! Jun thank you for your wonderful service over the years!!

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Great Service. Reasonable Price. Knowledgeable Owner/Mechanic. Highly Recommended!

  • ASE (Automotive Service Excellence)
  • IATN (International Automotive Technicians' Network)
  • Jasper
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  • NAPA
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  • Call Us For Service: 662-890-2543