Working Hours
  • Mon 8:00AM - 5:00PM
    Tue 8:00AM - 5:00PM
  • Wed 8:00AM - 5:00PM
    Thu 8:00AM - 5:00PM
  • Fri 8:00AM - 5:00PM
    Sat 8:00AM - 12:00PM
  • Sun Closed
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513-887-0519 | 1270 Clinton Ave, Hamilton, 45015

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

Jim's Tire & 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 Jim's Tire & 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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Great job and excellent service from Alan and his team, as well as Sue!

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They work with you in any problem you may have. They always are polite and get the job done with all honesty. It may take a little while but they are sure to have the problem work out. They put in a new engine in my son's truck and works like a dream. We send people there all the time with ease. So look them up and check them out you'll see.

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They will inspect and plug any tire with a leak free of charge.

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This shop is absolutely wonderful! The gentlemen here are absolutely professional and GOOD people. I would recommend them to anyone and everyone I know!

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Always a great job done at really good prices. excellent service every time. You should make them your regular shop for tires and service.

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I trust this auto mechanic and they are reasonably priced.

  • Goodyear Tires
  • BBB Accredited Business
  • Jasper
  • IDENTIFIX
  • Car Care Aware
  • Call Us For Service: 513-887-0519