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    Tue 7:30AM - 5:30PM
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317-784-0928 | 6711 Madison Avenue, Indianapolis, 46227

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

Landrigan Auto Pro

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 Landrigan Auto Pro, 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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Landrigan Auto Pro gave me excellent advice on what services my car needed. They did the repair in a timely manner. I have been going to them for over 20 years. They have excellent customer service.

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Very impressed with their speedy services and availability, I was usually last minute with my needs and the staff were very kind and willing to help all they could. Never been disappointed with a service!

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My whole family always comes here for vehicle repairs or services.. I recommend for anyone with car problems

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Excellent service, at a reasonable price. very customer oriented and make you feel very welcome.

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Landrigan Auto Pro is the only shop I've ever taken my truck to. They are honest, get your vehicle back timely, and are have reasonable prices. I recommend them to everyone.

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Landrigan Auto Pro is the only shop I've ever taken my truck to. They are honest, get your vehicle back timely, and are have reasonable prices. I recommend them to everyone.

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  • Call Us For Service: 317-784-0928