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 Closed
  • Sun Closed
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269-324-0700 | 1903 W Osterhout Ave , Portage, 49024

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

R&T Auto Repair Inc.

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 R&T Auto Repair Inc., 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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Best wrench in town

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Knowledgeable team, friendly service, $15.95 oil changes!

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r&t is a great place for poeple to bring their cars. they do a great job on your car

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Great service, get you in and done quickly, very thorough in checking your vehicle over, highly recommended

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R&T is a great shop. We have taken both our higher-mileage vehicles here for over 3 years now and have no complaints. Their prices are VERY reasonable especially compared to car dealerships' service departments. And, there have been several occasions in which their mechanics have gone "above and beyond" in helping us to get our vehicles out the door and back on the road so that we can keep other commitments. Call early for your appointment, though, because they are always busy!

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Knowledgeable staff, they're polite answer your questions, they inform you of any possible problems with your vehicle, fair priced and overall they do great work

  • ACDelco
  • ASE (Automotive Service Excellence)
  • IDENTIFIX
  • IATN (International Automotive Technicians' Network)
  • Jasper
  • ASE Master Technician
  • Auto Value - CSC
  • Autowares
  • Motorcraft
  • Car Care Aware
  • Call Us For Service: 269-324-0700