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

Glenway Auto Center

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 Glenway Auto Center, 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

Glenway Auto Center Offers Auto Repair Services You Can Count On!

ACDelco
ASE (Automotive Service Excellence)
Federated Auto Parts
Jasper
BBB Accredited Business
BG Products
Napa
Car Care Aware

TESTIMONIALS

Grateful to Glenway Auto Center for helping my family in a difficult situation. My daughter was traveling across country moving from the East coast out West when her engine died 45 miles outside of Cincinnati. Phil was kind enough to let us have her car towed to the shop even though they were booked solid for The next week. They assess the situation the next day and provided options. Parts were ordered, the car and my daughter's belonging were kept safe and she was able to get back on the road again. Thank you Mike for all your help and for the great communication throughout the process. Much appreciation!
As always feel so safe after they work on my car. A piece of the splash guard was hanging down. Just noticed by accident. Took it in imminently and they reattached it.
Dropped my van off with engine locked up. They went out of their way to fix it at the lowest price possible by finding a used cylinder head. The van runs better than it ever has. Thank you Phil and your team!
Great job. Everyone is always Friendly.
Glenway Auto Center is a great place. Appointment scheduling is easy and service is always top notch and reasonably priced. Staff are professional and friendly. I highly recommend Glenway Auto Center.
Very friendly and professional Mike and Brad were right there to greet me and make my annual miniatous go by flawlessly. Thanks Glenway I'll be back!