Best Auto Repair, Aliso Viejo

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

Aliso Viejo Auto Service


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 Aliso Viejo Auto Service, 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


Reviews

Quote reviewiconDependable Auto Shop
Car & Truck Care, near Aliso Viejo, CA

I've entrusted my car with AVAS for every service my car has required for nine years. Never had to return for any corrections. Look no further if you are particular about your car and want things done right the first time. I especially enjoy interacting with Shane and Ralph. They also let me know about repairs that will be necessary in the future and help me prioritize which are the most important, never attempting to sell me on something that can safely be postponed. I haven't always been happy with the prices. But Having it done promptly and that it was done the right way is worth the peace of mind.

, 05/27/2021

Quote reviewiconAmazing Service
Car & Truck Care, near Aliso Viejo, CA

Excellent Customer Service, Friendly, Reliable & Honest. Would highly recommend.

, 05/10/2021

Quote reviewiconHonest Mechanic
Brakes, near Aliso Viejo, CA

I have 4 cares that Shane takes care of. I had a alternator replaced on my Honda and front brakes on my Jeep. Quality service and uses quality parts. Always checks overall needs for fluid even if it's not what it was brought in for. He has kept the Honda running for 165000 miles

, 05/04/2021

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