DARRELL'S FIRESTONE
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 Darrell's Firestone, 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 People Say About Us
I cannot say how happy I was to see this place! The air pressure in my tires was low and one was dangerously low. Every gas station air machine that I passed was out of order. I pulled into Firestone and the super nice guys filled ALL my tires with a smile. THANK YOU!
Great service!
Charles Jones, 01/06/2022
Professional work at reasonable prices.
Aadisesh Sampath, 12/10/2021
I took my old Ford Ranger in for a fuel leak. They fixed that problem and also found some broken, rusted out parts that were making the ride extremely rough. They replaced the shackles and tie rods and the truck rides better than it has in years.
I had an emergency with my lug nuts coming off and post breaking while I was driving and was pretty far from my house. I called the nearest tire shop and spoke with Jason about my situation. I'm so glad I went to Darrell's Firestone because they were super nice, fit me in asap and made sure my car was safe to drive home. I am super grateful. Would totally go there again when I don't have an emergency!
My 1996 Chevy pick up started running rough. I took it to Darrells. The mechanic worked his tail off to diagnose a very rare and strange issue. He was able to fix it and came in 600 dollars under the quote. Chris was my customer service agent and he was amazing. He kept me informed and was very thorough in his explaining the issue. This garage is trustworthy and honest as the day is long. I will come back for any and all of my mechanical and maintenance needs.
