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

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 Dealer Connection 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

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Testimonials

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    I just picked up my 1996 Ford Ranger after repairs there(clutch and ball joints). The staff was great! They repaired it quickly! They kept the car clean and the pricing was good too! The truck runs great! Thanks for the great job! I will definitely recommend them to everyone I know! THANKS AGAIN!

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    These guys are awesome!!! Rob and his crew got me back on the road fast. My car broke down and they got it right in and fixed fast!

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    Rob and his crew are GREAT at diagnosis and repairs! I've been using Rob for more years than I can remember and I always walk away feeling good about the repair and the value. I now send my adult children to Rob. Fair pricing, trustworthy, good work.