Best Auto Repair, Bushwood

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

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

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 Hill's Auto Repair, 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

  • reviewicon
    , 01/16/2023

    They were great! Very professional and work was done timely.

  • reviewicon
    , 01/06/2023

    We took our truck to Hill's Auto Repair for a waterpump replacement. We asked that they check the brakes etc to make sure everything else was OK. They called to say they needed to change the belts (which we expected) and water pump. They let us know everything else was fine. The price came in under what I expected and I was happy that unlike other shops I have used, they didn't try to push other repairs (that weren't needed). Ty Hill's. We will be back if we need anything else done!

  • reviewicon
    , 01/03/2023

    They accurately and honestly diagnosed my car's problems and charged me a reasonable price.

  • reviewicon
    , 12/06/2022

    I worked on the car for 4 days just couldn't get it right and they got it right in a couple hours.

Bushwood
  • reviewicon
    , 12/03/2022

    A Hills customer for many years and wouldn't go anywhere else! All around excellent service! They provide details on what is needed and make recommendations on the work that should be done right away to prevent bigger problems. You walk away with a plan and associated cost. Love them!!!

  • reviewicon
    , 11/25/2022

    Great place to take your car for service's on some repairs, the price is fair, and sometimes the price is to high, overall great place for service in Bushwood MD, also customer service is 100% out standing.

Call us for service: 301-769-2400

ASE (Automotive Service Excellence)
IATN (International Automotive Technicians' Network)
Jasper
NAPA
BG Products
Amsoil
  • Car Care Aware