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
    , 09/25/2023

    These guys are great! It is such a relief to finally find an honest shop. I will be using them again.

  • reviewicon
    , 09/07/2023

    HIGHLY RECOMMEND Hill's Auto Repair!

  • reviewicon
    , 09/06/2023

    They do great work here.

  • reviewicon
    , 09/04/2023

    I was quoted $1,800 for this job at Mr Tire Hills. Got me on the road for $200 they now have a lifelong customer great job.

  • , 08/27/2023

    Great tune up, the truck runs like it's brand new! As always they do the repair(s) right the first time. I will not take my vehicles anywhere else but Hill's Auto!

  • , 08/12/2023

    We are a two generation family of Jerry and Hills Auto Service. Quite simply, Jerry and his team are THE BEST auto repair facility for both new and antique vehicles. My Mom and Dad service their BMW and Lexus there, despite having prepaid maintenance plans because we trust Jerry and his team 150%. I've rebuilt almost a dozen antique cars over the year with Hills, from a 1975 Ford Mustang II to a 1991 Mercury Capri. Nothing is too difficult or complicated for their team to fix. And their ability to source parts for older vehicles is amazing. They are like family to us and I recommend Hills very, very highly. Don't go anywhere else - honesty, competitive pricing, and excellent service is always at Hills.

Call us for service: 301-769-2400

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