Best Auto Repair, Northampton

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  • Mon 8:00AM - 5:00PM
  • Fri 8:00AM - 5:00PM
  • Tue 8:00AM - 5:00PM
  • Sat 8:00AM - 12:00PM
  • Wed 8:00AM - 5:00PM
  • Sun Closed
  • Thu 8:00AM - 5:00PM
  • WE WILL BE CLOSED 09/04-09/06 FOR LABOR DAY


    State Inspection hours 8AM - 4PM Monday - Friday, Saturday 8AM - 11AM

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 8:00AM - 12:00PM
  • Sun Closed
    WE WILL BE CLOSED 09/04-09/06 FOR LABOR DAY


    State Inspection hours 8AM - 4PM Monday - Friday, Saturday 8AM - 11AM

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 Pro Lube Auto Center, 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

    As the owner of Blanchard & Daly electric I have to have my work vehicles serviced regularly, Pro Lube has provided a service that is second to none! They are professional, knowledgeable, prompt, friendly and courteous, I highly recommend them for all your vehicles needs!

  • reviewicon

    I've been a customer for many years and they keep my car running great. Professional and courteous staff! Save yourself time and frustration, just bring your car here!

  • reviewicon

    They really came through for me when I had a flat in town. Great staff, made dealing with it easy. Thank you!

  • reviewicon

    2 days ago I was driving to work with a busted windshield wiper, it was flopping all over while I was on the highway. I needed to be at work at 8:30 but it was too dangerous to drive. While driving I called prolube the minute they opened at 8 and I was back on the road to work at 8:11. I wasn't even late to work. Very impressed!!

  • reviewicon

    Went in for an inspection. In and out in less than 25 minutes, mechanics are cool, no upsells.

  • reviewicon

    Been going to John and his crew for decades now. Always an honest assessment of my vehicles, a fair cost estimate and he stands behind his work.

Call us for service: 413-586-5640

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