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

Working Hours
  • Mon 7:30AM - 5:00PM
    Tue 7:30AM - 5:00PM
  • Wed 7:30AM - 5:00PM
    Thu 7:30AM - 5:00PM
  • Fri 7:30AM - 3:00PM
    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 West Side Automotive 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

What People Say About Us

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    I've had Tim (ASE Master Technician) and Nate work on my vehicles and they've always done great work at reasonable prices. Before I recently traded my old Pontiac Vibe in to the dealer, I had these guys get everything in tip top condition and Kocourek gave me a really good price. When my son was up here visiting, the heat shield bracket to the muffler had come loose and was making a terrible noise. These guys knew exactly what it was, got it up on the lift and 10 minutes later, finished. $10 bucks. All without an appointment. I've seen big rigs in there, so they know what they're doing. Highly recommended.

  • reviewicon

    These guys run a tight ship and are very professional. They obviously have years of experience. Their customer service is fantastic and I would recommend them to anyone who needs there car worked on!

  • reviewicon

    This is easily the best auto service within Marathon county, and I've been everywhere. The customer service is on par with a 5 star resort and hotel. Also when shopping around for the lowest price on a job or repair, this place always maintains the best price.

  • reviewicon

    This is my go-to auto service center. They're reasonably priced, offer quality service, and most of all, they're honest.

  • reviewicon

    West side auto has provided me excellent service time and time again...I couldn't be happier about their quality of work, great customer service, helpful attitude, and competitive pricing. I would recommend this shop above any others.

  • reviewicon

    This auto shop is one I trust. They always provide me options with their recommendation along with answering the whys. Highly recommended!

Call us for service: 715-842-0300

ASE (Automotive Service Excellence)
AutoPlus
Wix Filters
Interstate Batteries
Amsoil
Monroe
  • Car Care Aware