Best Auto Repair, Waukesha

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

Working Hours
  • Mon 6:00AM - 3:00PM
    Tue 6:00AM - 3:00PM
  • Wed 6:00AM - 3:00PM
    Thu 6:00AM - 3:00PM
  • Fri 6:00AM - 12:00PM
    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 Redline Garage, 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

    Dan, Is honest fair, and works very hard to make sure the repair is done correctly and priced fairly.

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    Friendly work at a fair price!

  • reviewicon

    Excellent service and prices. Dan really does great work in a timely fashion, and they don't try to force "up-sell" of parts and services.

  • reviewicon

    Excellent service. I've taken my cars there for years. Great work and very reasonable prices. I always recommend Dan to my friends, because he's a good, reliable mechanic and they're hard to find!

  • reviewicon

    Top notch service. Dan clearly explained what the issue was so I would understand what needed to be fixed. He presented three options for the repair and gave his recommendation. My car was in and out before noon. All in all a great experience. I would strongly recommend Redline Garage!

  • reviewicon

    Dan, Is honest fair, and works very hard to make sure the repair is done correctly and priced fairly.

Call us for service: 414-378-4072

ASE (Automotive Service Excellence)
  • Car Care Aware