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

Working Hours
  • Mon 7:00AM - 6:00PM
    Tue 7:00AM - 6:00PM
  • Wed 7:00AM - 1:00PM
    Thu 7:00AM - 6:00PM
  • Fri 7:00AM - 6:00PM
    Sat 7:30AM - 3:00PM
  • 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 Auto Service with Steve, 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

    Maria and I were looking for a reliable mechanic for our vehicles. A friend of ours geoff recommended Steve. Steve did a great job, reliable and a trustworthy car doctor.... thank you steve.

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    Auto Service With Steve Inc diagnosed my problem honestly and solved the issue with integrity. Nice guys!

  • reviewicon

    Excellent service, very friendly and helpful mechanics.

  • reviewicon

    Steve offers something not found often..honesty and affordability !!

  • reviewicon

    I'm from North Carolina, and needed some emergency repairs. Steve got it done quickly even though I was late for my appointment and it was a Saturday. He alerted me to an additional problem that I knew existed, so I know he was being honest. He did not push at all when I denied the additional repair. If I don't edit this review, assume that my car held up for the 13 hour drive ahead of me.

  • reviewicon

    I highly recommend this business for all your car needs. They are very honest, reliable and affordable.

Call us for service: 847-657-8452

BumperToBumper Certified Service Center
Glenview Illinois Chamber of Commerce
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