Working Hours
  • Mon 7:30AM - 5:30PM
    Tue 7:30AM - 5:30PM
  • Wed 7:30AM - 5:30PM
    Thu 7:30AM - 5:30PM
  • Fri 7:30AM - 5:30PM
    Sat Closed
  • Sun Closed
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517-782-8116 | 2424 Wildwood Ave, Jackson, 49202

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 Blair's Car Care, 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.


What Our Customers Are Saying

reviewiconLong Time Favorite

Great place at fair prices. Been using them for years. Thanks again guys!

, 01/12/2021

reviewiconHonest Auto Shop

Highly recommend Blair's car care to anyone looking to have service done on their vehicles. They have fair pricing and are good honest people that only do what's neccessary to fix your vehicle right. They saved me a lot of money by fixing my high pressure fuel pump versus replacing it with a new one. Thanks again!

, 01/11/2021

reviewiconGreat Customer Service

My experience with these folks and this shop has been exceptional! They assessed the problem - advised me of the problem, quoted the cost and performed the work as expected.

, 01/07/2021

reviewiconFair Prices, Great Work

Excellent, timely and complete service at a very reasonable price. Excellent value and customer service and responsiveness.

, 01/04/2021

reviewiconAmazing Service

They are respectful and will try their hardest to fix what you need, they are also good with prices!

, 12/24/2020

reviewiconKnowledgeable Mechanics

I've taken my older vehicle there several times. They always repair what needs to be done and when there are areas of concern, they let me know, but don't pressure me to repair them the same time unless it's critical. They explain what can wait and what to be concerned about.

, 12/09/2020
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  • Call Us For Service: 517-782-8116