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 Closed
  • Sun Closed
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561-686-8488 | 1781 Latham Rd, West Palm Beach, 33409

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

P & J's Automotive

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 P & J's Automotive, 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 Our Customers Are Saying

Great service today as its always is. Standard Dealerships in the area could learn a lesson from you. Keep up the great work.

, 04/30/2020

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Awesome mechanics trustworthy and are willing to work with you it was my first time Going through them and came out Great I Definitely recommend them and will for sure come back for future repair and maintenance

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They are the best, bar none. Highly competent, unquestionably honest, Fairly priced. don't go anywhere else if you can help it.

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Wonderful! Finding this place was a blessing! First of all they were super speedy! I took my car in one day, and got it back the following evening. My car now runs like new! I am a college student from Ohio, down here by myself. I did not feel taken advantage of at all! They treated me very well and the prices were fair. I'm so thankful to have found this place!

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I have been taking my truck here whenever I have a major problem and can't fix it myself. Every time I get it back it runs like new! He knows what he's doing, he's honest and he gets the job done in a timely manner.

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We have been going to P & J's for close to 25 years. We completely trust them. They are honest, reliable, and they will do what they say they will do. I have had them check out cars (if used) before I bought them and Pat will recommend the car or not. Their entire staff is GREAT!!!

  • ASE (Automotive Service Excellence)
  • AutoWares - Auto Value - CSC
  • BG Products
  • Call Us For Service: 561-686-8488