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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 Scranton Truck & Trailer, 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.


Partners

ASE (Automotive Service Excellence)
IDENTIFIX
Snap On
PJ Trailers
Jasper
Curt Hitches
PJ Truck Bodies
Car Care Aware

What our clients are saying about us

We have established longterm and stable partnerships with various clients thanks to our excellence in solving their automotive needs!

We were traveling seeing family in the area and realized my trailer brakes were not working. Call in they said we could drop it off and work it in for us. We were leaving on Thursday. Got a text saying it was ready on Thursday so we went to pick it up arrived just it time to see everyone cheering the local Highschool girls softball team off to state. We hope they won. Small town glory right there. And the trade was fixed great job thank you for y'all's work. quotes-image
, 05/13/2024
Owner is awesome. Employees are great. If I lived in the area I would most definitely use their services. I've always been treated kindly & the entire crew has always been helpful. I deliver here often & have (off and on) for years. Thank you, ST&T!quotes-image
, 06/05/2023
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