Best Auto Repair, Towson

300 E Joppa Road
Level E Towson
MD 21286

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Hampton Automotive Service

 (10 Reviews)

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

Hampton Automotive Service


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 Hampton Automotive Service, 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


Reviews

Quote reviewiconFriendly and Attentive
Car & Truck Care, near Towson, MD

Very friendly and attentive auto shop. They're very thorough and obviously care about the quality of work they produce. Gary and his team are honest people who are set on making sure you're satisfied when you leave. They don't try to upsell products or pull one over on you, they simply want your car to leave the shop in in a better condition then when it arrived.

Quote reviewiconHelpful and Kind
Car & Truck Care, near Towson, MD

Terrific quality of work and the employees are kind and helpful.

Quote reviewiconVery Pleased
General Services, near Towson, MD

Great experience. Gary explained the problem in detail and suggested repairs vs. the toyota dealership suggestions, car runs great and very pleased with service and repairs. He also suggested another garage for one of the repairs and I had a great experience at that garage as well. Gary also called me 1-2 weeks later to follow-up and see how we made out. Who does that anymore? Nobody, you get a survey in your junk email that you delete. Thanks

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