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NAPA

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 Debbie's Auto & 4 Wheel Drive, 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

ASSOCIATIONS

  • ASE (Automotive Service Excellence)
  • NAPA
  • BBB (Better Business Bureau)
  • Car Care Aware

Testimonials

  • reviewicon
    I have always received the best service at Debbie's Automotive! Chuck and Kenny has given courteous expert advice and we trust their opinions. We have never had to take the car back due to things not be done properly and never had issues with broken parts due to service. Would definitely recommend for your car service needs.

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    I wouldn't go anywhere else for automotive service. Chuck, Debbie, & Ken are always willing to assist me in repairs to my vehicle & always take me in on the same day. They always call once they evaluate the repairs needed & provide me with an estimate & their work is always top notch!!

  • reviewicon
    I trust Debbie's, and it's important to have a mechanic you trust. Chuck and his staff make sure my concerns are addressed and keep me informed of upcoming needs...like warning me 6 months in advance that I'll need new tires.

  • reviewicon
    Customer service was professional and to my satisfaction as always highly recommend them.

  • reviewicon
    We have five vehicles that are serviced at Debbie's Auto. The staff is polite, efficient and knowledgeable. Major repairs are always discussed and options made available. Regular maintenance is efficient and uneventful.

  • reviewicon
    5 Stars!