Best Auto Repair, Camarillo

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

Working Hours
  • Mon 7:00AM - 6:00PM
    Tue 7:00AM - 6:00PM
  • Wed 7:00AM - 6:00PM
    Thu 7:00AM - 6:00PM
  • Fri Closed
    Sat Closed
  • Sun Closed

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 KG Performance and Auto Repair, 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 People Say About Us

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    My 2008 Volvo had several issues come up as it hit the 150K mile point. A/C system, radiator, CV boot, and brake control module all needed repair or replacement. KG took care of all of those over the past two months and everything has been performing perfectly since. No pressure or strong-arming tactics from KG.... they let you know what you car needs and leave the decision to you. Their shop is one of the neatest and cleanest I have seen, and that is always a good sign! They are also very up to speed with using internet for customer notifications, detailed information on the work done, and online bill payment. A great shop.

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    KG Performance and Auto Repair was recommended to me by a friend...I just needed an oil change but I was leery because in the past I've had other Mechanics tell me after an oil change that this that and another thing needed to be repaired ASAP. Turned out they were trying to sell me unnecessary repairs....Not these great guys at KG. Floyd was very professional and answered all my questions and he didn't make me feel dumb. When I picked up my car Floyd did mention to me about a couple of things that would need attention down the road but nothing dire at the moment. Great guy......So Ladies, if you need some work done on your car but you're not sure where to go because you're worried about being taken advantage of..... Worry no more, KG is the place to go ..Thanks again KG

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    Expert and friendly service. Good value. Kevin and his crew service all our cars.

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    They put up with the biggest headache of a vehicle and gave me such a good price for all their extra work.

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    Reasonable estimate & cost, knowledgeable expertise, great service, quick response.

  • reviewicon


    My 2008 Volvo had several issues come up as it hit the 150K mile point. A/C system, radiator, CV boot, and brake control module all needed repair or replacement. KG took care of all of those over the past two months and everything has been performing perfectly since. No pressure or strong-arming tactics from KG.... they let you know what you car needs and leave the decision to you. Their shop is one of the neatest and cleanest I have seen, and that is always a good sign! They are also very up to speed with using internet for customer notifications, detailed information on the work done, and online bill payment. A great shop.

Call us for service: 805-482-7074

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