Skip to main content
image-car

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 JP 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.

More AC Repair Services:

Truck and Car AC Repair Services

Freon Recharging Services For Your Car Or Truck

AC Evaporator Services


image-people-driving
image-quotes
reviewiconFriendly Staff

They are really good. They are fair and honest. They do good work. They give you the price before they do the work. Very nice people. JP is where I take my vehicle for everything I need for my cars care.

, 08/04/2019

tire-track-image

Get free Coupons

Take advantage of these great offers!

Now featuring the Snap On Zeus Diagnostic System!

Diagnostic analysis introductory price $79.99
Regular price $149.99

$49.99 Winter Special!

Winter is here so stop by and let us check your front end, alignment, and heating!

$39.99 safety check up!

Complete check from bumper to bumper!

partners

ASE (Automotive Service Excellence)
NAPA
ASE Master Technician
Advance Auto Parts
IHRA
National Hot Rod Association
Car Care Aware