Where is the expansion valve located?

Posted on by Muna Meyer

Where is the expansion valve located?

The expansion valve is situated in the liquid line between the condenser and the inlet of the evaporator. It operates on the opposite side of the system, relative to the compressor.

What are the symptoms of a failing expansion valve?

Symptoms of a bad expansion valve

  • Car AC system isn’t cooling enough or won’t cool at all.
  • High side pressure is high.
  • Air coming from vents is frosty.
  • AC blows cold, then hot.
  • AC kicks on and then immediately kicks off.
  • Airflow drops dramatically from vents.

How long does it take to replace an expansion valve?

This might take as much as 20 minutes if the system is full. If you can’t get access to the appropriate recovery machine by borrowing or renting, you can have a mechanic come to your house and evacuate the system for you.

How much does it cost to replace an expansion valve?

A TXV expansion valve manages the amount of liquid refrigerant flowing through the air conditioning system, so if it goes bad, you’ll need to replace it to keep your AC functioning properly. Expect to pay an average of $400 to get the job done, but it may cost as little as $200 or as much as $700.

How much is a expansion valve cost?

How do you test a expansion valve?

How to Test an AC Expansion Valve

  1. Make sure the AC unit is plugged in or, if it is in an automobile, turn the vehicle on.
  2. Use the manual to locate the thermostatic expansion valve.
  3. Lift the sensing bulb from the suction bulb well.
  4. Hold the sensing bulb in your hands for two minutes or place it in warm water.

What happens when expansion valve sticks open?

If the expansion valve is stuck open or clogged, the AC system will not cool properly. A clogged valve will lead to too little refrigerant, increasing the pressure in the system and causing the AC compressor to overheat.

How long does it take to change an expansion valve?

How long does it take to replace AC expansion valve?

In most cases, however, you’re looking at about a two- to three-hour job, and you’ll likely pay about $100 to $150 per hour for a professional to do the work.