Why is my Ford Expedition air conditioner not blowing cold?

Conclusion: A/C Not Blowing Cold Ford Expedition Most of the time, when your Expedition ‘s air isn’t blowing cold enough, it is going to be a lack of refrigerant causing the problem. We recommend having a professional recharge your A/C if it does end up being a coolant issue.

What are the symptoms of an air conditioner problem?

If you suspect you have HVAC airflow problems, you’re probably experiencing one or more of the following symptoms: Hot and cold spots throughout your space. Pressure imbalance. Little to no air coming from your air conditioning registers. Your AC system blows warm air.

Why is my portable air conditioner not cooling my Room?

If your portable air conditioner is blowing cold but your room isn’t getting any cooler, many different things can cause that. This is a very common issue, and it can sometimes be an easy fix. This Honeywell portable air conditioner provides 14,000 BTU of cooling, so it’s able to cool larger rooms without much trouble.

Why is my air conditioner compressor not working?

The compressor is like the heart of your air conditioner, and when it goes, there’s a good chance you’ll need a new unit. The good news is, many of the causes behind HVAC airflow problems are easy and relatively inexpensive to fix. Read on to learn about the most common causes as well as one easy way to improve AC air flow once and for all. 1.

Why is my air conditioner not getting cold?

One of the most common reasons for a window air conditioner to fail to deliver cold air is incorrect mode selection. However, when the unit is properly set to “Cool” but it doesn’t blow cool air, possible problems include low refrigerant, dirty air filters and coil freeze-over.

Why is my HVAC not blowing cold air?

One reason that your air conditioner may not be blowing cold air is because the thermostat is set too high. Try simply lowering the thermostat setting by 5 degrees to see if that helps. Perhaps the condenser unit is blocked or excessively dirty.

Why is my air conditioning not cold?

Yes, a dirty air filter can cause an air conditioner to not cool. If your air filter becomes too clogged with dirt and debris, it can inhibit the proper airflow your air conditioner requires to function correctly. On average, you should replace your air filter every three months.

Why is my window air conditioner not cooling?

One of the main reasons behind air conditioner not cooling properly is ice formation in a split ac indoor unit or window AC as it leads to the reduction of airflow. Dirty filters, coils and below par working fans are the major reasons for ice formation on air conditioners leading to ac not cooling issue.

Why does idle speed go down when AC is on?

The ISC is what the ECU uses to maintain the idle speed when the AC kicks in or the power steering pump drag the idle speed down. You also need the IPS inside the 2G TPS to be correctly set so that the ECU knows that it’s idling.

How much does it cost to replace an air conditioner in a Ford Expedition?

When the $125.00 service was done the trusted mechanic said that my A/C compressor was week and needed to be replaced (after charge blowing coldish) So I purchased a complete kit (not from ford but a good kit anyways) and had it replaced (parts and labor $1200)

What’s the RPM of my car when the AC is on?

Basically, when i turn my AC on and put the car in drive, my RPM’s drop to about 625 and slowly rise up to 700ish RPM’s. Some times when i put it into drive the the AC on it stays at around 625 RPM’s. It seems to be intermittent mabey…

What should the idle speed be on a Ford truck?

Repeat Step 4 and Step 5 as many times as necessary until the engine is idling at your desired speed. Lower the hood support arm, close the hood and turn off the truck’s engine. Under normal conditions, the truck’s engine idle speed should be about 800 RPMs.

When does the idle air control valve change?

When the engine is running but the vehicle is not moving, this means the engine is idling. During this time, the number of revolutions per minute (RPM) inside the engine will change. The idle air control valve is responsible for managing the engine idle speed.

Why does my Ford Expedition make a clicking sound?

This 2003 Ford Expedition came in because of an annoying clicking sound from the back of the vehicle. The customer stated that if he would constantly adjust the rear temperature setting the noise would go away for a little while.

Why is my air conditioner not working in my Ford Ranger?

Bad Condenser – If your condenser has taken damage or been clogged up, the coolant can’t transform the Clutch Cycling Switch – A/C systems use an electromagnetic clutch to activate the compressor. When this switch fails your air conditioning is dead in the water.

Why is the rear AC warmer than the front?

When the rear ac is turned on only, the air isn’t that cold. But when the front ac is turned on, the rear ac is blowing colder air out the vents. That’s because the rear AC by itself can’t turn the compressor on… The front AC has to be on for the compressor to turn on….

What to do if your air conditioner is not working?

Replacement of most air conditioning components requires complete evacuation of the air conditioning system with a refrigerant recovery machine. Once components are re-installed, the technician will remove all air from the system in preparation for recharging the system with new refrigerant.

Why does my Ford Expedition not have air conditioning?

What are common reasons my Ford Expedition has air conditioning problems? While there are a variety of reasons your Ford Expedition air conditioning won’t work, the most common 3 are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.

Why is my air conditioner blowing hot but not cold?

After job was complete the system ran cool but not cold like I expected then in a month and a half the system was blowing hot again. Many trip back to the not anymore trusted mechanic produced no resolution and the same blowing coldish to hot air (and ALLOT OF FRUSTRATION)

Why is the front air not blowing in my 2016 expedition XL?

2016 Expedition XL front AC not blowing but back was blowing fine. Ended up being a Loose wire connection to module in passenger footwell underneath right side of glovebox….guess something r somebody pulled it loose 72 people found this helpful. Totally worked I just saved $80!!

How to remove the back panel of a Ford Expedition?

Ford Expedition – YouTube If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. An error occurred. Please try again later. (Playback ID: Hm4dQMoPPeB3pbce)

What to do if your Ford Expedition heater stops working?

If the heater has stopped working in your Expedition , this process has failed in one way or another. A word of caution: If there is no coolant in your overflow, you can refill it by adding more to the overflow reservoir. There is almost never a situation where you would need to take the radiator cap off of the radiator to add coolant.

Why is my Ford Expedition not blowing cold?

Blend Door – The blend door controls how much air conditioned and heated air enters the cabin. If it gets jammed or locks up, your Expedition can’t respond to your temperature change request. These are a few of the most common issues that could cause your Expedition to not blow cold enough. There are other issues that can cause this as well.

Why does my Ford Expedition not have a heater?

One of the most common (and inconvenient) problems with the Ford Expedition is when it has no heat coming from the heater. Not having a functioning heater makes driving much less comfortable, and can be a sign of certain issues. At the simplest level, there are two main reasons why the heater is not working.

Where is the fuse on the Ford Expedition blower?

I replaced a 40-amp fuse in the power distribution box under the hood and a 10-amp fuse in the panel under the glove compartment. I also replaced a blower motor relay in the power distribution box. I bought a new blower motor. I plugged in the wires, but I didn’t install it yet (It’s in a tough-to-reach spot).

Why does AC stop blowing out the defrost vents?

After installing a new blower fan motor the ac would only come out the defrost vents. The factory vacuum check valve is very hard to get to. So i bypassed it. Now it is working like it should and ac comes out the dash vents. I do not have a vacuum reservoir installed i will have to see if i will need to add it later.

Where does the air come from in a Ford Escape?

The 2008-2012 Ford Escape features a revised front and rear fascia and restyled LED tail lamps. No air from floor vents or defroster vents, only front vents. I get good heat and air conditioning from my front vents, but when I select floor or defrost vents, the air still only blows from front vents.

How to fix Ford AC defrost only-vacuum vent leak?

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Why does my air conditioner blow warm air?

Repair Topics > Air Conditioning Symptoms… > AC blows warm air except in… This one will really make you nuts. You set the A/C on cold and you don’t get any cold air. You’re thinking you’ve got an A/C problem. Low of refrigerant? Bad compressor? But then you switch it to MAX A/C and all of the sudden it blows cold. What gives?

Why does my Ford Max blow warm air?

Because MAX operates a valve that shuts off the coolant flow through the heater core. Take away the heat and you get ice. Get it? To diagnose this, you have to first remove the glove box the get to the blend door mechanism. Then watch the actuator as you move the temp dial from hot to cold and back.

Why is my air conditioning not working on my Ford F-150?

There are many reasons why air conditioning may not be working properly on your Ford F-150. When looking for the reason, you should always start with the most obvious cause, low refrigerant level in the system. In any case, it is advisable for laypersons to visit a workshop. In the event of a defect, the mechanic can directly initiate the repair.

Why is my a / C not blowing cold on my F150?

Conclusion: A/C Not Blowing Cold Ford F150 Most of the time, when your F150’s air isn’t blowing cold enough, it is going to be a lack of refrigerant causing the problem. We recommend having a professional recharge your A/C if it does end up being a coolant issue. If you put too much coolant into the system, you can really do some damage.

How much does it cost to replace clutch fan in Ford Expedition?

Long story short replacing the $100 clutch fan solved my issue I ended up spending close to 2k for in parts, time, gas and agony when it was just the clutch fan. Hope this helps someone out there!! Cautionary tale of bad mechanics Ive never had this much trouble before.

When did the Ford Expedition air conditioner issue happen?

Discussion in ‘ 2nd Gen – 2003 – 2006 ‘ started by Jb14, Jun 19, 2013 . Hi Folks I am posting this in hopes that it can help you all not to have to go through what I had to for a year with and air conditioning issue with my 2005 Expedition.

Why does a / C stop blowing through vents as I accelerate?

I was sitting stopped, turned on the A/C and it started blowing nice and cold as normal. After i started accelerating, the flow through the vents slowed and finally stopped. As it stopped, i heard the compressor kick into overdrive (like it does when it is cooling the air before blowing it through the vents right as you turn it on.)

Why does my car AC blow cold air then blow warm air?

But that cold air turns warm fairly soon after because the high side pressures build to the point that the high pressure switch shuts off the compressor clutch. Once pressures equalize, the high pressure switch allows the compressor to start up again. The cycle repeats over and over, providing a short period of cold air, followed by warm air.

Why is my car AC not blowing cool air?

It’s a nightmare to find your car AC not blowing cool air in burning summers. But, people generally face this issue. Your car includes various parts that are interconnected with each other. Therefore, even if you have recharged the AC of your vehicle, the issue in other car machinery can affect its working too.

Can a Ford Escape air conditioner work when it is not cold?

It is entirely possible for your Escape’s heater to work just fine even when the air conditioner is not blowing cold at all. That’s why troubleshooting the air conditioner is totally different than troubleshooting the heater.

How do you add Freon to a Ford Expedition?

How to add freon to your 2000 Ford Expedition: hook up the can of refrigerant (likely r-134a) to the low pressure port. When your compressor kicks on, add freon to the correct pressure.

Why is the air only blowing through the front vents?

The air only blows through the front defrost vents, the back air works fine. What could that be? have the same problem? Check for a vacuum leak see picture and look at the vacuum motors see if they are getting vacuum when put on defrost/floor etc..

Why is the front vents warm but the rear vents are cold?

The gauge showed that the system was low and I started to fill the system. The compressor clutch did turn on and the system is currently at 45psi (fill zone). Now, the rear vents is blowing cold air but the front vents is still blowing warm air.

What to do when your car AC blows warm air?

To diagnose this, you have to first remove the glove box the get to the blend door mechanism. Then watch the actuator as you move the temp dial from hot to cold and back. You should see the actuator moving the door. If it doesn’t, either the actuator is dead or the door is jammed. Remove the actuator and try moving the door by hand.

Why is the rear air not blowing out?

Rear air works good no problem there. Could it be a fuse? no on the fuse,it works off vacume,check under hood driver side fender well for vac lines see if one has come unpluged or is soft,if so just replace the line,is rubber lines. 96 people found this helpful.

Is the Ford Expedition air suspension system guaranteed to fail?

The Ford Expedition of the late 00s and early 10s were celebrated for their responsive and comfortable air suspension systems. However, the lifespan of these systems has proven to be an issue. For starters, like all air suspensions, the lifespan of the Ford Expedition is limited. It is guaranteed to fail at some point.

What are the most common problems with a Ford Expedition?

Here’s a breakdown of the Expedition’s most common issues: 1 Other: 4% 2 Trim and body: 6% 3 Brakes: 6% 4 Transmission: 12% 5 Suspension: 12% 6 Air conditioning and electrical: 28% 7 Engine: 31%

What are the problems with the Ford air conditioner?

Ford Air Conditioner Problems 1 Air Management Systems. Generally speaking, air-conditioning problems in Ford vehicles have their roots in two specific systems: the air management aystem and the refrigerant cycling system. 2 Refrigerant Cooling Systems. 3 When to Call the Mechanic. …

Here’s a breakdown of the Expedition’s most common issues: 1 Other: 4% 2 Trim and body: 6% 3 Brakes: 6% 4 Transmission: 12% 5 Suspension: 12% 6 Air conditioning and electrical: 28% 7 Engine: 31%

When did Ford Expedition air suspension come out?

Also when you removed it did you remove the mounting beaker with it or just the compressor unit itself. 2008 limited expedition air suspension in rear totally flat. Installed new compressor it was pumping air but bags did not fill. Is there anything between compressor and bags that would be keeping air from getting to bags.

What kind of noise does Ford Expedition make?

Another ConsumerAffairs review mentions that they hear an extremely loud humming noise any time that they drive their Ford Expedition. They say that it’s so bad they are unable to hear other passengers in the car or even listen to the radio.

What’s the problem with my Ford Expedition climate control?

My front heater core is clear–we disconnected the hoses and ran water through it. When the engine is at normal operating temp, the inlet hose to the core becomes hot —the outlet hose remains cool. Any suggestions? I have the same problem with my 98 Expo.

Is the back of the Ford Expedition heated?

I have recently purchased a used 2008 Ford Expdition Eddie Bauer from a dealer with 12K on it. My problem is that the heated seat work OK, but do not get as warm as my old 2001 Chevy Tahoe seats. It seems that the back of the seat is warmer than the base of the seat.

What to do if your expedition thermostat goes bad?

If your Expedition has a built in temperature gauge, take a look at it and see if it is in the spot it is normally in after a bit of driving. If it looks like it is colder than normal, that’s a pretty good indication that there is something wrong with the thermostat. The heater core itself can go bad.

Why does my car AC keep blowing cold air?

If you feel that there is a meager amount of air blowing through the vents, it could absolutely be a clogged air filter. When you turn the heat controller on the AC control unit, there needs to be something that controls the heat inside the car.

What should the pressure be on the AC to blow cold air?

Keep checking the pressure gauge to confirm if you don’t overfill. The ideal pressure is 40 psi. Once the refrigerant is filled, head inside the car and with the thermometer placed inside one of the AC vents, note the temperature. An ideal AC should blow cold air which is about 28 degrees.

Why does my car have no air flow?

I am getting almost no air flow from the vents when on MAX AC. When in normal AC and the engine has a load, like going getting almost no air flow from the vents when on max AC…hill… I have a Ford F-150 1999. The AC works but it does not blow I have a Ford F-150 1999. The AC works but it does not blow well through the main vents.

What kind of air flow does a Ford Explorer have?

Also if I have only the fan on (no air) the fan blows strong … read more 1993 Ford 150, 302 engine .. AC vent runing 60 degrees…84 degrees ambinent Flushed condenser/evaporator/lines twice…..changed the compressor/drierexp valve…pulled vacuum twice , two 45 minut … read more I own a 2005 Ford Explorer XLT and it has a V6 engine.

Is the AC blowing well through the vents?

The AC works but it does not blow well through the main vents. It seems to work fine on feet and window vents, but the … read more Vocational, Technical or Tra… Vocational, Technical or Tra… I have a 2006 Ford E-350 XLT that has low air flow at the front vents.

When does a 2003 Ford F150 blow on defrost?

Ford F150 Lariat 2003 ford f150 a/c blows on defrost when… 2003 ford f150 a/c blows… 2003 ford f150 a/c blows on defrost when i accelerate works fine in the driveway no matter how much i accelerate. the vacuum lines on the control head appear to all be hooked up and in good shape.

Why is my AC not blowing cool air?

No matter how high you set that regulator, it does not seem to work. Well, there are many reasons behind your AC, not blowing cool air. From the leaking refrigerant to the bad compressor, even a tiny fault in the HVAC system can make you face difficulty with your AC.

Why is my AC not blowing cold air?

The chemical Freon or simply you can call it coolant is the reason why the AC cools hot air quickly. The chemical can run out if there is any leakage in the AC. Thus, AC would not work, as there is no Freon in the system.

Why does my AC not cool hot air?

Why does my AC blow cold then blow warm?

The moisture can freeze into ice crystals right at the orifice tube or expansion valve, clogging it and stopping the flow. The symptom appears as: blows cold, then warm. If you shut off turn on the heat for a while, that’ll melt the ice crystals and the system will start cooling again. But it will still freeze up.

What kind of AC does an F150 have?

My 2002 was ice cold. Not happy. ice cold AC here. 2012 fx4 here and ice cold with the ac seats on….

Why does my a / C blow cold air but not cold air?

I need to know, when the engineis running and the AC is set on MAX, is the AC compressorengaging and is one of the lines to the evaporator getting cold to the touch? Ask Your Own Ford Question Customerreply replied 11 months ago

What’s the air temp in my F-150?

My F-150 A/C blows cool air but not cold. Air temp coming out is about 80 deg idle in sunshine. I think coolant, meaning – Answered by a verified Ford Mechanic We use cookies to give you the best possible experience on our website.

My 2002 was ice cold. Not happy. ice cold AC here. 2012 fx4 here and ice cold with the ac seats on….

Is the AC on Max cool or Max cool?

Yes I have it on Max cool with the recirculate on and crack my windows for the first min. or 2 to get the hot air out. Obviously I haven’t took it in to the dealer yet but I wanted to see if others out there were having this problem as well?

Why is my air conditioner full of Freon but not blowing cold?

Re: Air conditioner full of freon but not blowing cold… #1) 1st Check to make sure your compressor is engaging (CYCLING) then possible theres a Leak in Your System/Or a Clogged up Expansion Valve,Very Common.Which is Located going to the Lines from the Firewall to your Evaporater.

How to get Freon out of an air conditioner?

#2) You’ll need to Completly Discharge your Freon from your A/C System.Which should be Discharged in a Recovery Can.and not in the Air. #3) And after the System needs to be Completly Evacuated ,which takes a A/C Suction Pump.If your Doing this yourself I’m not Sure if you Can Rent this Pump or Not.

What causes a central air unit to leak Freon?

Most Common Cause of a Freon Leak in Central Air Units Few things are more frustrating than turning on your central air conditioning unit on a hot day only to find little to no cold air passing through the system. Most drops in air conditioner performance are due to Freon (refrigerant) loss.

What should I do if I have a freon leak?

Children should be forbidden from playing on or near the units. To reduce the chances of physical damage, a three-sided block wall should be constructed to protect the unit from damage; leave plenty of space for ventilation. Searching for Savings Accounts…

When do you Know Your air conditioner is leaking?

You may not realize there’s a refrigerant leak until the air conditioner stops blowing cold. Refrigerant may slowly leak out of the system over days, weeks or even years. Read More When the compressor fails, the most common symptom is warm air from the vents.

Why is my Ford air conditioner still running?

However, when it comes to paying for repairs to heating and air conditioning in Ford models, many find that AC issues are misdiagnosed and mistreated, costing customers extra money on unnecessary parts and labors.

What to do if your car AC is not working?

You can handle this situation by using the best maintenance tips. Use a charging machine that will pour coolant and make your AC work properly. If the AC still doesn’t work even after using the charging machine, contact the nearest mechanic.

What should I do if my car AC is not blowing cold air?

When the actuators are not working, you will either receive only cold air and no hot air or hot air but no cold air. In such a case, take your car to an auto specialist who will fix the blend air door. The average cost will come between $130 and $530.

Why is my air conditioner not blowing cold air?

A defective relay, compressor clutch coil or damaged compressor are all possibilities. The air conditioning system is equipped with safety switches that automatically turn the compressor off when the A/C refrigerant level becomes low.

Why is my car AC fan not working?

Another reason why your car AC fan is not working could be due to your cabin air filter. Cabin air filters serve as a filter to the outside air coming into your car to make sure it is clean and not filled with contaminants. However, if this air filter isn’t changed,…

When did my front AC blower stop working?

Discussion in ‘ 3rd Gen – 2007 – 2017 ‘ started by John Gouch, Jun 5, 2019 . I’ve seen many posts from people whose front AC blower would stop occasionally.

How does an air conditioner blower fan work?

The blower fan in your air conditioning is a separate electrical system from the cooling unit. However, they work together as a team. As the air conditioning system cools down, the blower fan pulls the warm air from inside of your home, runs it through the air conditioning system, and then blows the now cool air back out into your home.

Why is my air conditioner running but not cooling?

It feels heavenly to have that cool air blowing straight to your face. However, sometimes your luck deprives, and you encounter that AC compressor running but not cooling. No matter how high you set that regulator, it does not seem to work.

Why is my air conditioner compressor cycling on and off?

The air conditioner compressor was rapidly cycling on and off. I turned the A/C off and stopped putting R-134a into it becuase the compressor cycling was almost causing the car to die from the load it was putting on the engine. Onto Google I went.

Why does my a / C not work when it’s Hot?

A/C only blows cold air below 78 degrees or so. Above that, it only blows out hot air. That is not normal, you may need to get the A/C looked at by an authorized dealer. Mine blows very cold, no matter how hot outside it is.

When does the AC work on a Ford Escape?

AC works allright at night or early morning times when its cold out side. Refilled gas and checked for leakage did servicing from professionals but issue is as is. 5 people found this helpful. I just fixed this issue on my 2011 Ford Escape.

What should air temp be on Ford Escape?

Find the leak, replace the part/seal, evacuate and recharge – good as new. FYI: you should see an air temp of 32 to 40 F at the center register, all other vents closed, engine at 2000 RPM and controls set to MAX AC – High speed.

Why is my a / C not working in my Ford Expedition?

My A/C started to not be cold so I took it to a trusted mechanic who diagnosed my issue as needing a Freon charge.

Is the a / C working but blowing hot air?

I do hear the a/c clutch kicking in, blower is working and all vent direction are working when I select them (defrost, vent, ac vent, heater). Really hot air and more than normal on the vent selection. Just would like some feedback so I can attack this problem this weekend.

Why is my Ford Escape heater not working?

It does this by allowing water to enter the engine when it is getting hot, and by keeping coolant from entering while the vehicle warms up. Sometimes when a thermostat goes bad, it stays stuck open. This allows the coolant to continuously enter the engine.

Why is my Chevy Impala heater not working?

If you have a heater core that clogged, it’s not going to be able to pass coolant through. Without the warm coolant going through it, there can be no heat. A bad heater core can also leak, so watch out for that. Feel your passenger floorboard to see if it’s wet. Heater core’s are typically pretty affordable.

What’s the best way to troubleshoot Ford air conditioning?

Appropriate pressures, no refrigerant leaks, correct A/C clutch air gap, correct cycling times. Here I would strongly recommend you pick up a Service manual (Haynes or Chiltons) and review the A/C troubleshooting guides. Best is to use a gauge set and read the high / low pressures on the system while it is running.

Why does the AC blow cold air when the car is moving?

My car has an automatic transmission. When the car is moving, versus stopped, there is more air flow over the condenser (the heat exchanger in front of the radiator) and that airflow is essential to system operation. To maintain airflow when the car is in stop and go traffic, or is completely stopped, condenser fans will come on automatically.

To test whether the fan is moving enough air through the condenser all you have to do is put a shop fan blowing into the condenser when the system is running. If the pressure drops into range, you have found a problem. BRIANGEE likes this. Sad.

Is there a problem with my air conditioner?

If the pressure drops into range, you have found a problem. BRIANGEE likes this. Sad. Most mechanics are just parts replacement monkeys nowadays. No one knows how to troubleshoot anymore.

What kind of refrigerant does Ford Expedition use?

Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system. Most refrigerants include a leak sealer that will seal small leaks in addition to filling the R134a refrigerant. The A/C system in your Expedition consists of a compressor that is belt-driven, an evaporator and freon.

What kind of car wont blow out the vents?

AC wont blow out of vents. 2003 Ford E150, E250, E350. Ford F150, F250, F350, 1997, 1998, 1999, 2000 – YouTube If playback doesn’t begin shortly, try restarting your device.

Why does my air conditioner blow cold air?

The air conditioner blows cold air but switches from front vent 2 floor 2 defrost vent simultaneously. None stay on very long they just keep switching back and forth. Do I need to get AC checked or what?

Why does my air conditioner keep getting ice cold?

It works great, gets ice cold, then suddenly cycles itself off for a minute. This process repeats itself constantly. I thought it was moisture in the system, so did a vacuum and recover the freon, reserviced etc. This seemed to work, but the next day the problem was still there.

What happens when an AC expansion valve fails?

AC compressor constantly running. If the AC expansion valve fails or sticks open, it will cause the compressor to pump refrigerant through the vehicle’s AC system, even when it may be undesirable for it to do so. This will put an additional strain on the compressor and associated AC components, making them more susceptible to premature failure.

Why is my Ford Expedition air conditioner not blowing cold?