Ford A/C Quick Tips #5: Diagnosing a Weak A/C Compressor

These are the Tools and Parts I recommend:
All New A/C Compressors are best over Reman units-
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A quality R134A Gauge Set is a must for an accurate Diagnosis-
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Dial Thermometer-
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My Company BSG Automotive offers Auto Repair services in the greater Chicagoland area.
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Disclaimer:
The information, demonstration and any content contained in this video is for informational purposes only. The user and BSG Automotive (hereinafter “FordTechMakuloco”) makes no warranty, express or implied, regarding the effectiveness or safety of the contents of this video. In no way should the contents of the video, including the tools used, be repeated or tried by anyone. Viewers should only seek the help of a trained professional located at a licensed auto repair shop for any fix, modification, alteration, or any change to their vehicle. FordTechMakuloco shall not be liable for any injury, damage, or loss to any person or property that may result from use of the tools, equipment, or any content contained in this video. In addition, there is no way to guarantee that the video is not altered or modified or is not in the final form submitted by FordTechMakuloco and therefore, FordTechMakuloco does not warrant that the video is unaltered or not modified. The links on this video to products are for informational purposes only and in no way are an endorsement of the safety or effectiveness of the particular product. Viewers understand that anything contained in this video or linked to or from this video is the sole responsibility of the viewer and in no way provides an express or implied warranty as to the safety or effectiveness of any linked tool, product, or video. Therefore, viewer agrees to release, waive, and discharge FordTechMakuloco or anyone affiliated with FordTechMakuloco, from any and all liability, claims, demands, actions, and causes of action whatsoever arising out of or related to any loss, damage, or injury, including death, that may be sustained by the viewer, or to any property belonging to viewer, regardless of whether the loss is linked to the use of the contents of this video, or otherwise and regardless of whether such liability arises in tort, contract, strict liability, or otherwise, to the fullest extent allowed by law.

[@rustynuckles3662]

You are the ONLY person on here to describe how to confirm a worn out compressor ! You da man !

[@tedpatriot2963]

You should start a tech school! I've learned so much from your vids! The world needs more good honest mechanics!

[@clubadv]

watched like 20 videos, and this was by far the best. thank you.

[@merqury5]

Every mechanic should see this video. Great run through.

[@d.dickey9603]

All of your videos are 1000% informative

[@hawaiianf1504]

I'm sitting here drooling tapping my fingers on the desk in anticipation for the rest of the video series... Awesome Knowledge Your videos really do make it a whole lot easier to figure things out. Kinda glad too, I been scratching my head trying to learn auto repair for so long I think I have a new bald spot.

[@FordTechMakuloco]

lol also the email is on it's way today.

[@joserosas5420]

Thank you very much for sharing this video. I was speculating weather my pressure readings indicated a worn compressor or if I had a possible restriction in one of my ac hoses. The ambient temperature at the time was 89 degrees with 49% humidity. According to the manufactures specifications at the time of testing the low side should be between 28-41 psi and 193-261 psi for the high side. I had the engine running at 2000 RPM's and the center vent temperature wouldn't go lower than 60 degrees on MAX AC. My pressure readings were 60 psi for the lo side and 205 for the Hi side. I'll check to see how much resistance it takes to turn the clutch by hand.

[@cliffperrino3015]

your videos areALWAYS top notch thanks for spreading all that knowledge

[@bolatdinc3211]

Checking compressor clutch resistance with hand. It is very useful tip for me to diagnose compressor issues....Thanks!

[@TheBobbalu]

But sincerely appreciate you getting back to me your videos are great you're very helpful good person great advice true professional

[@shelvesetc7150]

Buenisima explicacion!! Tiene passion por su trabajo!

[@aaronbrown7218]

I do all of my own repairs unless there is a special tool needed that i can't get my hands on. Your videos are the best i have come across. I just purchased a '07 Lariat with the 5.4L 3v and have been educating myself on what issues to expect/keep an eye out for. Keep it up man, I'm learning a lot. Thanks.

[@FordTechMakuloco]

Glad to help!

[@Devo1987]

@@FordTechMakuloco Great video what brands do you like im thinking of buying global parts distributors llc compressor a conversion to piston from rotary style on a 2006 mazda 3 2.3 L ?

[@Devo1987]

@@FordTechMakuloco Great video what brands do you like im thinking of buying global parts distributors llc compressor a conversion to piston from rotary style on a 2006 mazda 3 2.3 L ?

[@freakfiveoh]

Thanks for the video, I'm definitely going to be diagnosing my F150 before I break down and take it to someone. I've been suspecting the A/C wasn't working well for a while, but when I went to add more refrigerant the gauge said it was full. Now I suspect something else isn't working properly, and it's also started to sound like there's a leaf in the blower, so perhaps there will be multiple issues to work through.

[@ozzstars_cars]

nice explanation. i know a lot of places say pretty much all components need to be replaced to honor the new ac compressor warranty. I'm sure you will discuss this topic eventually

[@FordTechMakuloco]

If there was a catastrophic failure yes but otherwise most compressor manufacturers just want you to check and clean the vehicles metering device and replace the receiver drier because of the acids otherwise you are just wasting your money.

[@161995alex]

Thank you for responding. that is what my gut was telling me. I went ahead and replace the accumulator and that didn't fix it. I'm going to replace the expansion valve and see if that fix it. I appreciate your response.

[@CHIBA280CRV]

Fantastic info. Thank you

[@jeffflowers3645]

4:18 the clutch was turning by itself. I'd say that's pretty worn out lol. I just picked up an 05 Town Car two months ago. Just now realizing the AC wasn't blowing cold. Didn't need it. Clutch engages and gauge shows full charge. Never new this little trick of turning the clutch with no resistance. Sure enough, I can turn it as easily as the one you're showing. Which also solves my AC issue on my 01 F150 that wouldn't take a charge. I had to jump the relay to engage the clutch but still wouldn't take a charge. I can turn the clutch on that compressor too. Looks like I've got two compressor replacement jobs in my future. Great video as always

[@servicioelectromecanicocue7025]

Thanks men, youre videos are full instructional. Greetings from Mexico

[@michaelkane732]

good stuff and timely as always

[@FordTechMakuloco]

These should have been out two months ago but life happens and the shop got busy. I know part of the world will be hot for many more months and then there is next year when a whole new crop of a/c concerns will pop up as they always do and I will be there to help.

[@USABrendan]

Love your informative videos. My 2014 Escape blows nice and cool except on hot and humid days (GA climate) at engine idle. I had the system recharged by the dealership and replaced the evap sensor with the new angular one recommended by the TSB. Airflow thru the pollen filter is good too. Any ideas of possible problems? I noticed that the liquid line pipe that’s next to the pollen filter cover was very hot - too hot to touch. Is this normal? Thanks

[@azmaximus5050]

Great video! I'm getting a tapping noise when the clutch engages on my F150... The air still works but could probably be cooler. Is this the clutch or a bearing on the compressor? I appreciate your insight!

[@TheBobbalu]

Oh I also want to tell you your video help me start it I bought it it wasn't running watch your video followed your steps car started right up thank you so much

[@maurom.9608]

Scion xb condenser

[@patrickpeterman4890]

what should I look for when purchasing a remanufactured or new ac/compressor for ford triton v-10 415 6.8ltr 2valve gas naturally aspirated engine; appreciate your videos and your advice I am learning a lot please continue producing your videos people like me really need them,PATRICK.P

[@aeyb701]

My mechanic referred me to a well regarded local independent rad/cooling business for my crown Vic Ac dysfunction: more specialized, familiar with all popular brands and fast. Costly but I think done right.

[@docmiaz]

Great video! I replaced the blower motor and blower motor resistor on my 2010 Ford expedition because the ac front fans will randomly shut off. Then come back on but I'm still having the same issue. I guess I should replace my A/C compressor next?

[@48Marlon]

Thanks for sharing the knowledge.

[@nacelylovo7089]

Thanks so much! Truly needed this info

[@DavidMessina89]

Hey thanks for making the video! I have used a few of these to resolve issues with my own 2011 Escape. I do have a question for you regarding the AC. Basic symptoms ... AC blows very cold, but only when it wants to. I find that the closer it gets to 30Celcius, the less likely it is to work. When it stops working the fan is still blowing but all I get is hot air. Every once in a while it may or may not get cold for a minute of two and then stops again. Any ideas? From what I have found online with this issue, it involves replacing the whole system which I am hoping is not true. Thanks again!

[@craignehring]

Great work, thank you

[@dirkZigander]

Thanks , Helped a lot with my R&R of compressor on my 04 Exped... I want to make vids to give something back to You-Tube for all the incredible DIY vids I have used to keep my Fords and Jeeps operational. What Video Camera rig and editing software do you recommend...

[@kennethwolkens6251]

Thanks for this video. Liked and Subscribed. My Daughter's 2012 F150 has a weak compressor as the manifold gauge set readings match the readings you show in the video. My question is will the AC system need to be flushed? I do plan to replace the Compressor, Condensor, TXV, and Drier. Thanks in advance for the advice.

[@AFG305Z]

your the best man all your video is awesome

[@ahayward6002]

First off, you make great videos! I have a question about disinfecting hvac boxes. What do you think about the Kool It Foam cleaning system and systems like it? I have a 2009 Explorer and my throat gets itchy and I cough when I turn my heat on. I want to start at home with a good cleaning before I search again for a shop to do the work. I've tired 4 shops and no one has a clue of how to clean out the system. One mechanic recommended a detail shop may have the equipment.\ needed. Ozone systems are used at a rental car company near me to remove the smell of smoke. I hear Ozone also disinfects. Your thoughts would be greatly appreciated. Thanks!

[@ghettojohnny]

Hello Sir, I love the Videos. I've got a question for you. I recently replaced a starter , battery and cables using your videos and now my A.C Compressor is not working. I checked the fuses thinking something was blown , nothing. The Clutch is not engaging. Any suggestions? It was working before the starter replacement. Thanks for any suggestions/help.

[@TheBobbalu]

Thank you for getting back to me did some more work on tonight just added some more freon got it to blow at 55 degrees but that's about as cold as it gets at RPMs under $2,000 blows around 60 more like 65 sorry

[@peppi7777]

Can you create a video showing or sharing why on the high side the psi is all the way maxed on the gauge and on the low side blue ,it reads the 30 psi ? Thank you. Your videos are amazing and very informative. I have a 2010 ford escape XLT flex fuel 3.0L V6.

[@joseantiveros1922]

Thank you for sharing it is great info for me Thank you again.

[@j06c]

can you do a video on recovering and recharging a system. Before you had your ac machine.

[@CARRJ142]

Another great video.

[@TommyThemachinegun-nz5el]

I love what you do I got one Question I got a 2009 Ford Flex when I put on the AC on the front vents plow hot air when put the Rear AC on in plows cold. Do you think it is a AC pressure sensor and how many pressure sensor does it have

[@craigcammarata1662]

Hey Makuloco love all your videos! Hoping you can offer some help. I have a 2008 Ford escape hybrid, ac not blowing cold at all. I’m getting 35psi on the low side and 75psi on the high side while it’s running. Compressor is engaged and running. The pressures do not equalize when I shut the engine down. The low side moves up to like 42psi, the high side stays at 75psi. Could the passenger compartment bypass solenoid have anything to do with this? Is there a way to test that or bypass it? Appreciate whatever advice you can offer

[@jamesguan9392]

Could you do a video on a variable compressor similar to the ones on the 2011 - Present Explorers?

[@holec0591]

Hey, I ove your videos!!! I was hoping to get some help xD My AC would stop working when it was really hot outside (middle of the day). I bought some manifold guages and the pressure is reading 70PSI on the LOW side and 325PSI on the High Side. Based on all the videos, these numbers seem to high. Now this truck was purchased used and the clutch air gap needed to be adjusted. The AC is working but it's not cold enough. Could this be a failing compressor? Thanks!

[@mrau92me]

Enjoy your videos. So, if I can easily spin the compressor's clutch plate with my little finger on my son's 07 Mazda 6 w 150k mi, would you consider that (a) a catastrophic failure or (b) can I just have the system evacuated, replace the compressor and receiver-drier, then recharge it and call it good for another 150k? Thanks!

[@motecalevol]

I have a 2002 Sport Trac which has a FS-10 Compressor. Air blows cold (40 deg) at speed, but it warms up (60 deg) when I stop. I have checked my charge and topped it off a couple of times over the years. 3-4 years ago, I replaced the orifice screen. I also replaced the fan clutch (my truck has a belt driven fan). And I also removed a shim from the compressor clutch because my air would sometimes just start blowing out hot even at speed. I am suspicious that maybe the compressor just isn't pumping as much refrigerant thru the system as it used to. If I rev up the engine to 2000 rpm or so, it gets better, but not great. 2 minutes after I take off, it will cool down to 40 degrees and stay there as long as I'm moving. Seems to do the same if the AC is on max or regular. The truck does have 300,000 miles on it and I am still running the original compressor.

[@THERIGGEDONE]

First off great video, I just suscribed to your channel. Now to my AC mystery, here are the specifics. 1998 Honda CRV, Low side 40PSI, High side 175PSI, both cooling fans turn on when AC is on. AC is ice cold at idle but compressor turns off while driving(verified with diagnostic tool), replaced ac clutch relay and high pressure switch but the issue still remains, no leak in system. Have you seen this symptom before? Thanks.

[@miami1393]

hi, I have a cousins 94 Honda accord, I've completely flushed the evaporator core when I replaced the expansion valve and drier. did a full vacuum for 45 mins and waited 40 mins to confirm there were no leaks. the manual calls for 21.2-22.9 oz of r134a, so I charged it with 22ozs (used a refrigerant scale with my 30lb tank - no I'm not a pro, just a serious DYIer with a love for tools and car repair). I have a vent door problem cuz the passenger side vent blows about 10° cooler than the rest, but still only get 61° on the cooler vent on an 84° weather and +/- 60% humidity. sometimes when I first start the a/c the clutch on the compressor won't disengage running it constantly, so I cycle it on & off and then it starts and stops as it should. readings appear normal, 35/150 for low/high respectively to 40/175. revving up the engine to 2000rpm if it's really hot outside it'll go to 55/220 respectively. I cleaned the condenser with a condenser foaming cleaning solution, pressures went down a to 35/175, but no change in vent temp. I believe the pressure switch works properly. once, I revved it up to 2500rpm and the pressure rose to almost 300psi, then it went back down. (it also was rising to 300psi constantly before and I could hear the pressure relieving, which led to my replacing the expansion valve for a. new one. A/C fan turns on when the compressor clutch engages. static pressure with engine off is 75low & 110 high. is this a worn out compressor or what else do you think it might be? Thanks for your input, great videos.

[@bryancollins1642]

Hey Bryan. 2010 F150 XL. AC blows at 49 degrees which is okay on my truck but my fans run constantly on high and it's excessively loud. Nobody seems to know why but they only come on when AC is on. Any thoughts our vids of your I have not seen?

[@10cobra03]

Thank you for what you do. I have a question and I hope you see this. I just bought a 13 F-150 ecoboost 197k miles. I live in NY. Defroster off, A/C off. Ac compressor turns on for about 15 seconds and then off for a couple minutes and then back on 15 seconds and off. I just bought the truck and was told ac was working fine. Just curious what it possibly could be. Hope to hear back. Thank you, Eric.

[@kouza001]

Thanks for the video. I just bought a used F150 and the ac wasn't working at all. They fixed it before I actually bought the truck. It used to be super cold. But there was a loud hissing coming from the compressor for about 15-20 seconds after turning the truck off. After a while the hissing got really low and It's not cooling as good as it used to. I'm getting 60 degrees out of the vents. So its not completely warm but I wouldn't say it cold. There is definitely something wrong, right?

[@AlexanderHernandez-vu5tr]

Good Information always Thanks

[@brentcampbell3060]

hi....love your vids. I need your expertise on AC system. The clutch turns off and on rapidly. And it blows hot air only. The compressor is only two months old. I spliced two wires between the coil connector and electrical system. It's a 2007 Ford Taurus SE. Can you help me with my problem?

[@Bacongrease00]

2003 ford excursion, just rebuilt the engine, replaced condenser, vacuumed it once the engine was back in for 2 hours. Only pulled -26” but it held it I think my 5000 ft altitude has to do with it. I’m running like 100 degree ambient, 50-55 low side, 250-280 high side but I can’t get my vent temperature less than 55-60 when it’s this hot. Under 80 ambient it does 40-45f. I may have put too much PAG oil in it. What do you think?

[@ArtuFlako]

Hello, thanks for the videos, so waht if im getting good readins, checked everything in the system but still not cold air.

[@chucksutton182]

I like your videos my ford f150 xl 2010 freon is ok clutch keeps going on and off about ever 10 sce cab temp only gets to 60 outside temp 89

[@PrimalurgesMiami]

Bryan when I remove the dust cap from the high pressure side of my 07 edge I hear a momentary burst of gas and the valve is oily. I checked because I'm losing freon every 6 months. No one has been able to find leak. I mentioned what I thought was a leaky valve to the last place that charged the system and they said they'd change it. I want there so not sure if the did. I removed the dust cap to check and I heard the bust of has again. Is there any AC problem that can cause a good valve to leak or was I just dooped?

[@eliasvillarreal680]

Exelent video, Great.

[@noahhull]

Do you think the compressor you linked above is just as good as a motorcraft compressor? Thanks

[@TepcoCycleRepair]

Where can we find an ambient temp/to pressure chart to help determine what are readings should be based on ambient temps?

[@derekdlick2516]

Google sporlan p/t chart. R-134 usually for the low side should be two psi above your target evaporator temp. If you want a 40 degree evaporator about 42 psi is what you want. Evaporator temps usually stay in that ball park unless there is problem higher cabin temps will have a high e psi rating hotter days will have a higher psi reading. Condenser temps and psi change a lot and outside directly effects this. There is about a 10 psi difference in refrigerant temp for r-134 that high on the p/t chart. As a rule of thumb you want the condenser temp to be 2 degrees plus your sub cooling temp about the outdoor temp. In this video he has low high side pressure and high side pressure the compressor isn't squeezing enough heat out so the system has a low sub cooling temp which results in a higher super heat temp which is raising the low side pressure because it allowed to evaporate more than it should

[@Mrbadazz1995]

Hey Fordtech I have a 2014 explorer limited with the 3.5 the ac was not cooling well so I took it to the Ford dealership and they said I needed a new compressor and expansion valves wich I did install but the clutch itself stays engaged and dose not cycle on or off… I did notice after the new compressor and expansion valves the ac did get cooler and pressures check out well but not too cold… any tips on what you think might be wrong

[@slimflex1]

i got a question for you and i hope you can help me. my static pressure is 100 on both high and low sides. when i turn on the ac, the low side doesnt drop neither does the high side until I switch blower motor speed to high and then drops on the low side and rises on the high side. could that be a weak compressor?

[@williamcollejo4418]

you doing good. nice video

[@1tredavis]

I got something for you.... I have no low and high pressure reading on my ac system n my clutch does turn easy with my pointer finger

[@macknumber9]

Low side on my kia optima with a clutchless variable displacement compressor is reading high at idle rpm speeds...around 90 psi or so....if I bump up and keep the rpms at around 2500 it will drop to 70 and I will get cold air in the cab... Do you think I should get my hands on a pressure gauge to test high side too to confirm it is low and compressor is problem? I am thinking either compressor is worn or possibly even the solenoid valve in the compressor is stuck only allowing so much refrigerant in...not the amount needed to build up the compression and suction...

[@MattN03]

I have a 2008 F250 King Ranch. It's parked out in the sun all day with temps in the low to mid 80's. I'm seeing register temps in the 70' and finally dropping to around 40 after 30 minutes of driving. I've read the F250's have weak air to begin with so I don't know if this is normal? I just bought the truck from a Ford dealer with 19,000 miles on it.

[@fadys1394]

Hey, I have a loud ac compressor not cooling, static reading are 100 on both high and low at 85 degree, but it’s 10 psi on low and only 110 on high when compressor kicks in, do you think its a bad compressor? Thank you

[@Emdsd45T]

06 e450 6.8 had the fan clutch replaced iam wondering if the mechanic installed the wrong fan clutch because when van idles and its hot out air conditioning blows hot and soon as the rpms go up it blows cool again

[@saitamanation5579]

My ac builds pressure when empty and if i try to put freeon in, the low side jumps pretty high and into the red section in the gage. I can put enough for the compressor to start, it cycles on and off like it should but i can not reach the desired amount because like i said, it shows high pressure. The cycling switch is new, the switch on the high side also works. I checked relays, all good. Orifice tube was dirty but i cleaned it with air intake cleaner. Should i replace it? Not sure why the system is building pressure, i thought maybe a clog and when i saw the tube dirty, the only thing i can't check is the evapo, it has a case and seems like a hassle to take off. I went around through the system blowing air throug, I blew air though the evaporator and the air went through it fine, both ways. I hope that's ok. I read maybe a weak compressor, I looked for leaks. I think some pressure builds up when the compressor is off but it gets higher when it turns on...🤔

[@nolancarnahan344]

I have an issue with my a/c I’ve been chasing on my 03 f250 6.0. My a/c relay only has power on the control side and I’m not getting power the the compressor. Where could I be loosing power? I’ve already check both the a/c clutch fuse and the climate control fuse both seem to be good.

[@JaribDopp]

I’ve got a question I’ve got a 2016 Ford focus that is kicking my butt. Both of the pressures were staying the same with the compressor running. I thought it was a blockage. I have replaced the condenser compressor and expansion valve evacuated the system pull the vacuum recharge the system, I cannot get more than 12 ounces of Freon in the system and with a compressor running both sides are at 100 temperature outside is 102°

[@randyrose1140]

thank you for starting a series on the A/C system. My wifes 06 Expedition been driving me crazy. Not sure why compressor clutch is not engaging. Been upper 90s for few weeks. Been chewing my ear for a while! (understandable).

[@FordTechMakuloco]

pm me on facebook maybe we can fast track your repair together.

[@dennisberg2474]

So I have an expedition low side is 35, high side 150 but doesn't blow cold. Last summer the front dash stopped and today the rear stopped working. I'm under the impression the compressor is fine, but the pressure gauges really don't move more than 1lb over 15 min with ac on max. Any ideas?

[@joshcofield30]

I have a question, I have a 2004 Expedition I just put a new compressor on. The system calls for 14oz of PAG 46. Now that I have put the oil in I don't have enough room for freon. What do I do now

[@DanMarcelino]

Are there any electronic components that can fail? I have good pressures and I hear and can see the compressor knocking on and off, but it’s just hot air coming out.. also we just replaced the old refrigerant with fresh new stuff

[@akiramiyazono]

I'm about to change the ac system on a '03 Expedition XLT 4.6L. It makes sounds when the air is blowing, hissing sounds on top of not blowing any cold air. Any ideas as of why? My guess is that is related to the AC directly, but I could be wrong. (have never done this before)

[@mattcatron419]

my daughter has a 2005 f150, it has 200k miles on it, but runs great. lately on very hot days, they have been driving, with ac on, and all is good then they get warm air, truck temp starts to go up... is this a sign of the compressor going bad?

[@chrisrye9128]

Thank you!

[@jin6000]

Thanks so much!

[@JawadKhan-hz9sc]

I have a 2007 Lincoln town car. The ac compressor is running all the time unless I unplug the relay. I unplugged the low pressure switch and it still on. Replaced the relay but no luck...any suggestion?

[@marktirabassi7873]

My 2002 volkswagon jetta compressor doesn’t engage. I don’t think it has a power signal. It’s a 3 wire pressure switch so I don’t know how to bypass it? Gauges reading zero? Fuses good. I ordered a ac module relay. But I didn’t know how to test it? Should I order a volkswagon Manuel? Or can u give one tip in trouble shooting it blows warm air.

[@malan828]

I need help, i have a 2004 Ford E-150 conversion van it has a dual cooling system for the front and back i have spent $1,500 already and the shop had no success the a/c works amazing while on the highway or doing 40 mph but as soon as i stop or drive slow in traffic the a/c is hot! (I will take a reading with the probe today) do you have any suggestions for me?

[@TheBobbalu]

I appreciate your videos as wonder if you could help me I have an 08 Mercury Mariner the AC pressure is about 55 on the low and about 1:30 on the high could you tell me any diagnosis you might gather from that thank you I really appreciate it

[@FordTechMakuloco]

scroll valve inside the compressor but it still is best to just replace it with a new unit.

[@Sjhssucks]

Very informative video! Ive got a question for you. The line going into the evaporator after the FOT is freezing cold but the line coming out if the evaporator is warm and the accumulator is warm. What are the possible causes of this? A flooded evaporator maybe?

[@luisvillarreal599]

I have a 2011 ford f250 king ranch the ac work good then all of a suden no more cold air comes out takes a while then cold air come back on.any ideas?please help

[@firasalwakeel5365]

Hey, I have a 2010 Ford Escape 2.5 cyl that I have been having a/c issues. Please can you help me? Issues: 1- The number 1 selection on the fan speed stopped working 2- The a/c compressor stopped working 3- The radiator cooling fans started blowing on high at all times. Fixes: - Changed the Heater Blower Motor Resistor with aftermarket part and it is working on all speed. Diagnoses: - Checked the a/c pressure lines (50/150) - If I unplug the a/c connector plug from the compressor, the fans are working as it should be - Checked the (fans, a/c) relays and they are working - Every time I am unplug the a/c relays and put them pack, the compressor kicks in for 5 seconds then stopped.

[@dcarroll221ify]

Hey I have a 03 crown Vic and when we put a 12v meter on the wire leading to the compressor it turned on so does this mean it's bad or what

[@JustinLaFleur1990]

My 99 Ford Crown Vic's A/C blows hot air when on norm or max A/C. Another side effect is when the A/C is on my car will overheat, but won't overheat when the A/C is off or I'm running the heater, vent, or defroster. Is this an indication that the compressor is bad?

[@Nevercouldfigureitout]

Great video as always! I have two questions. Where did you get your holder for the two propane torches in the back ground? I have a 2011 fiesta that cools great but sometimes it will throw intense heat out for a small amount of time then go back to cooling fine. I've not put gauges on it yet but I'd almost think it was something other than a charge issue. What's your take?

[@FordTechMakuloco]

These are the torch holders I got- amzn.to/2aUjZ2S

[@FordTechMakuloco]

Well you will have to see if the compressor is still on when the concern is happening. Also if the cold air turns to heated air not just ambient temp then I would say to go after the temp blend door actuator. When they go bad they can hunt.

[@Nevercouldfigureitout]

+FordTechMakuloco thank you sir, I'm placing a order for that holder now lol. I'll take a look at that blend door and see if that's the culprit, car has 98k now and yes when the problem occurs the air is super hot. Thanks again, I've been able to use your videos for a few things specific to this fiesta and it helped me out more than you know.

[@waynecarr9150]

Thank you!!

[@sergiodjf]

The AC compressor on my 2016 Ford F-150 failed two years later. Fortunately was still under warranty, they also had to replace the condenser coil 🙁

[@coryh8263]

I’ve got a 2012 Escape XLT and the AC does not blow cold air when the temperature is above 70-75 outside. Is there a fix for this?

[@hardtotherim]

I have a 2001 F150 4.2L V6. Whenever I turn on my A/C the A/C compressor will turn on and after a couple of seconds turn off. It repeats this process as long as the A/C is on. As a result the engine will rev a few hundred rpms every time the A/C compressor turns off and lowers once it turns back off. This also makes the process to fill my truck A/C systrm with R134A refrigerant impossible. Just curious, what is the problem and how do I fix it?

[@dprince86]

Mine started blowing the fuse for the A/C clutch it will run a few minutes blowing cold and blow the fuse for the A/c clutch again what direction should I go from there?

[@Just2362]

Mine reads 65psi on the low side and 250psl on the high side after letting the vehicle stabilize and the ambient temperature was 75°, the temperature coming out of the vents was 75°

[@03marlon078]

I have a problem with my AC and I need to know why he turns on whenever he wants, there are times when he is on and he is blowing cold air, but after a while he starts to blow hot air. I imagine it could be the accumulator because it is not working well, what could it be please? has enough freon i drive and grown victoria police intercepted 2010

[@donaldfarrare1686]

I got a 2017 explorer when i turn the ac on the belt squeal . Sometimes it stalls the motor

[@benjaminnunez4395]

Can the compressor cause a rough idle? I have a 2013 Ford Explorer and doesn’t have a rough idle until I turn on the ac?

[@travisdowdell7432]

I have a 2007 mercury grand marquis can you tell me why my a.c. clutch constantly engaging compressor and drop my rpms really low? Help please thx

[@warfareornothing]

Definitely that time of year I have so many ntfs at my dealer just because customers think the A/c should blow ice cold in 5 min

[@ricardo0349]

When using the gauges to see if the system is properly working, do you have all the Hi & Lo knobs fully open or closed when attached to the car & Gauge??????

[@FordTechMakuloco]

They should be closed.