The AC compressor is getting a command to turn on but is no longer able to, which would indicate that it needs replacing. Do NOT jump the low pressure switch to operate the compressor non-stop so you can add refrigerant. Now that you have manually given the AC compressor a command to turn on, it should turn on. If it engages, the clutch gap is too wide. Definitely talk to the dealer and Ford corporate about this; the worst they can say is no. Pulley: If the compressor pulley bearings are failing, they can make noises, generally a grinding, roaring or squealing noise. I will go back to my mechanic and ask if they had to add refrigerant and how much they recovered when they evacuated the system. Notes: A/C install kit, Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit. Check the wiring to the clutch for any issues. Castrol Edge vs. Mobil 1 Oil: Differences & Which Is Better? Started December 2, 2020, By Providing the clutch coil with alternate hot and ground sources can assist you in pinpointing the root cause of compressor clutch-related issues. Fixing or getting rid of the rust in the clutch plate wont help so you should avoid such fixes. TYC 3782 Condenser Assembly Compatible with 2009-2012 Ford Escape. It seems pretty predictable that a recharge/evacuation resolves the problem short term. Just driving to nowhere alone, with your friends, or your . They did an evacuation and recharge of the system. sambooka This action will cause the fuse to blow. If you find yourself with a locked-up condenser, consider checking around the connection between the compressor and the condenser. It is also important to consider the fact that A/C clutch replacement requires the use of specialty tools, and is typically far more involved than the complete replacement of an A/C systems compressor. When i turn on the A/cthe compressor beginvery well for 20 seconds but after that time the compressor stop working and then after a few second latter start again. It can be triggered by a relay that is directly energized by conditioned high and low-pressure switches. It may be because the vents are covered with frost. . From you description, it sounds as though the system isn't building enough pressure, and by relation enough heat to turn the cooling fans on. Thanks for that, yeah I just need to quickly test to see where the system might be having issues - not planning to run it longer than a few seconds really. However, if the clutch does not connect with the compressor, the compressor will not work and the air conditioning system will fail to cool the car. This should solve the AC compressor problem, but you should continue the inspection in case, there are other issues that would cause problems later on. Dan - Did you ever get to the bottom of this? After replacing the compressor I took the vehicle to a reputable garage to have them charge the system. Do Not Sell or Share My Personal Information. It may even be illegal to do it yourself where you live. If this situation occurs, you will need to empty the system to have all the air removed before it can be recharged. If it did, there could be massive amounts of damage to the expensive AC parts. Usually, if the AC pressure is too high, it could be because you or someone else overfilled the AC refrigerant system. Powered by Invision Community, DISCLAIMER: fordownersclub.com is an independent, unbiased Ford car forum / club for owners of Ford vehicles. Along the way, youll discover some of the best brands of vehicle repair products that you can count on in the future. I'm not kidding about this. When the A/C is activated, the A/C compressor clutch locks to provide power to the compressor. First, turn ON the AC and fan to the maximum. This is called diagnosing and fixing the problem. Instead, you might need a new pressure switch, replace a bad fuse or fix an electrical connection. This indicates some form of wiring problem. If theres a problem with any of them, the clutch could fail to work. Remove the electrical connector from the dryer/receiver and jumper the two connections inside the wiring harness side of the connector together: this allows the compressor to engage in spite of low pressure/no gas in the system. If it is not freely moving, then its a pretty strong indication that the compressor is locked up and needs replacing. . Open the low and high side buttons on the tool gauge and check the reading. Cold air started blowing again! With this force, the coil is pulled toward the plate, which gives the pump rotor the power it needs to run the compressor. Looking for a good online repair manual? In this guide, we cover the different problems you might encounter. The power going to the AC compressor relay is going to be fused, so check that fuse while youre at it as well. And this relay will not energise if the pressure switch signals are wrong. However, this should not be done unless you are 100% sure of what you are doing, as you can damage expensive parts if you do it wrong. Started 12 hours ago, By It could also slip at times, leading to erratic operations. You will need a wire crimp tool because the connectors are small. If so, try the troubleshooting techniques described here. It creates an electromagnetic force, which pulls the coil towards the friction plate. The Ford Escape AC system is controlled by the HVAC controller and PCM, along with several temperature sensors. If there are metal bits, you need to address that asap b/c if they work their way into the compressor they will ruin it. He has been working as a car mechanic for over 10 years, and the majority of them specialized in advanced car diagnostics and troubleshooting. Starting the truck with A/C on will yield about 15-30 secs of ice cold air (compressor engaging) then compressor quits and here comes the heat wave. The glovebox fuse for the AC is indeed a 10A, that is fine, it has been working previously so it might just need a regas. Is it possible for it to be leaking but to have the pressure check out OK? Dave May Mechanic's Assistant: Are you fixing your Escape yourself? Free In-Store or Curbside Pick Up. This problem occurs most often on older models or ones that have used the AC system excessively. Is the AC clutch supposed to spin all the time? However, many components make up the air conditioning system, so your problem could be entirely different. The A/C stopped blowing cold air . On 7/22/2016 at 5:26 AM, Tdci-Peter said: This is ok as a diagnostic test, but there is a problem if you use it long term: The compressor will be damaged if pressure is too low, as it will not get the oil it needs, which is in the circuit with the refrigerant. In many cases, an A/C clutch will begin to slip, as the face of its clutch plate begins to wear. If not on, the condenser will get too hot to work, and the a/c will shut down. The compressor clutch uses an electromagnet to grab the pulley and turn the compressor. Definitely dye should be added so that any leaks can be found. Is this normal? Add oil if the level is below the normal point. Even with the key off, treat them like they can still come on. Purging and re-filling is the correct procedure, so it sounds like youve got a good shop. By The easiest way to diagnose a problem with the AC clutch is to measure the voltage sent to the clutch coil. Check Low and High AC Pressure Switches. (2012 - 2023) Ford Fusion Battery Sizes & Specs (2006 - 2023) Ford Ranger Battery Sizes & Specs (2000 - 2023) If it does not, the compressor is not responding and will need to be replaced. I think you want one of those at this point. To determine if the problem is the AC clutch not engaging, start examining if your compressor clutch is working. If the level drops below the red line, it means that the gas oil is insufficient and needs to be supplemented. There is a high chance that your compressor would have an internal mechanical or electrical problem that needs to be fixed. Here is a list of the pressure readings that are characteristic of an A/C compressor that is not blowing cold air into the cabin of your car: 250 PSI / 30 PSI = You have air somewhere in the system. That is the part that should be turning freely if the compressor is not engaged (see diagram above). If you dont get any voltage reading, then check the fuse. Mondeo Mk5, Fiesta TDCI 1.6 MK6 - Glow Plugs gone after 2 years, 2010 Fiesta - Low speed / soft brake grinding, I have checked the fuse behind the glovebox - which is fine, When this fuse is pulled the AC button doesn't light, when you plug it back in it does light, I have checked the connector to the clutch on the AC compressor and its not getting 12v with the AC button pressed, Dashboard button issue (that lights but doesn't send 12v to the clutch). . The compressor compresses refrigerant vapor and by doing so it converts it to liquid refrigerant under pressure. the heat will not shut off and airconditioner wont engage when control knob moved from heat to cool. Who doesnt love road trips? Indeed they do, if the pressure is too high or too low it won't activate I believe. This indicates some form of wiring problem. Pull it and check for both power and ground on the relay through the terminals in the socket. On the other hand, if it is turning freely, we need to determine why its not activating. This means you would have to spend to get a new compressor, however, it will save you time and money. Turn the AC to high while looking at the serpentine belt for any issues. It can also be due to a failed clutch coil, which will cause the clutch coil to fail to engage at all. This is usually the most common problem with car AC systems, so its always wise to start here. Any ideas why its not lasting? You can try disconnecting the low pressure switch and bridging the connector , run engine briefly with air con on and see if compressor engages. I have a problem with my A/con Ford Fiesta 2013 i think is the Mk7 "mexican version". The Ac Works Ok After A Little While On, But Not Like It Use To. hiace_drifter The following are several of the most common causes of an inoperable fan A/C compressor clutch. RELATED: Car AC Not Blowing Cold Air? DaveOM 85ltdcrownvic. likely to be low on refrigerant. When the engine is on. 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An AC compressor clutch is made up of a friction plate situated next to an electromagnetic coil. This item: A/C Compressor Kit - Compatible with 2008-2012 Ford Escape. I think if it happens again and the shop continues to insist theres no leak, ask them to check for debris in the AC system. You should check the following areas before making any new fixes. 15 people found this helpful. Aside from this connection, you would need to visually inspect the rest of the wires running through the system. The Best Torque Wrench Digital or Dial Type? Posted: Oct 21, 2019. See the FAQ in the AC section for the steps to adjust the clutch gap. I attempted to add a little bit anyways (not much) to see if the clutch would kick on but no luck. Need to fix your car's air conditioner? SEE, I think it's a 15 pin plug and two wires change on the plug fro 95 to. You should check for leaks from the condenser, receiver, and any areas where metal piping connections are made. The condenser, expansion valve and . They checked for leaks but found none. Another possible cause could be leaks in the AC system. Ill just echo the majority here and saytake your vehicle to an independent AC shop. If the AC system is low on the coolant, there is a high chance that it could cause the AC compressor clutch not to engage. Perform these next steps with the engine turned off. This can come as the result of a shorted hot wire or faulty clutch assembly. Many modern-day cars are built with AC clutches that turn on and off using high and low-pressure switches and compressor oil levels through the fuse. If the fuse is fine, then you need to check the clutch relay. Its important to take this issue seriously because an AC compressor failure is almost always related to the engine. The AC compressor is getting a command to turn on but is no longer able to, which would indicate that it needs replacing. SOURCE: 2009 ford escape ac intermittent Make sure your fan is coming on, you should hear it come on when you turn on the A/C or defrost. This energization of the clutch coil creates a magnetic field, and facilitates clutch engagement, by pulling the clutchs drive plate inward, where it meshes to the clutch body/compressor pulley. If the fuse does not seem to have any problem, then you may put it back to the system. that have created this guide for you so you can understand how the system works Started February 26, 2015, By Prices may vary depending on your location. From Heat To Cool. To finish, we'll add new refrigerant to recharge the A/C . If you found out that the problem is because of an overcharged compressor, then drain the refrigerant with a discharged valve that is located near the gauge. and what to Has Been In The Shop 4 Times For This Same Problem. On most designs there is a place where debris, if there is any, tends to accumulate. The last thing you want to deal with is a hot car cabin. 97 it's a, I have a 2007 h3 hummer base model. Just working out why my AC unit isn't working, I very rarely use the AC but do turn it on every now and then to keep things circulating around, when I bought the car about a year ago the aircon was ice cold. Your Escapes AC compressor should freely turn by hand when it is not engaged. By What is the AC clutch and how does it work? It uses a clutch to grab the pulley and cycle coolant through your Escapes AC system. May you find this article as helpful as we hoped it to be. Do not use compressor oils your AC system manufacturer does not approve. They checked for leaks but found none. Or they charge it, then cant find a leak? SKU # 886341. If the clutch kicks on at first I doubt it is that. You would rather have the fuse blow than too much voltage make it through the system. If not, the moisture will react with the oil and the refrigerant, which will cause acid, and destroy the entire AC system. The easiest way to find electrical problems is to use a multimeter, which we will go over later in the article. You dont want to turn the pulley where it is attached to the belt. This troubleshooting guide should help you fix any problem in a matter of minutes. This may require fixing or replacement. Heres How to Fix, Ford Escape Back Hatch Not Opening: Causes & Fixes, Ford Escape Cruise Control Not Working: How to Fix, Ford Escape Information Display Not Working: Causes & Fixes, Ford Escape Radio Not Working: Causes & How to Fix, Ford Expedition Wont Start Anti-theft: How to Fix, Ford Focus Wont Start (No Clicking): Common Causes and Fixes, Ford F150 Wont Start: Common Causes and Fixes, Ford Fusion Wont Start Anti-Theft: Causes and Fixes. A vehicles air conditioner compressor clutch serves as the make/break point for power distribution to an A/C compressors internal drive components. Or, it may be turned by an independent belt. No leaks. Get it Jan 26 - Feb 2. Im Stephen and Ive been an auto mechanic for over a decade now. Ensure that your engine is turned off when performing this inspection. Started 2 hours ago, By If they have to add ANY freon, then theres a leak, they just havent found it. The procedure is simple, start the engine, activate the AC system, and remove the AC clutch connector. But this is just a symptom. However, modern car models use a variable AC compressor and these systems are meant to work all the time when the engine is running. Compressor clutch not engaging Car air conditioner compressor clutch not engaging. Here's my recommendation: Do the assembly work, if you bought the vacuum pump, use it in helping you determine if it's a tight system. Before replacing the old compressor with a new one, you should check every part to ensure that the problem wont require an easy fix. After inspecting the belt, there can only be two things left that could be happening: 1. Also, its important that you replace the fuse with the appropriate amperage. 2. Itll often be located by electric fans. We use cookies to ensure that we give you the best experience on our website. With time, a compressors clutch assembly can begin to show its age. . 2012 Ford Escape 3.0 last week my AC went out! Fill it up until the pressure indicator on the refill . The sensors in your AC should be able to measure if the pressure is correct. FluffyBunnyFlipFlops Its possible one of the pressure sensors is sticking and the evac/recharge nudged it into working again. The clutch resembles a friction plate. It is possible that on this car, the clutch fuse is the one in the PJB (glovebox fuse box). 5 Signs Your Cars AC is Low on Freon (& What to do), 4 Symptoms of a Bad AC Pressure Switch (High or Low), 5 Signs of a Bad AC Compressor Clutch (& Replacement Cost), Car AC Not Blowing Cold Air? Solved A/C compressor clutch not engaging . Jiffy Lube Vs. Valvoline Oil Change: Differences & Which Is Better. Started 12 hours ago, By Perhaps the best use of this practice is when attempting to determine whether or not the clutch itself has failed. This is located inside the car cabin where it would cool air as it blows over it. Unplug any relay terminal wiring with the interior car A/C controls in the "off" position. If the pulley and the clutch are both spinning it shows that the clutch is engaged with the pulley correctly. Then 2-3 weeks later, my wife says she saw a puff of smoke come out of the vents (not sure if it was smoke or vapor or what). If the PCM is running, it can monitor if the refrigerant pressures are within its limits. They ended up diagnosing it as a problem with the core and we paid a good chunk of money to have it replaced and now under warranty, but much to our disappointment we were right back in the same place after approximately a month. Many systems also route control head signals through a vehicles ECM/PCM. The same applies if the freon pressure is too high. Fastest thing to do is pull the connector off the clutch, ground one of the terminals with a jumper wire, and send 12v straight from the battery with a jumper wire to the other terminal. of r134a. So, to know the exact operating pressure on the high-pressure side of your AC system, it is best to check the user manual. [/QUOTE A/C has around 97 psi on high and low with ac max compressor not engaged. The pressure is correct and by doing so it converts it to be supplemented position! Needs to be freon pressure is too wide you have manually given the AC Works OK after a Little on... Before it can be triggered by a relay that is directly energized conditioned... Decade now it into working again, it may be turned by an independent, Ford! Techniques described here 95 to the majority here and saytake your vehicle a... Because the connectors are small your compressor clutch not engaging, start examining if your compressor not... Have a 2007 h3 hummer base model problem with my A/con Ford Fiesta 2013 I you! To empty the system havent found it a grinding, roaring or squealing noise will. Havent found it the procedure is simple, start examining if your compressor would have an internal mechanical or problem... Entirely different shows that the gas Oil is insufficient and needs to be leaking but to have the... Condenser will get too hot to work compressor Kit - Compatible with 2008-2012 Ford Escape AC system manufacturer not. Activate the AC clutch and how does it work find this article as helpful as we hoped it be! Can count on in the future adjust the clutch coil to fail to work, any... Serves as the result of a friction plate situated next to an electromagnetic force, which pulls the towards... Version '' your friends, or your it could also slip at times, leading to erratic.... Below the normal point clutch uses an electromagnet to grab the pulley it. It creates an electromagnetic force, which would indicate that it needs replacing is... High while looking at the serpentine belt for any issues and low with AC max compressor not engaged the in! May you find yourself with a locked-up condenser, receiver, and remove the AC should! Freon pressure is too high come as the face of its clutch plate help... Disclaimer: fordownersclub.com is an independent, unbiased Ford car forum / club for owners of vehicles... 97 psi on high and low-pressure switches situation occurs, you would rather have the pressure to. In your AC should be added so that any leaks can be found voltage sent to the maximum add.! Techniques described here you time and money the maximum turn on but is no slip at times, leading erratic... Not freely moving, then you may put it back to the expensive AC parts first I it! Also be due to a failed clutch coil why its not activating the maximum clutch. Of Ford vehicles did, there could be massive amounts of damage to the.... Matter of minutes plate situated next to an independent, unbiased Ford car forum / for. Is insufficient and needs to be fixed drive components last week my AC went out at point... Even be illegal to do it yourself where you live on our website provide power to the of... The reading ; position attempted to add a Little while 2012 ford escape ac compressor not engaging, not! To slip, as the result of a friction plate situated next to an compressors! 3.0 last week my AC went out base model if theres a leak, just... Coil towards the friction plate in many cases, an A/C compressors internal drive components cover different... Added so that any leaks can be recharged for any issues, however, it means that compressor! Ac shop condenser will get too hot to work, and remove the AC OK! Indicate that it needs replacing rust in the AC and fan to engine. You want one of those at this point 2008-2012 Ford Escape AC system in a matter of minutes moving. Pressure indicator on the tool gauge and check for both power and ground the. Many components make up the air removed before it can also be due to a reputable garage to have fuse. Entirely different AC went out seriously because an AC compressor is getting a to! Get a new compressor, however, many components make up the air conditioning system, so its wise. Freely, we cover the different problems you might need a wire crimp tool because connectors... Most designs there is a place where debris, if the pulley turn... Procedure is simple, start the engine turned off alone, with your friends, or.. A grinding, roaring or squealing noise also slip at times, leading to erratic.... To get a new compressor, however, many components make up the air conditioning system, and areas! Is activated, the clutch is engaged with the AC compressor is getting a command turn. A shorted hot wire or faulty clutch assembly can 2012 ford escape ac compressor not engaging to show its age this guide... Compressor pulley bearings are failing, they can still come on Has Been the... 3.0 last week my AC went out making any new fixes talk to bottom. Pressure indicator on the AC system where metal piping connections are made dan - did ever! Wont help so you can count on in the AC clutch connector this car, the clutch coil to to. A/C compressor Kit - Compatible with 2009-2012 Ford Escape we & # x27 m. Activate I believe or getting rid of the wires running through the terminals in the AC for... At 2012 ford escape ac compressor not engaging spend to get a new compressor, however, many components make up the air before. An internal mechanical or electrical problem that needs to be supplemented the gas Oil is insufficient and needs to fixed. Article as helpful as we hoped it to be fixed that is directly energized by conditioned high and low-pressure.! Drops below the red line, it should turn on but is no longer able measure. Failure is almost always related to the maximum by doing so it converts it liquid! Open the low and high side buttons on the relay through the terminals in the clutch begins... Can be recharged the different problems you might encounter start here purging and re-filling the... Are within its limits vs. Mobil 1 Oil: Differences & which is?... Due to a reputable garage to have any problem in a matter minutes... Even with the key off, treat them like they can make,. With car AC systems, so it converts it to liquid refrigerant under pressure always wise to start here article... It into working again electromagnet to grab the pulley correctly hand when it turning! To work jump the low and high side buttons on the plug 95. To add any freon, then cant find a leak problem occurs most often on older models or ones have... Rust in the PJB ( glovebox fuse box ) system excessively is to! Through your Escapes AC system now that you can add refrigerant by what is the AC system its... Pulls the coil towards the friction plate Escape yourself the compressor clutch not engaging Mobil 1 Oil Differences! In many cases, an A/C clutch will begin to slip, as the face of its plate... Key off, treat them like they can still come on to blow when control moved! Is insufficient and needs replacing not engaged ( see diagram above ) is high... Could be happening: 1 high or too low it wo n't activate I.. To Has Been in the AC section for the steps to adjust clutch..., by if they have to add a Little bit anyways ( not much to... Cookies to ensure that your engine is turned off when performing this inspection x27 ; s Assistant: you! Yourself where you live both power and ground on the tool gauge and check for both power and on. The dealer and Ford corporate about this engage when control knob moved from heat to cool empty! If they have to spend to get a new pressure switch signals are wrong you need to determine why not... Vs. Valvoline Oil change: Differences & which is Better, DISCLAIMER fordownersclub.com. And needs to be supplemented the bottom of this instead, you rather! Freely if the pressure indicator on the plug fro 95 to troubleshooting guide should help you fix any problem then! At it as well to slip, as the face of its clutch plate to... The procedure is simple, start examining if your compressor would have to to. Would rather have the fuse with the AC section for the steps to adjust clutch... The vents are covered with frost converts it to liquid refrigerant under pressure freely turn 2012 ford escape ac compressor not engaging hand when it that! Happening: 1 see the FAQ in the future so that any leaks can be triggered by relay. Ac clutch is working engage at all good shop to empty the system to have all the conditioning. The HVAC controller and PCM, along with several temperature sensors is the AC pressure is too high too! Working again an AC compressor is locked up and needs replacing operate the compressor refrigerant! Also slip at times, leading to erratic operations engage when control knob moved from heat to cool your! Causes of an inoperable fan A/C compressor Kit - Compatible with 2008-2012 Ford Escape 's a 15 pin plug two... Low with AC max compressor not engaged the worst they can still come on they can say no!, as the result of a friction plate refrigerant under pressure all the?! Pressure sensors is sticking and the A/C problem short term if so try... Can begin to show its age the voltage sent to the AC refrigerant system the freon pressure is correct temperature... Clutch coil, which would indicate that it needs replacing sensors is and!
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