Providing the clutch coil with alternate hot and ground sources can assist you in pinpointing the root cause of compressor clutch-related issues. Itll often be located by electric fans. $62.21. Ensure that your engine is turned off when performing this inspection. Alexdeltaron -or-. Pennzoil vs. Mobil 1 Oil: Differences & Which Is Better? Thats why Ive decided to put up my very own website. You should check for leaks from the condenser, receiver, and any areas where metal piping connections are made. Check if this fits your 2012 Ford Escape. This helps the refrigerant to turn into a gas. 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. But to know what values to look for or when the circuit should be closed or open in them, you need to find a repair manual for your particular car model. When this takes place, cabin temperatures skyrocket, as discomfort takes hold. Todays modern A/C systems even feature dual-climate control, allowing each of a vehicles occupants to set the in-cabin temperature as desired. 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. Key on, engine off, test for 2 powers at the relay cavity. On a very humid day, especially if the outdoor temps arent that high, I often see this when the air cycles back on. If the fuse is fine, then you need to check the clutch relay. If you have no power then it will not engage the 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. 30 Answers 155 citrano2012 answered 8 years ago That is not normal, you may need to get the A/C looked at by an authorized dealer. You will need a wire crimp tool because the connectors are small. If the fuse does not seem to have any problem, then you may put it back to the system. The most common problem for that symptom is the fan relay burns out, and the A/C comes on strong but then overheats quickly making the pressure in the condenser get too high and the pressure cycling switch automatically turns off the A/C. laumk7 This is located inside the car cabin where it would cool air as it blows over it. Your cars AC system contains many electrical wires and connections. This can come as the result of a shorted hot wire or faulty clutch assembly. Try checking if the clutch is in good condition by applying these steps: Here is a useful tip: If youre not confident to do the examination yourself, it is best to work with a car expert. The clutch isnt going to normally wear out when its newer. -or-. Started 12 hours ago, By Started 12 hours ago, By Step three is not that complicated but it is delicate. The most common reasons a Ford Escape ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. Antonsd The Ford Handbook internet site does not seem to have the Mk6 Fiesta handbook, so I can not tell which relay is which. RELATED: 5 Signs of a Bad AC Compressor Clutch (& Replacement Cost). Mechanic's Assistant: Have you checked the Freon level? However, this is seldom the case today. might look to manually run the AC pump directly at the clutch end. Add oil if the level is below the normal point. The same applies if the freon pressure is too high. If you dont get any voltage reading, then check the fuse. and what to Has Been In The Shop 4 Times For This Same Problem. You may turn the air conditioning controls to FULL AC, then fire up the engine. However, if the clutch is engaging but the AC isnt cold, then there could be a leak in the AC system. Modern automotive A/C systems rely upon the use of several switches to operate efficiently. With no pressure in the system the low pressure switch will not allow the compressor cycle so that's probably the issue. As for the engine coolant temp sensor, if the coolant is not hot enough to make the fan come on, then there is no need for the fan yet and there is no problem . All Rights Reserved. 5 Best Fire Extinguisher For Cars Be Ready For Fire Emergencies. When we perform an A/C repair on your 2011 Ford Escape, we'll also do an A/C evacuation and recharge. This problem occurs most often on older models or ones that have used the AC system excessively. If they arent having to add freon, then either the compressors not engaging, or theres a problem with the doors or the fan in the HVAC system. If the fuse isnt blown, you need to move on to one of the other possible fixes. Has it been verified there are no leaks at the service port fittings? In this website, you will have access to a wealth of tips, techniques as well as important nuggets of car wisdom essential to maintaining your ride. If it is not freely moving, then its a pretty strong indication that the compressor is locked up and needs replacing. We took it to our mechanic (who I trust). In the on or engaged position, an A/C compressors clutch transmits 100 percent of the rotation force applied by an engines serpentine belt, directly to the compressors driveshaft. When the weather is hot, you want to know that your car AC is going to work the way it should. Opposite to an overcharged refrigerant is a compressor that has insufficient refrigerant. Each time Ive taken it in, they have said that the refrigerant pressure checks out OK. 3. No, old AC compressors with a clutch should not spin all the time. SEE, I think it's a 15 pin plug and two wires change on the plug fro 95 to. Belt: If the serpentine belt is worn . Along the way, youll discover some of the best brands of vehicle repair products that you can count on in the future. Your previous content has been restored. What Happens When There is Oil in The Coolant Reservoir? If you haven't bought one, don't. Charge the oil (unless the compressor cam precharged), press it to about 200 psig with preferably nitrogen and soap bubble check everything. Therefore, a lack of compressor clutch operation can often be traced back to a low refrigerant charge. They did an evacuation and recharge of the system. The Compressor Is Cycling More Often Than I Recall. Is the Fan behind the condenser working? 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. 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. (Or Is It Just a Convenience? 2. The club is not part of Ford Motor Company (UK or Worldwide) nor affiliated with or endorsed by Ford Motor Company (UK or Worldwide) in any way. Fixing or getting rid of the rust in the clutch plate wont help so you should avoid such fixes. If it is not working properly, consider replacing it with a new one. My 08 Forester was acting like this, except the a/c worked for a period of 2 - 3 months rather than weeks. The pulley should be turning and then the compressor clutch should engage. Definitely dye should be added so that any leaks can be found. I checked the compressor and the clutch will engage for those first couple seconds and then stop completely. Ford Escape AC Compressor Not Engaging: How to Check and Fix. Look closely and observe the front part of your clutch. We also examine what the AC clutch is and how you can fix it, so cold air will be in your future once again. If it has blown, your only option is to replace it. These switches directly influence power/ground delivery to an A/C clutch. m1tch, Check Low and High AC Pressure Switches. Who knows, you might get lucky like I did. My A/c Blows Warm Air No Matter What Setting It Is On. 225 PSI / 80 PSI = It is likely that the . 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. So they are saying there is no leak. I appreciate the help and sorry for me english it's very rusty. Paste as plain text instead, PRICE: 84.99. This is called diagnosing and fixing the problem. If the clutch doesnt engage with the engine on and the AC turned to the maximum, then something is now working correctly. If freon is low, it won't engage. To manually engage your AC compressor clutch, you must send +12v power on the cable to the AC clutch. RELATED: Car AC Not Blowing Cold Air? See Also: 8 Reasons Your A/C Is Not Blowing Cold Air. Started August 26, 2012, By This is to maintain system pressure and keep the seals from drying out. The following are several of the most common causes of an inoperable fan A/C compressor clutch. Do NOT jump the low pressure switch to operate the compressor non-stop so you can add refrigerant. Sounds to me like you have a leak somewhere. I too am thinking I need to take it someplace else for further diagnostic. Method 2: Jump-start The Clutch The process is a bit different for older cars that are not compatible with the R134a type. RELATED: 4 Symptoms of a Bad AC Pressure Switch (High or Low). 2012 Ford Escape 3.0 last week my AC went out! If this circuit is traced the fault of a open circuit can be found out. If you turn the AC off, the clutch loses its electrical energy. 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. If it does have power and you bypassed it then you need to verify power to the compressor. AllIcouldAf-ford TYC 3782 Condenser Assembly Compatible with 2009-2012 Ford Escape. Compressor does not run in any AC mode. In turn, the A/C system clutch disengages. 2-3 weeks later, we saw the same puff and then no cold air. Started 14 hours ago, By Do it somewhere quiet. 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. 4.5 amps, check clutch air gap. On the other hand, if it is turning freely, we need to determine why its not activating. The condenser, expansion valve and . The clutch is not getting a signal to turn on. Using an ultraviolet (UV) leak detection light, inspect thecondenser near the receiver/dryer cap for the presence of dye. Cold air started blowing again! The independent I use for this vehicle doesnt work on air conditioners, so I took it to the dealer. Thanks for the input guys, there are only 2 relays in the engine bay behind the battery - bit concerned about pulling them incase it resets something I shouldn't - do you know what colour the relay was? This does not in any way affect the price you are to pay for any Amazon product. Throughout the years Ive been lifting the hood and rolling under, Ive encountered just about every car trouble out there. SKU # 886341. We only use the commissions thereby generated to maintain the site. In most car models, only a +12v cable goes to the AC connector, but sometimes you can also find a ground cable. When I was troubleshooting mine I bypassed it with a bit of wire and the AC kicked in - the relay itself was fine though, it was a section of wire that had broken off from the connection to the pressure sensor on the high pressure side of the system that was making it believe there was something wrong, the circuit was open when it should have been closed or vice versa, My post here was what I did, it might be of inspiration. 3. During the intense summer heat, few vehicle features are as beloved by the average motorist as air conditioning. The a/c clutch normally uses a 10A fuse. 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). On the firewall is the A/C accumulator with the low pressure cutout switch. Leakage is a serious problem that you should address as soon as possible. As a result, no rotational force is applied to the A/C compressor's driveshaft. If there are air and moisture in the system, it probably leaks. Find a repair shop that can put a set of refrigerant gauges on the system. If theres an electrical short with the AC system, too much voltage can run through the compressor. Almost every major automotive manufacturer now recommends compressor replacement in the event of an A/C clutch failure. Let us now learn how to manually engage the AC compressor clutch. No matter where you live if your Ford Escapes AC compressor is not turning on, it can turn a pleasant commute into a nightmare (particularly if you have kids that are riding with you). You would rather have the fuse blow than too much voltage make it through the system. Its important to take this issue seriously because an AC compressor failure is almost always related to the engine. If you turn on the AC and immediately hear a rattling noise, there are a few potential causes: Compressor: If your AC compressor is beginning to fail, it can make a rattling noise. The dealer treated us right on this one: applied the amount I paid for the 1st recharge to the repair and also advised me to talk to Subaru of America about it since we were out of warranty. But if you see that the only one rotating is the pulley, then theres a problem with the system. not sure if these systems have a pressure failsafe where it doesn't operate if the internal pressure isn't high enough? Aug 19, 2018. If you notice rust on the clutch plate, it is an indicator that the compressor is old and would need to be replaced. Automatic gearbox jammed in PARK, easy to permanently fix free, MK4 St-Line Estate 1.0 125bhp economy & performance, My 2013 Ford Fiesta 1.6 Diesel is making a whining noise after the car is turned off, Speed limited engine malfunction with CAN fault codes, Touch up repairs - clues/recommendations/tips, Car starting too quickly on cold mornings? In many cases, an A/C clutch will begin to slip, as the face of its clutch plate begins to wear. The Ac Works Ok After A Little While On, But Not Like It Use To. You can use a jump wire to determine if your Ford Escapes AC compressor clutch is activating properly. If it did, there could be massive amounts of damage to the expensive AC parts. 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. With the air conditioner turned off, a vehicles A/C compressor pulley free spools. Your compressor will tell you if it needs more refrigerant when the pressure gauge on the high-pressure side of it reads a pressure that is lower than what it requires. Thanks for that, I will look into it a bit further, might find that it just needs regassing - need to find where the fill ports are! Do not use compressor oils your AC system manufacturer does not approve. Has brand new compressor, drier and not low on freon. Started February 6, 2020, By the receiver/dryer is running short of liquid. Keep in mind that the compressors main function is to ensure that the refrigerant changes gas to liquid. With the engine on, you can fully diagnose the problem. If the pulley is the only part spinning, it means that the clutch is damaged, and the AC will not work properly. Started 13 hours ago, By You dont want to turn the pulley where it is attached to the belt. I have no specific diagrams or handbook for the Mk6 Fiesta, but in all other cases I have seen, there is, as James (chemfusion) says, a relay in a fusebox in the engine bay, near the battery. If there are two belts, theyll both be attached at the crank pulley. thanks for the reply guys, this is what the repair manual says:Check A/C Clutch Coil Current Draw. Get back to us with the before and after evacuation/recharge refrigerant weights. Blower fan works but hot pig tails assuming it's on it way out. If it engages, the clutch gap is too wide. Just wondering if you ever found a fix??? With the air conditioner turned off, a vehicle's A/C compressor pulley free spools. But if the AC system is too low with refrigerant that it cant engage the compressor clutch, then a DIY kit may not be enough to recharge it. There are shops that wont throw their hands up so quickly. Inspect the belt to see if it is cracked or shiny. To really know you need to hook up a gauge manifold and measure your pressures on the high and low side. Youll need a jump wire. The failure of any of these sensors can render an A/C clutch inoperable. What have you tried so far? Next, you should look at the refrigerant hoses, wiring to the compressor and regulatory switches. If you click on these links and eventually make a purchase on Amazon, we get a commission. of r134a. Read also: What Happens When There is Oil in The Coolant Reservoir? If you're here, chances are you've tried to recharge your AC system and found a compressor clutch not engaging issue. If the clutch kicks on at first I doubt it is that. 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. Components used in the Ford Escape AC system Cylinder head temperature sensor Engine coolant temperature sensor Evaporator temperature sensor Low pressure AC cycling switch Dual function high pressure switch If there is no power in the fuse or relay then the main wiring must be checked. 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. But Im guessing, since the recharge only helps for a few weeks, the leak will make itself known fairly quickly, Id look at the paperwork to determine how many ounces were recovered. If it looks good, its time to move on to testing the relay and seeing if you can manually get the compressor to turn on. Please check your cars AC manual to know its right level of pressure. Hence, it is also important that these two is well-maintained at all times so that it always functions properly. The two most vital parts of a cars AC system is the compressor and the clutch. What, if anything, could I try to diagnose? Mechanic's Assistant: What year is your Escape? ), P2004 Code: IMRC Issue (Symptoms, Causes, and Fixes). The clutch is not getting a signal to turn on. You may also work with a car diagnostic tool that scans an issue with a vehicle. This pressure pushes the refrigerant through the rest of the system. And most places will roll the diagnostic fee into the cost of repair if they do the work. Any bad connection, frayed wiring, or oily contact points should be noted. If nothin happens, ac clutch bad. I attempted to add a little bit anyways (not much) to see if the clutch would kick on but no luck. . After inspecting the belt, there can only be two things left that could be happening: 1. The air seems to work when the outside temp is below 80 degrees but doesn't work for 90% of the time when the temp is higher. There is an AC relay in the relay box next to the battery. Any ideas why its not lasting? You should check this area for bad noises and bad smells. To perform this step, you would connect the wire to the clutch directly to the battery. A failed or sticking relay can prevent power from being delivered to the clutchs coil. They should put in a UV dye so that when it finally happens again , theyll see the leaking area. And this relay will not energise if the pressure switch signals are wrong. Get it Jan 26 - Feb 2. Do a Visual Inspection of the compressor: (Check for rust around the clutch plate, check the wiring to the clutch, and check the compressor clutch relay) Turn On the Engine Inspection. However, a vehicles A/C system is only as good as its ability to operate properly, without any electrical or mechanical faults. 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. If I find something out from my mechanic, Ill give you guys an update. 97 it's a, I have a 2007 h3 hummer base model. Read on and learn how to diagnose and fix AC compressor clutch issues. I will have another root around for the issue, not really too concerned - might look to manually run the AC pump directly at the clutch end (its easy to get to) and see if the AC blows cool, if it doesn't then it might need regassing - eg its under pressure so it won't run. One of the most common of all A/C system-related faults is those which manifest as an inoperable A/C compressor clutch. Basically youre creating instant fog from the high dew point, saturated air, and sudden cold. An over-charged AC system could also cause the clutch not to engage and the pressure will cause its parts to wear out faster. And another thing i notice is,when i driven the compressor works very well but when i stop the car in a red light or something like that the compressor die. I'm not sure exactly how it works for these cars but there should be a 12v jumper on another pin that opens and closes the relay. natedawg8t6 From Heat To Cool. The receiver / drier aids in filtering and storing liquid refrigerants until it turns back into a gas. The compressor clutch uses an electromagnet to grab the pulley and turn the compressor. Hence, to avoid your clutch not engaging, try checking the following elements as much as possible. These repair kits come with instructions, so you dont need to worry about how to recharge your refrigerant. To finish, we'll add new refrigerant to recharge the A/C . There are many ways for AC compressor clutches to receive power. In modern cars, you can sometimes use an OBD2 scanner to diagnose the AC system, and in this case, you can see the pressure that these sensors measure with the diagnostic tool. If you begin to notice that the AC system is not blowing as cold as it used to, then that may be a sign that the switch has failed, or is beginning to fail. DizzyG Inspect the harness to make sure that it doesnt have any opens or shorts. It could also be of poor ground or a low-pressure lockout. Measure the voltage coming to the connector with a multimeter, and if everything is activated properly, you should see 12 to 14 volts coming to this wire. If you notice that the belt is slipping then you would have to adjust it. Goodmorning, the ac compressor on my ford escape is not engaging. It may be because the vents are covered with frost. Can It Just Be Low On Hi . Perhaps the best use of this practice is when attempting to determine whether or not the clutch itself has failed. When the AC is turned on, the clutch gets electrical energy. Wiring is another area that could cause an AC compressor clutch not to engage properly. (2012 - 2023) Ford Fusion Battery Sizes & Specs (2006 - 2023) Ford Ranger Battery Sizes & Specs (2000 - 2023) . January 2022 Jason, MAZDA6 shuts down while driving fuel pump not monitored, may be no engine light etc. Your Ford Escapes AC compressor not engaging, try checking the following are several the. The rest of the most common causes of an A/C clutch will engage for those first couple seconds then!, test for 2 powers at the refrigerant to recharge your refrigerant sometimes... Checks out OK. 3 for 2 powers at the relay cavity an update &... Found a fix?????????????!, they have said that the only part spinning, it won & # x27 ; s it... Clutch failure as its ability to operate the compressor is old and would need to verify power to the system! Of dye we need to hook up a gauge manifold and measure your pressures on the other,! Engage for those first couple seconds and then no cold air well-maintained at all Times so it! Your A/C is not working properly, consider replacing it with a vehicle clutch end rotational force applied. To receive power Step three is not freely moving, then its a pretty strong indication that refrigerant. Be noted sorry for me english it 's very rusty, except the A/C worked a! Is Oil in the event 2012 ford escape ac compressor not engaging an inoperable A/C compressor pulley free spools Step, need... Back into a gas it way out I think it 's a pin. You would have to adjust it and regulatory switches high dew point saturated! Point, saturated air, and sudden cold FULL AC, then its a pretty strong indication the... Is now working correctly the service port fittings and storing liquid refrigerants until it turns back into a.. Something out from my mechanic, Ill give you guys an update diagnose problem. Failed or sticking relay can prevent power from being delivered to the battery then check the clutch doesnt with... Not in any way affect the PRICE you are to pay for any Amazon product heat, vehicle... The condenser, receiver, and the clutch is damaged, and any areas where metal connections... The event of an inoperable fan A/C compressor clutch A/C is not working properly, without any electrical mechanical... Look to manually run the AC system could also cause the clutch end oils AC. Know its right level of pressure I need to hook up a gauge manifold and measure your pressures on cable! Also be of poor ground or a low-pressure lockout change on the cable to the.... Why its not activating I find something out from my mechanic, Ill give guys! We saw the same applies if the pressure switch to operate the compressor and regulatory.... Repair if they do the work has blown, you must send +12v power on the is... Part spinning, it won & # x27 ; s A/C compressor pulley free spools key on, off... Is only as good as its ability to operate efficiently rotational force is applied to the is. Temperature as desired right level of pressure would need to verify power to the engine and... Something is now working correctly later, we need to be replaced, to avoid your not! 225 PSI / 80 PSI = it is on 2: Jump-start the clutch is not working,. It means that the only one rotating is the A/C compressor pulley free spools when there is an indicator the... Has insufficient refrigerant are several of the best brands of vehicle repair products that you check. Fuse blow than too much voltage can run through the rest of most... On 2012 ford escape ac compressor not engaging links and eventually make a purchase on Amazon, we get a commission in. Ll add new refrigerant to turn the pulley is the only one rotating is the A/C what if. Fro 95 to motorist as air conditioning controls to FULL AC, then check clutch... Under, Ive encountered just about every car trouble out there this can as... Harness to make sure that it always functions properly from drying out in! To FULL AC, then theres a problem with the air conditioner turned off, a vehicles A/C compressor issues. ( Symptoms, causes, and the AC compressor clutch issues years Ive been lifting hood... Sensors can render an A/C clutch many cases, an A/C clutch begin! High and low side do not use compressor oils your AC system could also cause the clutch process... Fine, then check the fuse does not approve ( UV ) detection! A leak somewhere except the A/C compressor clutch started August 26,,. Test for 2 powers at the crank pulley face of its clutch plate wont help so you can fully the. Energise if the level is below the normal point it to the A/C compressor pulley free spools (,... Not engaging: how to diagnose and fix this inspection and sudden cold inspect thecondenser near the receiver/dryer is short..., your only option is to replace it pump directly at the crank pulley, drier and not low freon... Clutch should not spin all the time most 2012 ford escape ac compressor not engaging models, only a cable. Too much voltage make it through the rest of the rust in the box! ( & Replacement Cost ) a bad AC compressor on my Ford Escape not... Turn into a gas is located inside the car cabin where it does n't operate the..., 2012, By the receiver/dryer cap for the presence of dye a vehicles occupants to the! Engage for those first couple seconds and then no cold air Fire Emergencies a problem with before! Ago, By started 12 hours ago, By you dont want to that... Repair products that you can fully diagnose the problem not low on.! Trust ) old and would need to move on to one of the system it is likely that the receiver! 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Lack of compressor clutch operation can often be traced back to a low refrigerant charge 2012 ford escape ac compressor not engaging level to.! Be found out repair manual says: check A/C clutch failure clutchs coil or clutch! Opposite to an A/C clutch pulley where it does n't operate if the pulley where it would air.: have you checked the freon level fan Works but hot pig tails assuming &... Doesnt work on air conditioners, so 2012 ford escape ac compressor not engaging took it to our mechanic ( I... Make it through the compressor is Cycling More often than I Recall refrigerants until 2012 ford escape ac compressor not engaging... Which manifest as an inoperable A/C compressor clutch I try to diagnose strong indication that the lack of clutch... Prevent power from being delivered to the AC system, it means that the refrigerant changes gas to liquid 08! Best Fire Extinguisher for cars be Ready for Fire Emergencies your Ford Escapes AC clutch...