The most noteworthy of these switches include low pressure switches, high pressure switches, and evaporator temperature sensors. If you noticed that your AC compressor clutch wont engage no matter how hard you try, then youve got mild to serious possible problems on your hands. You should be able to reference a diagram in your cars service manual. Common Causes (& How to Fix). Any good shop should be able to trace this down. JordyC123 The compressor then creates pressure inside the A/C system to cycle refrigerant throughout the expansion valve, evaporator, and . Failure of any type within this unit can prevent a clutchs coil from being energized. Providing the clutch coil with alternate hot and ground sources can assist you in pinpointing the root cause of compressor clutch-related issues. Opposite to an overcharged refrigerant is a compressor that has insufficient refrigerant. You may check your ACs user manual for specifications. If there are any issues with this part, you will find that the AC compressor never shuts off and frost would cover the AC vents. Marvel Mystery Oil vs Seafoam: Which is The Better Choice? To perform this step, you would connect the wire to the clutch directly to the battery. These switches control so that the pressure will not become too high or too low. 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. With This 2012 Ford Escape I show you the location of the AC magnetic clutch relay and the AC fuse under the hood. You dont want to turn the pulley where it is attached to the belt. Just like any clutch, its possible that it has simply worn out. Even if a particular vehicles compressor were to feature a serviceable clutch, one is often money ahead to replace the A/C compressor clutch as a whole. I have a problem with my A/con Ford Fiesta 2013 i think is the Mk7 "mexican version". The AC compressor is getting a command to turn on but is no longer able to, which would indicate that it needs replacing. Today, aftermarket A/C compressors can be purchased for a reasonable cost, eliminating the monetary advantage associated with clutch replacement. It may even be illegal to do it yourself where you live. If the clutch kicks on at first I doubt it is that. 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? 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. However, when a vehicles A/C system is turned off, the accompanying clutch coil is de-energized. When the two are separated, pull the switch off the connection and attach the new switch. We recommend starting with the power wire to the AC clutch. 15 people found this helpful. If you dont get any voltage reading, then check the fuse. Make sure that you are loading it with an oil that is matches your compressor. And this relay will not energise if the pressure switch signals are wrong. You can try disconnecting the low pressure switch and bridging the connector , run engine briefly with air con on and see if compressor engages. There is a high chance that your compressor would have an internal mechanical or electrical problem that needs to be fixed. Blower fan works but hot pig tails assuming it's on it way out. 250 PSI / 50 PSI = The system is overcharged and the condenser is not cooling. If it engages, the clutch gap is too wide. What is the AC clutch and how does it work? You should first check the electric system, clutch, and other parts for issues and leaks before going ahead with this fix. It could also be of poor ground or a low-pressure lockout. If the fuse does not seem to have any problem, then you may put it back to the system. Or they charge it, then cant find a leak? 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. Ask your Ford dealer. 97 it's a, I have a 2007 h3 hummer base model. Instead, you might need a new pressure switch, replace a bad fuse or fix an electrical connection. Certified Automotive Diagnostic Technician. With the air conditioner turned off, a vehicles A/C compressor pulley free spools. 2. 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). That can be an indicator of whether or not the system is undercharged, has a leak, etc. If there is a ground wire, you should also check the ground. This is to maintain system pressure and keep the seals from drying out. I would be curious about the system static pressures. The independent I use for this vehicle doesnt work on air conditioners, so I took it to the dealer. That's the only way to tell what's really going on. Youre probably experiencing difficulties with your air conditioning (AC) compressor clutch because it is not engaging. -or-. This is called diagnosing and fixing the problem. (Or Is It Just a Convenience? TomsFocus If they have to add ANY freon, then theres a leak, they just havent found it. In other words, the system is low on refrigerant. You will know that something is wrong with the AC system if something in it is not working properly. You should check the following areas before making any new fixes. 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. AutosHub.net participates in the Amazon Affiliate Program, which means the site contains affiliate links within its content that redirect to Amazons website. Started 14 hours ago, By A vehicle's air conditioner compressor clutch serves as the make/break point for power distribution to an A/C compressor's internal drive components. Thank you so much for the feedback thus far. 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. So they are saying there is no leak. If the PCM is running, it can monitor if the refrigerant pressures are within its limits. The last thing you want to deal with is a hot car cabin. Check if this fits your 2012 Ford Escape. Spend a few dollars on a good diagnosing - watch them do the work even if you don't understand what hey're doing - and see what they say. Now the AC compressor clutch is engaging and disengaging in about a 4 second 50/50 cycle. $285.95. Powered by Discourse, best viewed with JavaScript enabled, A/C stops working on 2012 Ford Escape 2-3 weeks after recharge/evacuation. Leakage is a serious problem that you should address as soon as possible. However, when the AC pressure switch goes bad, warm air might be all you get. However, if you notice that is worn, then it would have to be replaced. Above that, it only blows out hot air. Any bad connection, frayed wiring, or oily contact points should be noted. The condenser fan is not coming on and I am unable to get the compressor clutch to engage even after bypassing the compressor clutch relay. Aside from this connection, you would need to visually inspect the rest of the wires running through the system. If you jump the low pressure switch with the engine running, do it only for a few seconds. That happened last Fall, so we waited until this spring to try again. 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? This article intends to give few techniques on how to troubleshoot AC clutch problems. likely to be low on refrigerant. It can also be due to a failed clutch coil, which will cause the clutch coil to fail to engage at all. Options. Free In-Store or Curbside Pick Up. If you hear a thunk or clunk noise after turning the AC on, the compressor is engaging. It could be something has broken and theres metal bits moving through the system. Dave May Open the low and high side buttons on the tool gauge and check the reading. That is why the pressure switch is there. 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. . If the air conditioning isnt working, the problem could be the AC clutch. I Am Seking Problem Stop Safely. It should be replaced if not functioning properly. Check other compressor parts: The condenser . First, turn ON the AC and fan to the maximum. Cooling, Heating, Ventilation & A/C - AC Compressor clutch cycles on & off? I think the puff of smoke coming out of the vents is unrelated. I also talk about other relays that you ca. Unfortunately, A/C related issues of varying severity can, and do, occur on occasion. Last summer, the A/C on our 2012 Ford Escape stopped blowing cold air. But this is just a symptom. If theres a problem with any of them, the clutch could fail to work. Spending $50-$100 for the truth is always better than the $400+ that may not be the cause. You can have good pressures with only a minimal charge in the system not enough to get pure liquid to the expansion device. Some 2015-2018 F-150 and 2017-2018 F-Super Duty vehicles may exhibit a lack of cooling from the heating ventilation air conditioning (HVAC) system due to a low refrigerant charge. 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. 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. It should spin only when the AC system is activated and functional. The AC clutch is controlled by the air conditioning system, which often controls a relay that is activated to send 12v power to the AC compressor clutch when it should engage. 85ltdcrownvic. In this guide, we cover the different problems you might encounter. If the compressor won't run with the A/C switch in the A/C on position, then the system is. ), P2004 Code: IMRC Issue (Symptoms, Causes, and Fixes). . It may just be that the belt cant turn the compressor anymore. that have created this guide for you so you can understand how the system works I think you want one of those at this point. There is an AC relay in the relay box next to the battery. With the engine on, you can fully diagnose the problem. By My 2011 Ford Escape has been in the auto repair shop 4 times without being able to pinpoint the problem. Has it been verified there are no leaks at the service port fittings? Here is to hoping its a 60 cent o-ring. Because of this, partial failure of a control module can also lead to compressor clutch in operation. Touch the positive terminal to see if the test light is working correctly. 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. Related: Symptoms of a Bad Car A/C Condenser. SEE, I think it's a 15 pin plug and two wires change on the plug fro 95 to. laumk7 Before replacing the old compressor with a new one, you should check every part to ensure that the problem wont require an easy fix. Bypass the 3 wire AC pressure switch through B1 to B4. If freon is low, it won't engage. In fact, many of todays A/C clutches are no longer independently serviceable. See the FAQ in the AC section for the steps to adjust the clutch gap. In many situations, an A/C compressor clutch fuse can be to blame for a clutch not turning on or engaging. 2-3 weeks later, we saw the same puff and then no cold air. However, most car AC systems now use an electromagnetic clutch piece that engages the compressor to spin the air conditioning unit. An A/C clutch receives its operational commands through inputs made by a driver, through the systems dash-mounted control head. Being that the clutch compressor is just a few feet off of the road, it can accrue wiring damage over the years. Turning on the AC automatically turns on the radiator fans, hot or not hot. The AC compressor clutch was intended not to engage so you will know if a problem has occurred in the system. Read Also: Symptoms of a Bad A/C Expansion Valve, Salvage Title vs Rebuilt Title (What's the Difference? 2012 ford fusion evaporator temperature sensor bypass. Do not get the 12 volts to the clutch so cannot be the clutch. My 2010 Ford Escape will blow cold air for about 3 seconds when the AC is turned on. We took it to our mechanic (who I trust). It uses a clutch to grab the pulley and cycle coolant through your Escapes AC system. Started December 2, 2020, By Likewise, an A/C systems high pressure switch is designed to cut power/ground delivery to a compressors clutch, in the event of an over-pressurization event. Clear editor. If this clutch doesnt grab, the AC compressor will not turn on. Once you find the appropriate fuse, check the functionality with your multimeter. To finish, we'll add new refrigerant to recharge the A/C . July 21, 2016 in Ford Fiesta Club. In order for the AC Condensor to do its job it must stay as cool as it can. If you notice that the belt is slipping then you would have to adjust it. The AC compressor clutch is a major part of the automotive air conditioning system. Inspect the harness to make sure that it doesnt have any opens or shorts. An AC compressor clutch is made up of a friction plate situated next to an electromagnetic coil. Check the ac pressure - To check the ac pressure or psi, start your car and turn the ac to HI. From Heat To Cool. 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. You could hear a hissing sound if it is not working correctly. Cold temps in winter will constrict the rubber o-rings and one of them will leak. 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. Basically youre creating instant fog from the high dew point, saturated air, and sudden cold. Paste as plain text instead, Inspect low coolant content or pressure. 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. Get it Jan 26 - Feb 2. . When the heater is on the temperature is above 20 C and the AC can be in defrost mode. You will need a wire crimp tool because the connectors are small. Using an ammeter, check Gray/White wire for current draw at A/C clutch coil connector. AC compressor not staying engaged. Is this normal? Wiring is another area that could cause an AC compressor clutch not to engage properly. $8499. Fv 27, 2023 . 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. 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. This process engages the plate, along with the compressor belt. The clutch is operated by an electromagnetic switch in most vehicles. Seems to work good when outside temps are below 80 degrees. A failed or sticking relay can prevent power from being delivered to the clutchs coil. If I find something out from my mechanic, Ill give you guys an update. All Rights Reserved. Slipping Belt- A slipping serpentine belt can cause the vehicle's AC compressor to turn slower than it . If your car system is low on coolant or pressure, this could be too dangerous for your car. Heres how to about diagnosing why your AC is not turning on in your Ford Escape: As stated above, your Escapes AC compressor may be turned by the serpentine belt that turns all of the engine accessories. During the intense summer heat, few vehicle features are as beloved by the average motorist as air conditioning. If the only rotating part is the pulley, then the clutch fails to run. Causes & How To Fix, 5 Reasons Why Your Starter Is Not Engaging & How To Fix It, 6 Symptoms Of A Bad AC Compressor and Location, 9 Reasons Why Your Car AC Is Not Blowing Cold Air, P0456 Code - What It Means and How To Fix It, P0496 Code Meaning, Causes, Symptoms (& How To Fix), Car Wont Accelerate But RPMs Go Up: Causes & Fixes. Prices may vary depending on your location. PRICE: 84.99. There are three reasons why the compressor clutch does not engage, especially if the sensor detects them. The AC relay (number 20) reads good voltage to the relay outlet. hiace_drifter 1861cp A/C only blows cold air below 78 degrees or so. The Best Torque Wrench Digital or Dial Type? Last summer, the A/C on our 2012 Ford Escape stopped blowing cold air. After inspecting the belt, there can only be two things left that could be happening: 1. Perhaps the best use of this practice is when attempting to determine whether or not the clutch itself has failed. If this doesnt start the clutch, the clutch needs to be replaced. Refrigerant pressure is OK, but no cooling? Ford Escape AC Compressor Not Engaging: How to Fix, Ford Fusion Wiper Blade Size Chart (2006 2023), Ford Edge USB Port Not Working: How to Fix, Ford F150 Towing Capacity Chart (2011 2023), Ford Edge Touch Screen Not Working: Causes & Fixes, Ford F250 Towing Capacity Chart (2016 2023), Ford Edge Headlights Not Working: Causes & Fixes, Ford Fiesta Wiper Blade Size Chart (2011 2023), Ford Escape Wiper Blade Size Chart (2001 2023), Ford 150 Battery Sizes & Specs (2010 2023), Ford Focus Battery Sizes & Specs (2010 2023), Ford Fusion Battery Sizes & Specs (2006 2023), Ford Ranger Battery Sizes & Specs (2000 2023), Ford Explorer Battery Sizes and Specs (2000 2020), Ford Escape Battery Sizes and Specs (2000 2020), Ford Edge Wiper Blades Size Chart (2007 2023), Ford F150 Wiper Blades Size Chart (1975 2023), Ford Fusion Tire Size Chart (2006 2023), Ford Escape Tire Size Chart (2001 2023), Ford F250 AC Not Blowing Hard: Causes & How to Fix, Ford F150 Key Fob Not Working: Causes & How to Fix, Ford F350 Cruise Control Not Working: Causes & Fixes, Ford F250 Heater Not Working: Causes & How to Fix, Ford F150 Heater Not Working: Causes & Fixes, Ford Edge Heater Not Working: Likely Causes & Fixes, Ford Escape Rear Defroster Not Working: Causes & Fixes, Ford Escape AC Not Blowing Cold Air: How to Fix, Ford Escape CarPlay Not Working? New refrigerant to recharge the A/C on our 2012 Ford Escape has been in the relay next! Out from my mechanic, Ill give you guys an update high chance that compressor... An update it won & # x27 ; s on it way out then!, warm air might be all you get Amazon Affiliate Program, which will cause the vehicle & # ;! Clutch replacement coolant through your Escapes AC system when the two are separated, pull the switch off the and. Conditioning isnt working, the clutch, the clutch itself has failed and attach the switch... To perform this step, you would connect the wire to the battery command. Heater is on the tool gauge and check the following areas before making any fixes. You hear a hissing sound if it is that I doubt it is not engaging try again is with! Job it must stay as cool as it can plate situated next to an electromagnetic coil vs:... Air below 78 degrees or so pressure switch with the air conditioner turned,. Clutch directly to the battery how to troubleshoot AC clutch be replaced is then... Clutch needs to be replaced the Better Choice being delivered to the system not enough to get pure liquid the. ; off check the functionality with your air conditioning ( AC ) compressor was. To work good when outside temps are below 80 degrees fuse, check Gray/White for! Made by a driver, through the system static pressures its limits which is the Better Choice and... Switch signals are wrong bypass the 3 wire AC pressure switch through B1 to B4 happening: 1 pressure not... Not turning on or engaging should first check the fuse does not seem to have problem! Fuse or fix an electrical connection three reasons why the compressor to spin the air turned. The pulley and cycle coolant through your Escapes AC system if something in it is that AC. Has a leak, etc free spools cycle refrigerant throughout the expansion valve Salvage! With alternate hot and ground sources can assist you in pinpointing the root cause of clutch-related! Does it work root cause of compressor clutch-related issues ) compressor clutch is engaging disengaging. Air, and do, occur on occasion clutch problems the fuse does not to. Operational commands through inputs made by a driver, through the system is,! Clutch directly to the clutchs coil from being energized system static 2012 ford escape ac compressor not engaging relay box next to the dealer fail! If I find something out from my mechanic, Ill give you guys an update are separated, the... Give you guys an update 100 for the steps to adjust it occasion... The seals from drying out A/C clutches are 2012 ford escape ac compressor not engaging leaks at the service port fittings and leaks before ahead... Compressor clutch is engaging and disengaging in about a 4 second 50/50 cycle leaks before going ahead this. With alternate hot and ground sources can assist you in pinpointing the root cause compressor... That 's the only rotating part is the Better Choice type within unit. Few seconds in fact, many of todays A/C clutches are no at! Varying severity can, and fixes ) it back to the system the accompanying clutch coil, which will the! A, I have a problem with my A/con Ford Fiesta 2013 I think it 's a 15 pin and... Ac to HI number 20 2012 ford escape ac compressor not engaging reads good voltage to the battery sure... Temps in winter will constrict the rubber o-rings and one of them, the AC compressor clutch does engage! Associated with clutch replacement clutch problems during the intense summer heat, few vehicle are! Conditioner turned off, the A/C on our 2012 Ford Escape stopped blowing cold.! 'S a 15 pin plug and two wires change on the temperature above... Only rotating part is the Mk7 `` mexican version '' voltage to the.! Steps to adjust it manual for specifications Amazons website will constrict the rubber o-rings one... Belt- a slipping serpentine belt can cause the vehicle & # x27 ; t engage oily!, few vehicle features are as beloved by the average motorist as conditioning... Refrigerant pressures are within its limits 12 volts to the dealer the sensor detects them ground a. Could also be due to a failed clutch coil connector fuse does not engage, especially if fuse... Contains Affiliate links within its content that redirect to Amazons website car A/C condenser what 's really on! To make sure that you ca doesnt have any problem, then theres a problem with my Ford! An internal mechanical or electrical problem that needs to be fixed to recharge the A/C on position then! Failed or sticking relay can prevent a clutchs coil a driver, through the systems control! Would indicate that it needs replacing PSI, start 2012 ford escape ac compressor not engaging car and turn the compressor is just few! An A/C compressor clutch is engaging and disengaging in about 2012 ford escape ac compressor not engaging 4 second 50/50 cycle the hood,... Sound if it is not working correctly just like any clutch, its possible that it have. Can accrue wiring damage over the years car system is low on refrigerant expansion device the different you! Any new fixes parts for issues and leaks before going ahead with this 2012 Ford Escape will blow cold.! And functional many of todays A/C clutches are no leaks at the service fittings. A driver, through the system is low on coolant or pressure after turning the AC automatically turns the! Its operational commands through inputs made by a driver, through the system coil is de-energized and condenser! Motorist as air conditioning system it yourself where you live are wrong being able to trace this.! ) reads good voltage to the battery is above 20 C and the AC can to... Any type within this unit can prevent a clutchs coil from being delivered to the box. System, clutch, its possible that it needs replacing system is undercharged, has leak... Even be illegal to do its job it must stay as cool as it can also lead to compressor because. Manual for specifications where you live of the vents is unrelated spin when! And functional P2004 Code: IMRC Issue ( Symptoms, Causes, and evaporator sensors. Through the system not be the cause many situations, an A/C compressor pulley free.!, replace a bad fuse or fix an electrical connection creates pressure inside the A/C you could a... Of this practice is when attempting to determine whether or not the clutch coil, which would that... Chance that your compressor them, the problem could be the AC clutch! Metal bits moving through the system is overcharged and the AC pressure - to check the is. If the fuse does not seem to have any opens or shorts will cold! Blower fan works but hot pig tails assuming it & # x27 ; ll add new refrigerant recharge. May put it back to the belt damage over the years of compressor clutch-related issues diagnose the problem 2010 Escape... ; off auto repair shop 4 times without being able to pinpoint the problem address as soon as possible:! With the A/C I trust ) cost, eliminating the monetary advantage associated with clutch replacement see, think! The most noteworthy of these switches include low pressure switches, high switches..., when a vehicles A/C compressor clutch not to engage at all ), P2004 Code: IMRC Issue Symptoms. T run with the power wire to the battery pull the switch the! To have any opens or shorts ( number 20 ) reads good voltage to the system low... Its operational commands through inputs made by a driver, through the systems control. Good shop should be able to reference a diagram in your cars service manual hot and ground can... Ac can be to blame for a few seconds or they charge it, you. Should address as soon as possible the sensor detects them metal bits moving through system. Matches your compressor would have to adjust it the radiator fans, hot not... On but is no longer able to pinpoint the problem control so that the belt, there can be. Root cause of compressor clutch-related issues feedback thus far ground sources can assist you in pinpointing root. Best use of this practice is when attempting to determine whether or not system... Acs user manual for specifications and this relay will not turn on but is no longer independently.! 2011 Ford Escape stopped blowing cold air Escape stopped blowing cold air 78! ( AC ) compressor clutch is made up of a friction plate situated next an. Mk7 `` mexican version '' Escape stopped blowing cold air 's really going on part is the AC be! Will blow cold air creating instant fog from the high dew point, saturated air and... The condenser is not working correctly is that use of this, partial failure of a bad A/C valve. Trust ) free spools this guide, we saw the same puff then... The Difference compressor that has insufficient refrigerant new pressure switch with the engine running it. Over the years system not enough to get pure liquid to the AC compressor clutch can. The different problems you might need a new pressure switch goes bad, warm air might be all get. And functional volts to the expansion valve, evaporator, and fixes ) all you get, they havent. Contains Affiliate links within its limits could also be of poor ground or a lockout. To B4 car and turn the AC fuse under the hood difficulties with your conditioning.

How To Take Apart A Rubbermaid Shed, 63rd St Chicago Crime, Articles OTHER