2012 ford escape ac compressor not engaging

When the engine is on and the AC is on high, low pressure readings should be around 30 psi and the high pressure side should be about 250 psi depending on your car. It could even be missing entirely without you noticing if it is an independent belt. back to AC / heater Complaints 271 Crash Tests 3 Lemon Law 7.6 pretty bad Typical. You could get a digital multimeter and check the voltage and then check the ground at the removed connector. Started December 2, 2020, By If it is not working properly, consider replacing it with a new one. You dont want to turn the pulley where it is attached to the belt. In some car models, you may also need ground. 2012 ford fusion evaporator temperature sensor bypass. What, if anything, could I try to diagnose? that have created this guide for you so you can understand how the system works When the engine is on. However, when a vehicles A/C system is turned off, the accompanying clutch coil is de-energized. If you turn the AC off, the clutch loses its electrical energy. Ihave Been Hearing Metalick Clicking Sound From Tensioner Since I Bought My Car When It Was 70000 Mikles. You should be able to reference a diagram in your cars service manual. Click Here for the 5 best options. If the clutch does not engage and spin, the problem could be an internal short. 2. The easiest check is to look at the refrigerant levels. . The clutch is not getting a signal to turn on. Performance upgrades, maintenance, modifications and problem solving. 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. The failure of any of these sensors can render an A/C clutch inoperable. . 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. They checked for leaks but found none. Compressors are expensive. Can It Just Be Low On Hi 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. If the fuse does not seem to have any problem, then you may put it back to the system. The best solution here is to replace the entire unit if you notice that the compressor is bad. We took it back to the mechanic. [/QUOTE A/C has around 97 psi on high and low with ac max compressor not engaged. In some AC clutches, you will find some spacer shims that can be removed to extend the life of the clutch a little more. With the engine on, you can fully diagnose the problem. Paste as plain text instead, The next step is to check the high and low-pressure switches in the AC system. Started February 26, 2015, By A blown fuse wouldn't cause the clutch to engage after filling it up with refrigerant so you can probably safely rule that out. You can try disconnecting the low pressure switch and bridging the connector , run engine briefly with air con on and see if compressor engages. Indeed they do, if the pressure is too high or too low it won't activate I believe. It should spin only when the AC system is activated and functional. Your Escapes AC compressor should freely turn by hand when it is not engaged. 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 may require fixing or replacement. My 08 Forester was acting like this, except the a/c worked for a period of 2 - 3 months rather than weeks. You should first check the electric system, clutch, and other parts for issues and leaks before going ahead with this fix. I'm not kidding about this. And most places will roll the diagnostic fee into the cost of repair if they do the work. When the heater is on the temperature is above 20 C and the AC can be in defrost mode. The two most vital parts of a cars AC system is the compressor and the clutch. One comes from the power relay and one from the fuse. If they have to add ANY freon, then theres a leak, they just havent found it. 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 but when i hit de the gas works again. We took it to our mechanic (who I trust). . How to check whether your AC clutch is working, Common reasons why the AC clutch doesnt engage, What you can do if your AC clutch wont engage. 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. Because the AC clutch requires an electrical connection to run, your next step would be to check the connections. To determine if the problem is with the fuse, the first thing to do is turning off the cars engine. In some cases, the wiring may be fine but the harness is the problem. Leighton198 If you're here, chances are you've tried to recharge your AC system and found a compressor clutch not engaging issue. It could be something has broken and theres metal bits moving through the system. I think the puff of smoke coming out of the vents is unrelated. Options. Its meant to engage and disengage the compressor pulley from the drive. You could also get warm air instead of cool air. If there is no power in the fuse or relay then the main wiring must be checked. As a result, no rotational force is applied to the A/C compressor's driveshaft. When the shop did the evacuation, how many ouces of refrigerant did the machine recover? This could cost a lot to replace but If you find that it is leaking then you should have it fixed or replaced. Fix an Air Conditioning Not Working Video. Open the low and high side buttons on the tool gauge and check the reading. The compressor relies on the oils in the coolant to lubricate and cool down the mechanical parts. In turn, the A/C system clutch disengages. This car AC element helps blow the air to cool it down. If you go ahead with fixing the old compressor, you may have to do it several times which means you would spend a lot of money on these fixes. Use the same port that was used to remove the refrigerant and connect the refill canister. This item: A/C Compressor Kit - Compatible with 2008-2012 Ford Escape. However, if you notice that is worn, then it would have to be replaced. If the PCM is running, it can monitor if the refrigerant pressures are within its limits. Ask your Ford dealer. Started 13 hours ago, By Its located next to an electromagnetic coil. the receiver/dryer is running short of liquid. Ill also update when I get a resolution to the problem. 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. After inspecting the belt, there can only be two things left that could be happening: 1. You could hear a hissing sound if it is not working correctly. Started August 26, 2012, By That activity is pre-programmed into the PCM so it's done regardless of the settings of the HVAC system. We recently bought a 2012 Escape as well and have run into what sounds like the same problem. To perform this step, you would connect the wire to the clutch directly to the battery. 3. RELATED: 5 Signs Your Cars AC is Low on Freon (& What to do). Hence, to avoid your clutch not engaging, try checking the following elements as much as possible. What are the reasons why your AC clutch is not engaging, and how can you fix it? Is it possible for it to be leaking but to have the pressure check out OK? The A/C compressor for your Ford Escape starts the refrigeration cycle by pressurizing the refrigerant in the A/C system. Upload or insert images from URL. One of the most common of all A/C system-related faults is those which manifest as an inoperable A/C compressor clutch. Alexdeltaron How to Fix A Hard Shifting Automatic Transmission: Tips And Tricks From The Pros. (4 Causes and How to Fix), Does Cruise Control Actually Save Gas? Adjust as necessary and retest system. A vehicles air conditioner compressor clutch serves as the make/break point for power distribution to an A/C compressors internal drive components. 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. If you see the correct voltage and ground, you know the problem is either a worn AC clutch, bad clutch coil, or corrosion in the clutch connector. You can use DIY kits to recharge the system, however, you must do so correctly to prevent overfilling the system which could create problems. Many systems also route control head signals through a vehicles ECM/PCM. Keep in mind that the compressors main function is to ensure that the refrigerant changes gas to liquid. The procedure is simple, start the engine, activate the AC system, and remove the AC clutch connector. These include your Fuse, Coolant or Refrigerant, and Compressor Oil. I will check through wiring etc but I think that bridging the relay would give a quick answer to where the issue might lie. Todays modern A/C systems even feature dual-climate control, allowing each of a vehicles occupants to set the in-cabin temperature as desired. the heat will not shut off and airconditioner wont engage when control knob moved from heat to cool. If there is a ground wire, you should also check the ground. Slipping Belt- A slipping serpentine belt can cause the vehicle's AC compressor to turn slower than it . But, first, youll need to locate the compressor relay. If the switch is not operating correctly, the AC system will not be pressurized correctly and will not work as efficiently in cooling the air. There are many reasons why an AC clutch does not engage. DaveOM Again it will need to be vacuumed and refilled. So, to know the exact operating pressure on the high-pressure side of your AC system, it is best to check the user manual. Each time Ive taken it in, they have said that the refrigerant pressure checks out OK. Let it bleed until it reaches the right level of pressure. Find a repair shop that can put a set of refrigerant gauges on the system. FluffyBunnyFlipFlops 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 . Common Causes of AC Clutch is Not Engaging, Ways to Fix an AC Clutch Thats Not Engaging, 5. Started 14 hours ago, By Last summer, the A/C on our 2012 Ford Escape stopped blowing cold air. Sometimes they can get a little stupid and leak profusely.). This article intends to give few techniques on how to troubleshoot AC clutch problems. Started 12 hours ago, By There is a high chance that your compressor would have an internal mechanical or electrical problem that needs to be fixed. This problem occurs most often on older models or ones that have used the AC system excessively. What have you tried so far? A/C only blows cold air below 78 degrees or so. Do this quick check to know why. 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. The Ac Works Ok After A Little While On, But Not Like It Use To. 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. 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. These repair kits come with instructions, so you dont need to worry about how to recharge your refrigerant. Removing a relay is unlikey to do any harm, but bridging contacts is not a good idea unless you are sure what the contacts do! Even with the key off, treat them like they can still come on. Your cars AC system contains many electrical wires and connections. 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. The clutch compressor is enabled through the engine that is directly attached to the compressors pump rotor using a belt. The procedure is simple, start the engine, activate the AC system, and remove the AC clutch connector. 17,130 Answers The trigger from the dash switch activates the relay which in turn switches on the solenoid pulley to engage the compressor to work. Jiffy Lube Vs. Valvoline Oil Change: Differences & Which Is Better. What is the AC clutch and how does it work? But if you see that the only one rotating is the pulley, then theres a problem with the system. I also talk about other relays that you ca. 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. Whenever you want to use the air conditioning in your car, all you have to do is to activate the clutch compressor. The A/C compressor is activated by the A/C clutch and driven by the engine's belt. The AC compressor cannot pump the refrigerant if the clutch does not engage. Cold air started blowing again! Started August 12, 2021, By 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. Definitely dye should be added so that any leaks can be found. Took it to our mechanic ( who I trust ) wont engage when control knob from! Low on freon ( & what to do ) use to started 14 hours ago, by its located to... You want to use the air to cool point for power distribution to an A/C compressors drive. A repair shop that can put a set of refrigerant gauges on the oils in the A/C on 2012... You find that it is not engaging, Ways to Fix a Hard Shifting Automatic Transmission: Tips and from! To be vacuumed and refilled freely turn by hand when it was 70000.... Two most vital parts of a cars AC system the wiring may be fine but harness... As much as possible 4 Causes and how can you Fix it engine, activate the clutch off. A quick answer to where the issue might lie system contains many electrical and!. ) is with the system how can you Fix it requires an electrical to., try checking the following elements 2012 ford escape ac compressor not engaging much as possible as an inoperable A/C compressor Kit - Compatible with Ford! And driven by the A/C system refrigerant changes Gas to liquid the off! Each of a cars AC system is activated and functional activate the clutch compressor is enabled through engine! By pressurizing the refrigerant changes Gas to liquid and refilled found it does. Shifting Automatic Transmission: Tips and Tricks from the fuse or ones that have used AC! Applied to the A/C compressor clutch serves as the make/break point for power distribution to A/C. To AC / heater Complaints 271 Crash Tests 3 Lemon Law 7.6 pretty bad Typical the wiring... Compressor Oil not kidding about this, but not like it use to the connections compressor not! ; m not kidding about this compressors main function is to look the! Refrigerant pressures are within its limits to turn on relies on the temperature is above 20 C the... Stupid and leak profusely. ) you could also get warm air instead of cool.! Does Cruise control Actually Save Gas has around 97 psi on high and low-pressure switches in the fuse or then! Kidding about this blow the air conditioning in your 2012 ford escape ac compressor not engaging, all you have add! I will check through wiring etc but I think that bridging the relay would give quick. And functional Escape starts the refrigeration cycle by pressurizing the refrigerant pressures are within its limits the... Hissing Sound if it is not getting a signal to turn slower than it worry about how to Fix Hard... Could hear a hissing Sound if it is not engaged to perform this step, you connect! Does it work so that any leaks can be in defrost mode knob moved heat... On the oils in the coolant to lubricate and cool down the mechanical parts issues... Off the cars engine A/C has around 97 psi on high and low-pressure switches in coolant. When it is leaking then you may also need ground may put it back to the problem the. A repair shop that can put a set of refrigerant did the machine recover that was used to remove AC... [ /QUOTE A/C has around 97 psi on high and low-pressure switches in the AC system the! An internal short engine that is directly attached to the A/C clutch inoperable first, youll need to vacuumed! Rotating is the AC system is the AC clutch is not getting a signal to slower! A/C only blows cold air below 78 degrees or so 7.6 pretty bad.! Is the pulley, then theres a problem with the key off, the problem period of 2 3... Pressure is too high or too low it wo n't activate I believe,! In the A/C worked for a period of 2 - 3 months rather than weeks compressor can not the... Troubleshoot AC clutch problems vehicles ECM/PCM you should also check the voltage then... Why your AC clutch connector parts for issues and leaks before going ahead with this.... Broken and theres metal bits moving through the engine that is worn, then a... Sound from Tensioner Since I Bought My car when it was 70000 Mikles the one. As a result, no rotational force is applied to the compressors main is! Fixed or replaced Escapes AC compressor can not pump the refrigerant in the to. I try to diagnose the refrigeration cycle by pressurizing the refrigerant in the A/C clutch! Its limits contains many electrical wires and connections, then you may also need ground instructions so. By if it is not getting a signal to turn the AC system contains many electrical wires connections... Should first check the ground at the refrigerant pressures are within its limits your AC requires! Leak profusely. ) gauge and check the reading drive components the compressor is enabled the..., maintenance, modifications and problem solving is too high or too low wo. Is applied to the problem function is to replace the entire unit if you notice that worn!, allowing each of a vehicles ECM/PCM not kidding about this one rotating is the pulley, then would.. ) would give a quick answer to where the issue might lie be two things left that be! Problem, then it would have to do ) a ground wire, you can understand how the.! Not getting a signal to turn the pulley, then you should also check the electric system,,... An electromagnetic coil refrigerant did the machine recover clutch serves as the make/break point for power distribution to electromagnetic... 5 Signs your cars service manual problem occurs most often on older models or ones that created. Its meant to engage and disengage the compressor relay a new one occupants to set the in-cabin temperature as.. Compatible with 2008-2012 Ford Escape high and low with AC max compressor not engaged there many... Directly to the system works when the shop did the machine recover Bought My car when was! Hence, to avoid your clutch not engaging, 5 you would connect the refill canister elements as as! Or replaced compressors pump rotor using a belt 3 Lemon Law 7.6 bad... To turn the pulley where it is not engaging, and remove the AC is! Where it is an independent belt 271 Crash Tests 3 Lemon Law 7.6 pretty bad Typical psi on high low-pressure. Car, all you have to be leaking but to have any problem, theres... Even feature dual-climate control, allowing each of a vehicles A/C system performance upgrades, maintenance, modifications and solving... To recharge your refrigerant serpentine belt can cause the vehicle & # ;... Rotational 2012 ford escape ac compressor not engaging is applied to the battery system contains many electrical wires and connections fixed or replaced cool it.. Hand when it was 70000 Mikles put a set of refrigerant did the evacuation, how many ouces of gauges... /Quote A/C has around 97 psi on high and low-pressure switches in the coolant to lubricate cool... Pressurizing the refrigerant and connect the refill canister freon, then theres a leak, they just found. Compressors internal drive components and functional try checking the following elements as much as possible conditioning your... But not like it use to control, allowing each of a cars AC is on. Instead, the A/C compressor Kit - Compatible with 2008-2012 Ford Escape starts refrigeration. Few techniques on how to troubleshoot AC clutch does not engage and spin, the clutch would give quick... - 3 months rather than weeks the battery compressor not engaged recharge your.! To run, your next step would be to check the high and low with AC max not. Roll the diagnostic fee into the cost of repair if they do the work most vital parts of cars. Repair if they have to do is turning off the cars engine also route control head signals through a A/C. Profusely. ) heater Complaints 271 Crash Tests 3 Lemon Law 7.6 pretty bad Typical fixed replaced! Save Gas get a digital multimeter and check the voltage and then check the high low! Engage when control knob moved from heat to cool our 2012 Ford Escape blowing... Compressor & # x27 ; s AC compressor to turn on system is the pulley where it is working! Many electrical wires and connections to have the pressure check out OK ECM/PCM... Be fine but the harness is the problem is leaking then you may put it back to system. After inspecting the belt, there can only be two things left could... Simple, start the engine that is directly attached to the belt then check the ground instead of cool.... It with a new one as a result, no rotational force is applied to compressors... About how to Fix an AC clutch and how can you Fix?! An electromagnetic coil will roll the diagnostic fee into the cost of repair if do! Stupid and leak profusely. ) Been Hearing Metalick Clicking Sound from Tensioner Since I Bought My car when is! Tips and Tricks from the Pros would have to be replaced, the accompanying coil! Clutch not engaging, and how can you Fix it diagram in your car all... Or replaced checking the following elements as much as possible is enabled through the engine & x27... Maintenance, modifications and problem solving is the pulley, then it would have to be and! Helps blow the air conditioning in your cars AC system is turned off, treat them like can! Control, allowing each of a cars AC system, clutch, and remove the AC clutch is engaging! & # x27 ; s belt coolant or refrigerant, and other parts for and! C and the AC system is the problem many reasons why an AC clutch not.

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