This is called diagnosing and fixing the problem. If the level drops below the red line, it means that the gas oil is insufficient and needs to be supplemented. Any ideas why its not lasting? If you have an account, sign in now to post with your account. 225 PSI / 80 PSI = It is likely that the . If the clutch does not engage and spin, the problem could be an internal short. When the clutch won't engage, CAREFULLY tap the face of the compressor clutch with a hammer handle or similar tool. You could get a digital multimeter and check the voltage and then check the ground at the removed connector. If the wires arent properly connected, it could cause the compressor not to malfunction. Seems to be working. (2012 - 2023) Ford Fusion Battery Sizes & Specs (2006 - 2023) Ford Ranger Battery Sizes & Specs (2000 - 2023) There are three reasons why the compressor clutch does not engage, especially if the sensor detects them. Here are the four main reasons why your Escape's may not be working: Clutch Cycling Switch- AC systems use an electromagnetic clutch to activate the compressor. rcmckee 3. Tiny bits of metal can clog your AC condenser. If this doesnt start the clutch, the clutch needs to be replaced. Started February 6, 2020, By If you connect the filling hoses to the low pressure side, then open the valves so that gas will flow in, there should be adequate pressure to start the compressor even if the system was completely evacuated prior to the start of the charge. When this takes place, cabin temperatures skyrocket, as discomfort takes hold. If the pressure in the AC system is too high or too low on either the low-pressure side or the high-pressure side, it will shut off the power sent to the AC compressor clutch, and it will not engage. Only 20 left in stock - order soon. the receiver/dryer is running short of liquid. However, if the clutch is engaging but the AC isnt cold, then there could be a leak in the AC system. Start the engine, and then see if the clutch and the pulley are running. Ask your Ford dealer. Find a repair shop that can put a set of refrigerant gauges on the system. AC compressor not staying engaged. What Happens When There is Oil in The Coolant Reservoir? Antonsd Then focus on the compressor clutch. You may check your ACs user manual for specifications. 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. This action will cause the fuse to blow. Is it possible for it to be leaking but to have the pressure check out OK? The two most vital parts of a cars AC system is the compressor and the clutch. You will find an AC pressure switch on the low-pressure side of the AC system and you will find one on the high-pressure side. 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. Solved A/C compressor clutch not engaging . Again it will need to be vacuumed and refilled. Another possible cause could be leaks in the AC system. The procedure is simple, start the engine, activate the AC system, and remove the AC clutch connector. Open the low and high side buttons on the tool gauge and check the reading. Ihave Been Hearing Metalick Clicking Sound From Tensioner Since I Bought My Car When It Was 70000 Mikles. Fill it up until the pressure indicator on the refill . But if you see that the only one rotating is the pulley, then theres a problem with the system. 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. Because of this, partial failure of a control module can also lead to compressor clutch in operation. Its possible one of the pressure sensors is sticking and the evac/recharge nudged it into working again. I will check through wiring etc but I think that bridging the relay would give a quick answer to where the issue might lie. These switches directly influence power/ground delivery to an A/C clutch. The leak could be from the compressor itself or anywhere else across the AC . These include your Fuse, Coolant or Refrigerant, and Compressor Oil. 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. If so, try the troubleshooting techniques described here. And most places will roll the diagnostic fee into the cost of repair if they do the work. The condenser, expansion valve and . You should check for leaks from the condenser, receiver, and any areas where metal piping connections are made. To really know you need to hook up a gauge manifold and measure your pressures on the high and low side. It uses a clutch to grab the pulley and cycle coolant through your Escapes AC system. You could hear a hissing sound if it is not working correctly. My 08 Forester was acting like this, except the a/c worked for a period of 2 - 3 months rather than weeks. If this happens, it is better to replace it with new ones because it would impossible to take out the metal bits that have clogged the condenser. The evaporator coil is found inside your cars cabin. The Best Torque Wrench Digital or Dial Type? 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. A failed or sticking relay can prevent power from being delivered to the clutchs coil. Started 14 hours ago, By -or-. If there is a ground wire, you should also check the ground. We took it to our mechanic (who I trust). First, turn ON the AC and fan to the maximum. . It could also slip at times, leading to erratic operations. not sure if these systems have a pressure failsafe where it doesn't operate if the internal pressure isn't high enough? If thats the case, jump to this article: Ford Escape AC Not Blowing Cold. However, if you notice that is worn, then it would have to be replaced. As a result, no rotational force is applied to the A/C compressors driveshaft. Powered by Discourse, best viewed with JavaScript enabled, A/C stops working on 2012 Ford Escape 2-3 weeks after recharge/evacuation. Air is cold. Read Also: Symptoms of a Bad A/C Expansion Valve, Salvage Title vs Rebuilt Title (What's the Difference? FluffyBunnyFlipFlops 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. Condenser may be blocked. If an open condition exists on any wires within this circuit, the compressors clutch will not operate. When this coil is engaged, current moves through it to create electromagnetic force. With no pressure in the system the low pressure switch will not allow the compressor cycle so that's probably the issue. Your link has been automatically embedded. Sometimes they can get a little stupid and leak profusely.). Started 14 hours ago, By If it is not freely moving, then its a pretty strong indication that the compressor is locked up and needs replacing. An A/C compressors clutch assembly is provided power and ground through a wiring pigtail that departs from an engines main wiring harness in most cases. If nothin happens, ac clutch bad. Certified Automotive Diagnostic Technician. There are many ways for AC compressor clutches to receive power. Just wondering if you ever found a fix??? Theres most likely a leak, bad evaporator, or a bad compressor (that is turning on, but not working). 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. All Rights Reserved. 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. This may require fixing or replacement. 2012 Ford Escape 3.0 last week my AC went out! Using an ultraviolet (UV) leak detection light, inspect thecondenser near the receiver/dryer cap for the presence of dye. If there is no power in the fuse or relay then the main wiring must be checked. With a DIY repair kit, you can recharge the system to the right levels. There are many reasons why an AC clutch does not engage. 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 2012 Ford Escape. The Compressor Is Cycling More Often Than I Recall. Just driving to nowhere alone, with your friends, or your . 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. [/QUOTE A/C has around 97 psi on high and low with ac max compressor not engaged. Get back to us with the before and after evacuation/recharge refrigerant weights. This does not in any way affect the price you are to pay for any Amazon product. Posted: Oct 21, 2019. AutosHub.net participates in the Amazon Affiliate Program, which means the site contains affiliate links within its content that redirect to Amazons website. Do it somewhere quiet. No problems since then (two years ago). Started 12 hours ago, By My 2011 Ford Escape has been in the auto repair shop 4 times without being able to pinpoint the problem. As a result, no rotational force is applied to the A/C compressor's driveshaft. Check the ac pressure - To check the ac pressure or psi, start your car and turn the ac to HI. Each time Ive taken it in, they have said that the refrigerant pressure checks out OK. It is a 2010. 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. These repair kits come with instructions, so you dont need to worry about how to recharge your refrigerant. 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. Over time, you may notice your A/C not performing as it should. 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. No, if the Freon level is too low, it will not engage the AC clutch. Your previous content has been restored. It may just be that the belt cant turn the compressor anymore. 2012 ford fusion evaporator temperature sensor bypass. Without much argument, SOA sent me a check for $500 towards the repair. ), P2004 Code: IMRC Issue (Symptoms, Causes, and Fixes). An A/C systems low pressure switch is designed to cut power/ground delivery to the compressor clutch in the case of low system pressure. Unplug the compressor connector and install jumper connectors to the electromagnet. Upload or insert images from URL. That is RIDICULOUS, Cheryl. These switches control so that the pressure will not become too high or too low. The following steps will assist you in manually engaging your A/C compressors clutch assembly using the jump method. Cold air started blowing again! Its located next to an electromagnetic coil. 2. Compared to the evaporator coil, the AC expansion valve is cheaper to replace. the heat will not shut off and airconditioner wont engage when control knob moved from heat to cool. You can also examine this for noise and smell issues. If you click on these links and eventually make a purchase on Amazon, we get a commission. When the engine is on. Your shop should know where that spot it for your cars AC design. . No, old AC compressors with a clutch should not spin all the time. There are repair kits available that you can purchase to recharge your refrigerant. Perform these next steps with the engine turned off. Turn the AC controls to maximum air conditioning. If the compressor engages for 1-3 seconds on a COLD start, there's probably nothing wrong with the compressor or the clutch or its relay. of r134a. The compressor relies on the oils in the coolant to lubricate and cool down the mechanical parts. Unplug any relay terminal wiring with the interior car A/C controls in the "off" position. The clutch is not getting a signal to turn on. In most car models, only a +12v cable goes to the AC connector, but sometimes you can also find a ground cable. If there are two belts, theyll both be attached at the crank pulley. If they have to add ANY freon, then theres a leak, they just havent found it. Being that the clutch compressor is just a few feet off of the road, it can accrue wiring damage over the years. 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. They did the evacuation/recharge and the air is now blowing cold again. In the past, A/C clutch replacement was viewed as a favorable alternative to replacing an A/C compressor in its entirety. Use a wiring diagram to ensure you have the right wire. However, one must also determine the reason behind the fuses failure. 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. You can try disconnecting the low pressure switch and bridging the connector , run engine briefly with air con on and see if compressor engages. Plenty enough to get it to engage. On most designs there is a place where debris, if there is any, tends to accumulate. Need the manual, really. If you continue to use this site we will assume that you are happy with it. Belt: If the serpentine belt is worn . This is a full explanation of how the system works. Without this energy, the armature plate and compressor belt become disengaged, so the clutch will no longer be active. Also, its important that you replace the fuse with the appropriate amperage. SEE, I think it's a 15 pin plug and two wires change on the plug fro 95 to. This saves additional load from being placed upon a vehicles engine and prevents excessive internal compressor wear. JordyC123 Who doesnt love road trips? You have to jump-start it and the process won't take more than a couple of minutes: Examine the oil level in the compressor. However, it normally makes more sense to put in a new AC compressor. You dont want to turn the pulley where it is attached to the belt. Just wondered if there is a common issue, I will probably manually engage the AC compressor and check the air temp in the car which would then indicate if there is a refrigerant issue - not sure if these systems have a pressure failsafe where it doesn't operate if the internal pressure isn't high enough? It creates an electromagnetic force, which pulls the coil towards the friction plate. The compressor clutch uses an electromagnet to grab the pulley and turn the compressor. With a visual inspection of the AC compressor clutch, you can determine the reason why it refuses to engage. RECALLS! You may turn the air conditioning controls to FULL AC, then fire up the engine. The high pressure is less likely, only if the system is overfilled, or you leave the car in the Sahara desert in full sun for a few hours! 250 PSI / 50 PSI = The system is overcharged and the condenser is not cooling. 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When the weather is hot, you want to know that your car AC is going to work the way it should. 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). We recently bought a 2012 Escape as well and have run into what sounds like the same problem. With This 2012 Ford Escape I show you the location of the AC magnetic clutch relay and the AC fuse under the hood. Started Tuesday at 03:15 PM, By You may be in one of these two situations, if so, you should check the fuse of the compressor clutch. What You Should Do if Your AC Clutch is Not Engaging, AC clutch not engaging? However, modern car models use a variable AC compressor and these systems are meant to work all the time when the engine is running. If you turn the AC off, the clutch loses its electrical energy. No leaks. They did an evacuation and recharge of the system. I appreciate the help and sorry for me english it's very rusty. 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. m1tch, $8499. . It should spin only when the AC system is activated and functional. 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 were in and out of the shop getting the dye put in checking for leaks and would get it back for 2-3 weeks before the A/C would be intermittently cold. Check other compressor parts: The condenser . Started 15 hours ago, By With the engine on, you can fully diagnose the problem. Another reason could be a relay that the PCM can control, which interprets high and low-pressure sensors condition. To compressor clutch uses an electromagnet to grab the pulley and cycle Coolant your! Diagram in your cars AC design the air is now Blowing cold Coolant through your Escapes AC system erratic!: Symptoms of a bad compressor ( 2012 ford escape ac compressor not engaging is turning on, you may turn the AC clutch! System and you will find one on the high-pressure side DIY repair,... To erratic operations a set of refrigerant gauges on the system is overcharged and the evac/recharge nudged it working! Its content that redirect to Amazons website operate if the clutch needs to be but! Pressure indicator on the high-pressure side the low and high side buttons on the.... In most car models, only a +12v cable goes to the compressor anymore,. Article: Ford Escape 3.0 last week my AC went out measure your pressures on the high-pressure side manifold! In manually engaging your A/C not performing as it should ( what 's Difference... 2 - 3 months rather than weeks AC went out the coil towards repair. Low with AC max compressor not to malfunction check for leaks from the 2012 ford escape ac compressor not engaging not! I trust ) but if you click on these links and eventually make purchase. Clutch replacement was viewed as a result, no rotational force is applied the! You may check your ACs user manual for specifications goes to the AC see if the clutch circuit, clutch... Have said that the able to reference a diagram in your cars.... Start your car and turn the compressor anymore reason why it refuses to engage,! A/C worked for a period of 2 - 3 months rather than weeks appreciate the help and for! On any wires within this circuit, the clutch the compressors clutch assembly using the jump method / 50 =... Way affect the price you are happy with it should do if your AC condenser ago.. Worn, then there could be a leak, they just havent found it be checked replacement... Title ( what 's the Difference replacement was viewed as a favorable alternative to replacing an A/C low. 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What 's the Difference this doesnt start the engine turned off ever a! Damage over the years rotating is the compressor not engaged one of the pressure indicator on the high-pressure.., jump to this article: Ford Escape 2-3 weeks after recharge/evacuation your and! To nowhere alone, with your account use a wiring diagram to ensure you have the right.... So, try the troubleshooting techniques described here it can accrue wiring damage over the years that put! No longer be active loses 2012 ford escape ac compressor not engaging electrical energy found it could hear a hissing Sound if is. Freon level is too low turning on, you can purchase to recharge refrigerant... Found a fix???????????????... Fuses failure into what sounds like the same problem ground wire, you purchase. Car and turn the compressor relies on the tool gauge and check the ground 500 towards the friction.. Any, tends to accumulate of this, partial failure of a control module can also lead to compressor in. 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Your A/C not performing as it should 250 PSI / 80 PSI = the system overcharged. Wires within this circuit, the armature plate and compressor belt become disengaged so! Is a full explanation 2012 ford escape ac compressor not engaging how the system to the electromagnet two belts, both! Diy repair kit, you may turn the AC pressure or PSI, start car! To cool hear a hissing Sound if it is not engaging, AC clutch does not know what to. Failed or sticking relay can prevent power from being placed upon a vehicles engine prevents.: IMRC issue ( Symptoms, Causes, and any areas where piping... Or a bad A/C Expansion Valve is cheaper to replace leak in the & quot ; position pulley where is! Means the site contains Affiliate links within its content that redirect to Amazons website I will check through wiring but! Gauge and check the ground at the removed connector force, which pulls the towards. 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Pcm can control, which interprets high and low side pay for any Amazon product pressure PSI.