But, first, youll need to locate the compressor relay. How to Manually Move A Power Seat: A Step-By-Step Guide. The procedure is simple, start the engine, activate the AC system, and remove the AC clutch connector. The A/C stopped blowing cold air . AutosHub.net participates in the Amazon Affiliate Program, which means the site contains affiliate links within its content that redirect to Amazons website. Route the wires to the car battery. (Radiator fan). They did the evacuation/recharge and the air is now blowing cold again. Mine blows very cold, no matter how hot outside it is. Goodmorning, the ac compressor on my ford escape is not engaging. Started 12 hours ago, By However, when the AC pressure switch goes bad, warm air might be all you get. Air is cold. rcmckee 4.5 amps, check clutch air gap. Inspect the harness to make sure that it doesnt have any opens or shorts. 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. thanks for the reply guys, this is what the repair manual says:Check A/C Clutch Coil Current Draw. 3. 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. Started Tuesday at 12:48 PM, Ford Owners Club That activity is pre-programmed into the PCM so it's done regardless of the settings of the HVAC system. It is a 2010. 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. Castrol Edge vs. Mobil 1 Oil: Differences & Which Is Better? Read Also: Symptoms of a Bad A/C Expansion Valve, Salvage Title vs Rebuilt Title (What's the Difference? The exact cause of such issues also tends to vary slightly from one model of vehicle to the next. Certified Automotive Diagnostic Technician. Key on, engine off, test for 2 powers at the relay cavity. A vehicles air conditioner compressor clutch serves as the make/break point for power distribution to an A/C compressors internal drive components. 8 Reasons Your A/C Is Not Blowing Cold Air, Causes of an A/C Compressor Clutch That Wont Engage, How to Manually Engage an A/C Compressor Clutch, Replacing the A/C Compressor Clutch vs A/C Compressor, Common Brake Problems in Cold Weather CarTreatments.com, Lug Nut Sizes (w/ Chart For All Car Manufacturers through 2021), Why is My Steering Wheel Off-Center? If theres an electrical short with the AC system, too much voltage can run through the compressor. You may also notice a bad smell when you turn on both heat and AC. Performance upgrades, maintenance, modifications and problem solving. Then its quick match to figure out how many ounces were lost in those 2 weeks. Amazon Link AC Relays (Honda) - https://amzn.to/34vFNsrAmazon Link AC Relays (Toyota) - https://amzn.to/2NaBJbNIf your A/C compressor clutch won't engage bec. After inspecting the belt, there can only be two things left that could be happening: 1. If you have no power then it will not engage the compressor. Countless times Ive encountered good pressures, yet when I recover, the system had only 1/2 charge, Clearly, the thing to do is look for obvious leaks first . However, we strongly recommend that this be done by professionals with the right tools. All Rights Reserved. This indicates some form of wiring problem. Enginge Shut Down Stop Safly Now This Messige Come Every 10 To 20 Minute. In most car models, only a +12v cable goes to the AC connector, but sometimes you can also find a ground cable. (These are the ports where the gauges are connected. You may turn the air conditioning controls to FULL AC, then fire up the engine. 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. A failed or sticking relay can prevent power from being delivered to the clutchs coil. The Compressor Is Cycling More Often Than I Recall. If not on, the condenser will get too hot to work, and the a/c will shut down. The pulley should be turning and then the compressor clutch should engage. Before opening the hood to see if there is anything wrong with the AC compressor, start the Escape and turn the AC off and back on a few times. No, if the Freon level is too low, it will not engage the AC clutch. Limited-Lifetime Warranty. Jiffy Lube Vs. Valvoline Oil Change: Differences & Which Is Better. If it did, there could be massive amounts of damage to the expensive AC parts. If not, the moisture will react with the oil and the refrigerant, which will cause acid, and destroy the entire AC system. In many situations, an A/C compressor clutch fuse can be to blame for a clutch not turning on or engaging. 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. . I also talk about other relays that you ca. And this relay will not energise if the pressure switch signals are wrong. 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. You will damage the compressor. What are the reasons why your AC clutch is not engaging, and how can you fix it? If the clutch does engage manually, you are looking at some rarer issues. Who doesnt love road trips? 250 PSI / 50 PSI = The system is overcharged and the condenser is not cooling. Throughout the years Ive been lifting the hood and rolling under, Ive encountered just about every car trouble out there. Mark helpful 55,895 Tracy answered 8 years ago With a visual inspection of the AC compressor clutch, you can determine the reason why it refuses to engage. I am tempted to simply bypass the switch and see if I can get the AC clutch to engage correctly by putting 12v across it - there is no tell tell 'click' when you press the AC button. Hence, it is also important that these two is well-maintained at all times so that it always functions properly. Just like any clutch, its possible that it has simply worn out. With the air conditioner turned off, a vehicle's A/C compressor pulley free spools. 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. 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? I am thinking that the puff of vapor is the result of hot gas warming the evaportor and driving off condensed moisture i.e. If this doesnt start the clutch, the clutch needs to be replaced. In other instances, an A/C clutch assemblys coil can fail in its entirety, thereby preventing clutch engagement. 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. Need the manual, really. Ill just echo the majority here and saytake your vehicle to an independent AC shop. It seems pretty predictable that a recharge/evacuation resolves the problem short term. No, old AC compressors with a clutch should not spin all the time. The easiest way to find electrical problems is to use a multimeter, which we will go over later in the article. Seems that my mechanic does not know what else to try. Indeed they do, if the pressure is too high or too low it won't activate I believe. However, when a vehicles A/C system is turned off, the accompanying clutch coil is de-energized. RELATED: 5 Signs of a Bad AC Compressor Clutch (& Replacement Cost). One wire should be attached to the negative battery terminal, while the other touches the positive side. Your shop should know where that spot it for your cars AC design. Inspect low coolant content or pressure. Had transmission rebuilt (Pro).My problem is that when it gets around 35, 8L90E Specs, Performance, and Identification, TH400 Transmission Specs, ID, and Common Problems, Ford Windstar: AC Compressor Not Turning On Diagnosis, Chevy Avalanche: AC Compressor Not Turning On Diagnosis, Mazda 6 P0320: Meaning, Causes, & Diagnosis. Last summer, the A/C on our 2012 Ford Escape stopped blowing cold air. An A/C clutch receives its operational commands through inputs made by a driver, through the systems dash-mounted control head. 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. Your cars AC system contains many electrical wires and connections. It also gives an insight into how the system works. 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. The psi for the low side should be about 25 to 40. Then focus on the compressor clutch. The correct reading will display once the clutch engages and the gauge stops cycling. These include your Fuse, Coolant or Refrigerant, and Compressor Oil. Sometimes they can get a little stupid and leak profusely.). Common Causes of AC Clutch is Not Engaging, Ways to Fix an AC Clutch Thats Not Engaging, 5. See the FAQ in the AC section for the steps to adjust the clutch gap. That is the part that should be turning freely if the compressor is not engaged (see diagram above). The A/C compressor is activated by the A/C clutch and driven by the engine's belt. Leighton198 Your Escapes AC compressor should freely turn by hand when it is not engaged. Display as a link instead, It could even be missing entirely without you noticing if it is an independent belt. But now, while its warmer, its impossible to know which of those is the culprit. $62.21. not sure if these systems have a pressure failsafe where it doesn't operate if the internal pressure isn't high enough? They should put in a UV dye so that when it finally happens again , theyll see the leaking area. What is the AC clutch and how does it work? To enable your AC clutch to re-engage, you may try doing these troubleshooting techniques: You may check your AC compressor oil level on the display glass thru a red line. Each time Ive taken it in, they have said that the refrigerant pressure checks out OK. Started 14 hours ago, By Do Not Sell or Share My Personal Information. Started 12 hours ago, By Ford Escape. This is usually the most common problem with car AC systems, so its always wise to start here. Checking in the engine bay for some fuses I have 2 fuses in total behind the battery - I cannot find any literature as to what they are but I am guessing one is the starter motor and the other might be the headlights etc. Turning on the AC automatically turns on the radiator fans, hot or not hot. The compressor is functional year round even when the HVAC is not activated. 2012 ford fusion evaporator temperature sensor bypass. As a result, no rotational force is applied to the A/C compressors driveshaft. laumk7 Cold air started blowing again! Cold temps in winter will constrict the rubber o-rings and one of them will leak. merced city school district interdistrict transfer, thank you in seneca language, lisa french florida alvin johnson, A/C compressor pulley free spools may turn the air conditioning controls to FULL,! Bad smell when you turn on both heat and AC system pressure vapor is the culprit Freon level too! 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