Ac Clutch Engages Intermittently

No radiator fans come on when I turn on my AC switch. Technician B says that the air conditioning compressor clutch may not engage if the refrigerant system is low on charge. If clutch is not engaging perform diagnosis of the compressor clutch J44 test. When it works, the AC works well, nice and cold. That relay is located in the fuse panel under the hood. Never engage clutch knob while drum is turning. “It’s a problem because it shortens the overall life of your HVAC system and can drive up your energy costs. Actually, for the past half a year the AC seemed to work intermittently. 1 (2002-2010) Citroen C5: central locking not working from key fob. Again, most common reason for an A/C compressor not engaging is a lack of refrigerant (check that first). By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Call (956) 984-4433 for more information. Lost Communication With Air Conditioning Control Module. The MDH is the month, day, and hour (24 hour clock) of assembly of your truck as expressed as XXXXXXX. Re: a/c compressor won't stay engaged Sign In As Discretesignals just said this needs to be charged by weight to knowns of system capacity which I can or we can provide but like he just said this needs a shop that does this as it's difficult and equipment can get insanely expensive for the DIYer. Note: the car has about 120,000 miles on it. So let's get to it! Tools you will need: Snap ring pliers Pipe wrench Socket set Strong zip ties 80+lbs 1. Fixed: A/C intermittent failure - flaky relay A few days ago, the AC on my 05 OBXT-LT started working intermittently. The compressor in most car air conditioning systems cycles based on pressure sensors, using a relay to engage and disengage the clutch. If that was the case, you would hear a very loud squealing anytime the engine was running and the belt would break after a matter of minutes. My local mechanic was able to replace the compressor after we eventually figured out what was. I thought I'd post a couple of points on DIY AC clutch and coil replacement as I have been unable to find anything online concerning this. It will be labeled Mag Clutch or have a picture of a snowflake. If the clutch does not engage with the "normal A/C" setting there is a problem, possibly electrical but also possibly related to the level of refrigerant charge. There are specific tests for each. How would I go about troubleshooting this?. Broadcast Message 9955. What else can I check before submitting to an expensive repair? Also, the clutch coil reads continuity, zero ohms resistance. I replaced the clutch plate and that restored the AC performance. This one was easy enough to diagnose just by looking at the air … Continue reading "2000 Ford F350, A/C Not Cold Sometimes". For this reason we have come up with a Troubleshooting Guide to help you out. Affects Citroen C3 1. A/C clutch won't engage. The specific problem is the failure of a relay inside a small electronic module that is mounted in the engine compartment under the air filter housing. They said it will cost $160 to diagnose and up to $1,000 to replace the compressor. 2004 Ford Explorer intermittent Air Conditioner clutch engagement? Unanswered Questions. And it was. Ive cleared all the codes, and I did try the u bend wire to the low pressure. This time we get to share some good news. Fan stays on, I do notice fan free spins for a few seconds when you shut the engine off. These parts can fail overtime causing your compressor to stop working. Lots of AC posts here, so I'll add my own. 030 will not engage you adjust it to be closer if so but not yet. If your actions do not deliver results, you may bring your car to a mechanic and let him do a thorough check-up of your AC system. The extra shim caused a slightly large airgap. Once you turn on the AC the center part of the compressor, the AC clutch should engage and start to rotate with the pulley. 5 from the 14 volts otherwise. This has led me to believe the problem is electrical. The customer drove the vehicle about 1/4 mile before it shut off the last time. The first thing to check if your compressor will not engage is the electrical system. I checked the 7. The clutch being engaged pulls a slow drain on the battery even with the A/C system evacuated, but with the system charged (i. The ac relay is a high fail item. left on the drum. The AC compressor is engaged (turned on) by a clutch. Every 5 min it blows hot air. The 2008 Honda Civic has 15 problems reported for a/c doesn't blow cold air. The high-side service port fitting shouldn't fit a recharge can. Used 2019 Jeep Compass Trailhawk 4x4 for sale in Ogden, UT, 84401 at Avis Car Sales. I charged the system with R134a from the parts store going by the instructions, it seems to hold refrigerant, and I don't see. When I first turn the car on I can see the A/C clutch being engaged, but after the car runs for bit, then clutch disengages. The clutch should still be engaged and turning with the pulley, although the clutch might cycle on and off which is normal as the cooling load will vary. It does it with the hottest floor heat setting too. What else can I check? I an not sure what I can jumper to get the clutch to engage. AC compressor clutch assembly air gap. Improper AC clutch plate spacing or a weak AC clutch coil can also make a grinding or hissing noise when the clutch doesn't engage completely and won't generate enough pressure in the system to keep you cool. Worn A/C Clutch Plate What you probably are experiencing is a "worn A/C Clutch Plate". The green light above the A/C button, which is normally illuminated when the A/C power is on, began to blink. any other ideas?. Average repair cost is $990 at 67,150 miles. If the compressor clutch engages and turns the compressor, but the A/C still does not blow cold air, the system is probably low on refrigerant and needs to be recharged. Now it has started doing the same thing in blowing hot air. I will take the advice of going to the AC guru since I do not have the proper tools for AC work. A/C on, clutch engaged compressor spinning, is it a V6 piston operated, feel the output large compressor hose, should be cold. Voltage drops to 12. Circuit Description. Sometimes restarting the car gets it to kick back on, or even letting. When it was intermittant the AC would blow only warm air then other times when I would. A/C signal circuit troubleshooting •HVAC DTCs •Blown fuse No. My local mechanic was able to replace the compressor after we eventually figured out what was. The clutch is definitely being commanded to engage, but it is intermittently actuating. I have a 2000 GMC Sierra, 5. Air Conditioning problem V8 Two Wheel Drive Automatic 87000 miles Therefore, its not cooling. I have power in and out of hi and low pressure switches. Sometime the Clutch compressor will engage but other time it won't, What could be causing this to happen? The AC is cold when the clutch engages but it's intermittently giving me problems. 46 and they sell it for 26. There are 3 relays that are identical, 2 are for the fans and one is for the AC clutch. Lots of AC posts here, so I'll add my own. Initially it took about 5 minutes and now it's up to 20. It does it with the hottest floor heat setting too. The AC compressor relay is responsible for supplying power to the AC compressor and clutch. The A/C symbol on the heat AC control panel flashes for a few seconds. in Ames, IA, 50010-6430. An apparently intermittent symptom can be caused by the following: a. It is mounted in the low pressure side of the AC system and its purpose is to detect the flow of. I have checked pressure switches, wiring, dash controls and have not found the problem. When I tap the front plate of the clutch, it will re engage and stay engaged. I figure it's probably a problem with the clutch or some controller. To see how frequently Nissan Altima problems occur, check out our car reliability stats. Click "Download" to get the full free document, or view any other Vibe PDF totally free. If that was the case, you would hear a very loud squealing anytime the engine was running and the belt would break after a matter of minutes. must be a common problem on cr-v's. He also explained this was a separate fan from the one that blows internally in the car. The AC puts out cool air and I checked the pressure connecting up to the low side port with a gauge yesterday. Without this relay, the AC compressor will not have. Actual sensor support is based on manufacturer discretion. Engaged Disengaged Figure 9 If the winch A CAUTION motor stalls, do not continue to apply power. This may be an intermittent condition and the performance of the Heating, Ventilation and Air Conditioning (HVAC) system may not meet customer expectations. The A/C symbol on the heat AC control panel flashes for a few seconds. If I jump 12 vdc directly to the air conditioner compressor, I assume the clutch should engage. I searched all over the forums and was unable to find A solution for fixing a messed up A/C compressor clutch without either replacing the entire compressor for 460 bucks or buying the whole clutch assembly from Mazda for 260 bucks. If this was at all. If the compressor clutch engages and turns the compressor, but the A/C still does not blow cold air, the system is probably low on refrigerant and needs to be recharged. An air conditioner with frequent on off cycles cannot remove humidity from the room. When you have checked all the possible causes listed and you are still experiencing the problem, see your John Deere distributor. Just to be thorough: I did NOT experience any intermittent functioning of the AC, which is often associated with this problem. Code F48(low pressure), which used to disable the clutch, switch to ECON, and trip the service AC light does not trip anymore. Also, when installing a new clutch, clean the flywheel & pressure plate with brake parts cleaner & make sure your hands are clean when handling any clutch component, especially the clutch disc. Correction. Bought new relay for $15. This clutch is electrically operated. 2004 Ford Explorer intermittent Air Conditioner clutch engagement? Unanswered Questions. AC compressor won't engage, help Service & Maintenance. 030 will not engage you adjust it to be closer if so but not yet. I heard an intermittent squeal at idle from the engine compartment yesterday, while taking my wife's '78 911SC out for a day trip. This one was easy enough to diagnose just by looking at the air … Continue reading "2000 Ford F350, A/C Not Cold Sometimes". 46 and they sell it for 26. Not the cheapest job but you do the math. 1993 Buick LeSabre. Check compressor mounting Intermittent or Inoperative 3. The main cooling fan is running normal even when the ac clutch on. Which technician is correct? a Technician B only b. While using the AC, engine fan comes on and sometimes stays on for long periods of time. Did some suspension work on the car and when finished, took the car out and checked the AC and it was working for 4 days straight. If it's cool out, my AC will be just fine. any other ideas?. I also have an 03 GMC and recently replaced the cycle switch after testing and finding that it was bad. If you begin to notice a change in your fan’s speed – it seems too fast or slow – there are 3 key areas to…. If the clutch does not engage with the "normal A/C" setting there is a problem, possibly electrical but also possibly related to the level of refrigerant charge. The temp/fan module was replaced by me (3rd time) about 4 months ago. Once it's engaged the compressor for no reason, it will stay engaged through engine stop / start cycles, and turning the climate system off. The next day it engaged for 20 min blew ice cold, then disengaged and wouldn't engage again. But the moment you start the truck the clutch re engages. Runs cold when moving at normal driving speeds, or when running high RPM. 1 (2002-2010) Citroen C5: central locking not working from key fob. 3 liter diesel engine came in with the complaint that the a/c works sometimes. 2008 EX-L V6. system is full. is switched on & off the clutch should engage & disengage with an audible click and the engine will noticably change speed each time. Like frank said, you already did the diagnosis when it was not working (exactly when you want to do it). The A/C symbol on the heat AC control panel flashes for a few seconds. Thankful that I could remove the Targa top, I would have melted without AC or an open top. Not only could your issue be a clutch or over filled coolant, it could also be a faulty pressure switch, an ECU overheating, etc. Must be happening all the time. If you begin to notice a change in your fan’s speed – it seems too fast or slow – there are 3 key areas to…. Afterwards, I did not bother fixing it as it was cold outside. A search of Google images will give you the location of the AC relay. I have a 2013 Soinc LT with the 1. you are going to check things when it isnt cooling you have a low and high pressure switches that control ac clutch operation the low pressure switch is designed to cut off ac clutch at about 25psi low pressure to prevent system freezing up if this is your promblem you will see the accumlator iceing up. the following are the most frequent symptoms and causes of clutch related failures and how they relate to the compressor itself. Replied by cap269 on topic Honda A/C Intermittent Problem Stokes wrote: I don't have a manifold, but the high pressure side of my system reads about 180lb with the gauge attached to a recharge can. You now know what to do when AC compressor clutch is not engaging. The clutch should still be engaged and turning with the pulley, although the clutch might cycle on and off which is normal as the cooling load will vary. Obviously when it blows cold air I can see/feel that the AC compressor is kicking in and is not when blows warm/hot air. It will be labeled Mag Clutch or have a picture of a snowflake. Acura Legend AC compressor clutch engages intermittently. Last year the AC would intermittently not work. morning when the refrigerant has been sitting in the lines over night, or when the car is compressing the AC). My air conditioner quit working the other day. , but its only been a half day, so i'll will need more time to explore if this is the real fix, i had explained that when the ac was not blowing cold air the compressor was not spinning. Visual inspection of the A/C compressor showed it was not engaged when this would occur. A bearing noise that occurs when releasing the clutch pedal to engage the clutch while in neutral, but goes away when the pedal is depressed is caused by a bad transmission input shaft bearing. Call (608) 370-5319 for more information. Like frank said, you already did the diagnosis when it was not working (exactly when you want to do it). The smartest bet is to add a dye to your air conditioner, and then trace that dye to the source of the leak. 6 2005: clutch screams when depressed and vibrates through clutch pedal. The clutch consists of a plate, a hub and a coil. The ac/heater fuse is not blown. I tapped gently on the fuse once and the clutch kicked right in. Sometimes it will come on, sometimes it won't. It was a Dorman from rockauto. After 25 years of working with mobile air conditioning, ten of which was full time on farm equipment and OTR trucks, I feel I have a bit of info and experience to share with those people who make their living off the land, over the road or in the shop. Now it has started doing the same thing in blowing hot air. Air conditioner not cooling when at idle or at low speed. This may be an intermittent condition and the performance of the Heating, Ventilation and Air Conditioning (HVAC) system may not meet customer expectations. I have absolutely no idea what the problem could be. Car makers use an electro-magnetic clutch to engage and disengage the air conditioning compressor. Home / Tips from the Pro / How to Diagnose Your Car’s Air Conditioner Using A/C Pro. There were no leaks but they said the clutch and coils were not engaging. Determined it was the clutch gap when I ran the ac and put a steel rod carefully down next to the clutch while the ac was turned on and the clutch was disengaged. At the front of the compressor, within the pulley, is a magnetic coil. In these situations, it is necessary to have your vehicle checked immediately by a professional mechanic. Troubleshooting a Honda Civic AC If there is a metal to metal sound like a grinding when the compressor comes on the clutch is bad on the compressor and can be. The Bus Air Conditioning Refrigeration Cycle: Component Definitions: The Thermostat, located in the interior of the vehicle, calls for cooling. Sometime the Clutch compressor will engage but other time it won't, What could be causing this to happen? The AC is cold when the clutch engages but it's intermittently giving me problems. It wouldn't engage which made me think that I'd need a new a/c clutch and maybe compressor. Call (740)-773-2220 for more information. A/C signal circuit troubleshooting •HVAC DTCs •Blown fuse No. The clutch on the ac compressor is not spinning (and does not spin intermittently). What would cause the clutch on the a/c pulley to slip and not completely engage? (2000 Ford Taurus) Then one extremely hot day while using the a/c, made a stop and left the motor idling and a/c on. Air conditioner not cooling when at idle or at low speed. Air conditioning is one of many features on a luxury car that make for a superior driving experience, and when the A/C system on your Lincoln Town Car breaks down, you will find parts to repair and replace the air conditioning compressor and compressor. When I start the car up in the AM and turn the AC on it seems to work ok, maybe a little slow to start cooling. Does this mean It needs refrigerant to turn on or does it mean the ac compressor is not working at all to produce a pressure?. CM-813 AIR CONDITIONING TROUBLESHOOTING FLOW CHART clutch state and system voltage is correct. Initially it took about 5 minutes and now it's up to 20. (See Figure 9). When I turn the AC on (GM A6 compressor) the alternator "quits charging". It started blowing warm air yesterday, so the first thing I looked at was to see if the compressor clutch was engaging. This may not turn out to be true all the time, as the AC could have failed due to a fault in some other component. The AC started cooling of the truck quickly, but stopped blowing cold air about half way through the 20 minute drive. I did nothing but move the lines out of the way and un-hooked nothing in the AC system. What would cause the clutch on the a/c pulley to slip and not completely engage? (2000 Ford Taurus) Then one extremely hot day while using the a/c, made a stop and left the motor idling and a/c on. If this was at all. Engine fans would also come on when i pushed the a/c button so I knew controls were ok. (Just goggle it) makes the truck run through a series of test including the ac compressor clutch. Other factors, such as where the work is done (whether at a local auto repair shop, car dealership or you do-it-yourself) also factors heavily into the cost of repair. if it never turns on in 5 minutes, you have a problem with the fan. If your actions do not deliver results, you may bring your car to a mechanic and let him do a thorough check-up of your AC system. I shut it off to keep from ruining the whole mess. The intermittent cooling until you get moving is most likely the fan clutch. Test power at the compressor. I'll drive through town for a few mins and then hit the highway and everything seems to be cooling just fine all the while. AC is not working. Where to fix car AC? If clutch doesn't engage then it will be all warm air, do you hear hissing sound when you turn it on? intermittent AC and the diagnosis. The general cause of the no/intermittent AC operation is the failure of the circuit that engages the AC compressor clutch. If the coil becomes weak, it may not have enough power from the electro-magnet to pull the clutch plate into the hub. The van stalled and would not start for about 10 minutes. The temp/fan module was replaced by me (3rd time) about 4 months ago. The air conditioning on my 2003 Ford Focus with a 2. Average repair cost is $990 at 67,150 miles. of the control module and the air conditioning compressor clutch. Even when you are using the …. The extra shim caused a slightly large airgap. with king cobra clutch and mustang Steve clutch. #04-01-38-019A - (Jun 7, 2005) Intermittent Slow to Cool HVAC Performance Concerns in High Ambient Temperatures and/or High Humidity Conditions After Start Up, Especially at Low Engine. Should the problem involve handling of the refrigerant, or if the issue becomes too complex or dangerous, be sure to consult with a professional automotive ac repair technician. The AC system uses compressed refrigerant to cool the cabin when you turn the air conditioning on. The figure below shows where to check. Said it fails due to the heat of the engine compartment and the AC clutch relay is closest to the engine of the bunch in the housing. The transmis­sion engaged properly in low gear, all shifts were nor­mal, and the only codes that returned were for the fan control assembly. Re: a/c compressor won't stay engaged Sign In As Discretesignals just said this needs to be charged by weight to knowns of system capacity which I can or we can provide but like he just said this needs a shop that does this as it's difficult and equipment can get insanely expensive for the DIYer. The PCM will activate the A/C clutch relay when the PCM detects that A/C has been requested. The engine is what runs the compressor. Whether it's a full-size unit or a window AC compressor not turning on, Repair Clinic can help you reach your optimal air temperature for comfortable habitation. the high pressure switch switch will cut out ac clutch at about 300psi high pressure check. The compressor engages initially, but after an increasingly shortening period of time it stops. when towing up a slight grade when shifting down it goes into neutral and I have to ease back on the throttle before it goes back into gear. After 25 years of working with mobile air conditioning, ten of which was full time on farm equipment and OTR trucks, I feel I have a bit of info and experience to share with those people who make their living off the land, over the road or in the shop. #04-01-38-019A - (Jun 7, 2005) Intermittent Slow to Cool HVAC Performance Concerns in High Ambient Temperatures and/or High Humidity Conditions After Start Up, Especially at Low Engine. ADVANCED SIGNALS. :D '08 Civic, AC works normally but once engine warms (maybe 10min driving) I have confirmed the AC clutch fails to engage sometimes. The AC system uses compressed refrigerant to cool the cabin when you turn the air conditioning on. A faulty clutch will randomly work, and not work whether you are moving or not. But -- and here's the important thing -- I could feel the electromagnet in the clutch turn on and off. Mechanic's Assistant: Has the clutch been slipping? Are you having any trouble shifting?. My A/C clutch. My AC just quit today. The center part on the pulley of the A/C compressor will not spin when you have the air conditioner off or if there is a problem. First check fuse 20 for the radio and see if that fuse has blown, replacing it if it has blown. Then you know. The extra shim caused a slightly large airgap. I have a 2013 Soinc LT with the 1. When I start out in the morning it works fine, but once I start and stop at lights, etc it quits working. The AC compressor on my 3. I checked the fuses associated with the AC, but they were OK. Shim the AC Clutch. When it works, the AC works well, nice and cold. Again, most common reason for an A/C compressor not engaging is a lack of refrigerant (check that first). Whether it's a full-size unit or a window AC compressor not turning on, Repair Clinic can help you reach your optimal air temperature for comfortable habitation. 8 mm, the clutch may not be able to re-engage after the compressor gets hot. When I start the car up in the AM and turn the AC on it seems to work ok, maybe a little slow to start cooling. 030 will not engage you adjust it to be closer if so but not yet. 2001 Silverado 4. I suspect its something electrical. The 2015 Chevrolet Tahoe has 52 problems reported for a/c stopped working. , but its only been a half day, so i'll will need more time to explore if this is the real fix, i had explained that when the ac was not blowing cold air the compressor was not spinning. To see how frequently Nissan Altima problems occur, check out our car reliability stats. Without this relay, the AC compressor will not have. It actually signals the ECM which sends a signal to the AC clutch relay. The transmis­sion engaged properly in low gear, all shifts were nor­mal, and the only codes that returned were for the fan control assembly. The only way continuing to drive your car with a broken air conditioning system would damage anything would be if the compressor was seized with the clutch engaged. The interior fuse box is on the driver’s lower left side. Some 2010-2012 Fusion and 2010-2011 Milan vehicles equipped with manual temperature control may experience the climate control system intermittently blowing warm air when cold air is selected or the a/c is turned on. Home / Tips from the Pro / How to Diagnose Your Car’s Air Conditioner Using A/C Pro. Plenty of freon in the system. This was not one of your complaints with the system, but this relay is known for being weak. This spring it will not work at all. Either could be perfectly fine, have a little corrosion, or have other issues. I then sent power directly from the battery to the clutch to see if it would engage. AC clutch malfunctioning sometime when AC is ON AC clutch malfunctioning sometime when AC is ON. I took it to a mechanic who applied power directly to the compressor, forcing it to come on. My ac just stopped blowing cold air one day, once I got home the compressor stopped engaging. Issue: Intermittent air conditioner cooling Hello folks, My 06 Civic's AC seems to be misbehaving. Those AC clutch. AC COMPRESSOR REPLACEMENT. All lights and relays are good. Checked and found the there is sufficient Freon and the pressure looks okay. I have a 1999 Mack Ch613 and my fan clutch wont stop. Correction. when towing up a slight grade when shifting down it goes into neutral and I have to ease back on the throttle before it goes back into gear. What can cause the clutch to stop engaging?. What makes the clutch not engage? 39 Answers. I read that on all Dakotas that the fan and fan clutch should be replaced by Dodge because of the noise, and I have that roaring noise, too!. Sometime my AC doesn't work at all for about 20 minutes, then the clutch will engage and it's fine. Find it in the underhood fusebox, remove it. Should I of went with AC Delco ? If your fan clutch gets stuck engaged. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Can You Guys Help w/my Silverado AC Clutch/Compressor? Gordo,with the key on and engine off,turn on the A/C and tap the cluth face to see if it engages,if so,the. As soon as you get moving it gets cold again. The clutch consists of a plate, a hub and a coil. Hello Guys, I own 09 Altima with 100k miles. The green light above the A/C button, which is normally illuminated when the A/C power is on, began to blink. our 2011 quit a week ago after intermittently functioning for over a year. When the PCM activates the relay, voltage should be present at both the A/C compressor clutch and the A/C clutch status circuit at the PCM. If I jump the low pressure switch, the clutch remains engaged This sounds like a classic low pressure situation but when I hook up a gauge to the low pressure side, it registers around 54psi (images attached). It lists for 38. Seems like pretty straightforward stuff. This one was easy enough to diagnose just by looking at the air … Continue reading "2000 Ford F350, A/C Not Cold Sometimes". “It’s a problem because it shortens the overall life of your HVAC system and can drive up your energy costs. I've had this jeep for most of its. Fan stays on, I do notice fan free spins for a few seconds when you shut the engine off. The clutch compressor is designed not to engage when something is wrong in the system. AC is not working. 4 mm, depending on which message board you chose to believe. A/C compressor clutch circuit troubleshooting 2. 3 liter diesel engine came in with the complaint that the a/c works sometimes. Compressor replacement is the only. Needle nose pliers seamed to work for me. The fan clutch was a preferable repair from a cost standpoint. Sometime the Clutch compressor will engage but other time it won't, What could be causing this to happen? The AC is cold when the clutch engages but it's intermittently giving me problems. So let's get to it! Tools you will need: Snap ring pliers Pipe wrench Socket set Strong zip ties 80+lbs 1. Fan clutch its self is fairly new but Im pretty sure thats not the problem. Here's how to shim the AC clutch on an S60. Fixed: A/C intermittent failure - flaky relay A few days ago, the AC on my 05 OBXT-LT started working intermittently. Well fellas I have been dealing with the no air conditioning issue with my truck for about a year now. I bought a used 96 3. When I start out in the morning it works fine, but once I start and stop at lights, etc it quits working. April 1, 2016 / By Comfort Pro (a Reading, PA company) / Air Conditioning • HVAC / 0 Comments My Central A/C Fan is Not Working, What Do I Do? A central air-conditioner is an elaborate system that involves parts such as an evaporator, a compressor, a condenser, fans, and refrigerant to run through the unit. The Air Conditioning won't work on the 2002 GMC Sonoma I just bought. If it doesn. They said it will cost $160 to diagnose and up to $1,000 to replace the compressor. Once it's on, it works perfectly. Fuses in the vehicle passenger compartment Honda Accord 2003-2008. All pressure levels read fine once the compressor engages.