Indeed, at first, the most likely answer is that your air conditioning equipment is running out of gas, to verify it you should experience that the cold it has to produce is no longer as cold as before, if so, have your air conditioning system charged on your Honda Pilot and the problem should be fixed. Car AC refrigerant will leak through the small openings. Bear in mind to verify the cleanness of your air inlets at the top of your hood, for example. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Good Luck!! Late last week, the noise came back for one day, of course when the a/c was cycling on. Professionals identified it as the compressor clutch. When it doesnt engage, you wont be able to get any cold air from the system. Good Luck!! Loud noises when the compressor is running Another potential symptom of a failing AC compressor is loud or unusual noises. RECALLS! The noise stopped after a day, then nothing for the next four, now today, I heard it again. OR ----- the noise is NOT coming from the AC Compressor at all. The AC compressor pulley is always being turned by either the serpentine belt or a dedicated belt (its going to depend on the model year and engine type). Used 2019 Honda Pilot, from Moss Bros. Auto Group in Riverside, San Bernardino, and Moreno Valley, CA, 92555. I dont hear the noise until the AC clicks on. The biggest sign is that you stop getting cold air from the air conditioner. Typical sedans and SUVs will need approximately 25+ oz of Freon refrigerant. The job includes installing new valve stems and evacuating and recharging the AC system. These noises may indicate your system needs an air compressor replacement. When the clutch isnt working correctly, the front seal can start to leak. And yes, as weird as it seems, that switch absolutely definitely caused the rattling noise in my AC compressor clutch. This debris will impede refrigerant gas flow and could cause pressure in the compressor to build up higher than normal to overcome the restriction. Copyright 2023 Mechanic Base. Piloteers.org forum community offers tech info, troubleshooting, modification DIYs and discussion for the Honda Pilot SUV. Buy online, pick up in-store in 30 minutes. When the clutch is engaged, the pulley turns. The gauge's needle should be between the red lines. My 2004 has a separate belt for the P.S. JavaScript is disabled. A hissing sound can occur for two reasons the AC is running low on gas (also known as coolant or refrigerant) or there is a gas leak somewhere in the system. On the noise with the AC off and on, both the explanations make sense. Why Does My AC Make a Loud Noise When It Turns On? Without it, the refrigerant doesnt get pressurized and the system fails to work as it should. After not hearing anything from any other pilots, a couple of techs listened to mine and sure enough, heard the noise. Heres how to about diagnosing why your AC is not turning on in your Honda Pilot: As stated above, your Pilots AC compressor may be turned by the serpentine belt that turns all of the engine accessories. Disconnect the one electrical line to the compressor. On the other hand, you may knowledge a system leak and this psshhh or hiss may be associated with the gas getting out from the system. Let's take a look at some of the other possible symptoms. When there's no air flowing through the vehicle's cabin, a bad blower motor usually causes this scenario. Hey everyone - Girl here - know very little about cars - enough to fix the simple things - not enough to deal with this problem. Problems with your Lexus? The Fora platform includes forum software by XenForo. JavaScript is disabled. If it has noise on or off how many mechanics will actually replace just the bearing? Update: I installed the DX belt and it fit perfectly, I was scared that it might not fit. If no pressure leakage has been detected, it's not necessary to replace the valve stems for the service connection ports, but I recommend replacing them anyway. If theres a big temperature difference between the vents (it can be 10-20 degrees in some cases), thats a sign that you need to add some coolant into the system. The easiest approach is to open the ventilation circuit again, and turn on the circuit while you are examining its proper action, you can try to grease it to limit this noise, but it is very likely that the final alternative is to change it. Alternatively, if you notice a clicking noise or air conditioning scrap metal on your regular Honda Pilot, you will have to get worried in this case. Check the owners manual of your Pilot or the fuse box cover to find the exact location of the fuse for the blower motor. On the other hand, there could be a malfunction without enough refrigerant. Do it somewhere quiet. The Fora platform includes forum software by XenForo. Is the 2012 model the first year to use one serpentine belt for everything? odyclub.com is an independent Honda enthusiast website owned and operated by VerticalScope Inc. I recently noticed that my a/c stopped blowing cold air, and now it make a loud rattling sound when engaged. So, the compressor was rapidly turning on and off still. The push pins are inverted (that is, mounted and pushed from the bottom up) and may be difficult to pry out the center pin. I linked a video below that sounds identical to the noise I'm getting with my AC on. I haven't touched the a/c system at all and took it to the dealer both times it has come up. For a better experience, please enable JavaScript in your browser before proceeding. 6. If your Honda Pilot has no air moving through the climate system at all, that's a lot easier to diagnose than the air that is blowing not being cool enough. In any case, you will have to examine the fan in question to visually verify its state. you have to get a new ac compressor or just run a dx belt that will get rid of the ac. If the stem appears stuck, grab the tool with a pair of pliers and them apply twisting torque. Completely annoying and Honda does not have a solution. As the proper amount of refrigerant is being reached, the oscillation will stop. Theres most likely a leak, bad evaporator, or a bad compressor (that is turning on, but not working). Part I of this series covers condenser replacement. No need to change belt. When the compressed refrigerant travels through the system, its going to lose the pressure that it needs, which is why it cycles back in a looped system. Hissing Noise A hissing sound can occur for two reasons - the AC is running low on gas (also known as coolant or refrigerant) or there is a gas leak somewhere in the system. Its pretty common and doesnt seem to be causing any real issues. The only fix would be to repair or replace whats damaged. I remember asking the service technicians at honda about that back in november and they said that there was nothing wrong with them. July 2012. Position the new condenser back into the car, making sure the bottom mounting rubber bushings are seated into their mounting holes. You will find two blower motors, one on the front and one on the back. Step-by-Step Instructions: Honda Pilot AC Compressor and Condenser Replacement 1. Remove the two 5.5-mm bolts that holds the AC coupler to the compressor. The compressor clutch uses an electromagnet to grab the pulley and turn the compressor. If theres any damage, it might require a replacement. . Let's listen to this rather odd sound and diagnose what is wrong. Its typically due to liquid migration. Heres a video showing how to access a fan and fix it on your own. This guy found a leaf (!) These parts are responsible for supplying the necessary power to the clutch and the compressor. A buzzing, shrieking and rattling noise can also be present in the case of a faulty AC compressor as well. For the air conditioning to work correctly, the refrigerant must be charged to a particular level. No further grinding noise during the rest of the day startups. The ES330 chassis changed from the ES300 (except the '02 and '03 ES300) making service access to the compressor and condenser different. If you lose over 200 rpm and the idle speed doesn't rise again, then there's a problem. This noise may start before there are any other symptoms, giving you a heads-up. I filed a vehicle defect notification with Honda. Content is for informational or entertainment purposes only and does not substitute for personal counsel or professional advice in business, financial, legal, or technical matters. Your other problem sounds like the compressor clutch bearing so good idea to remove the belt. Faulty AC Compressor Clutch Check Price on Amazon.com If your ac compressor clutch is faulty, your AC will not blow cold air and will make a squealing noise as it tries to engage. One of the threads was: Please reference year of your Pilot with posts. well outcome is HONDA says there is nothing more they can do at this time. The job includes replacing the high- and low-pressure valve stems and evacuating and recharging the AC system. To check for this problem, you need to pay close attention to your cars RPM gauge. . 5If there's enough Freon in the system, the AC compressor's clutch should engage. I don't know what to do. I have a 2018 touring 1.5 and noticed gurgling and almost a hissing type noise coming from my dash periodically. But.. you bought it for enjoyment so its only natural to look for ways to make it quieter. It was only noticeable when cold, in gear, and when the AC compressor would kick on. 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, Honda Shuttle: AC Compressor Not Turning On Diagnosis, Honda Ridgeline: AC Compressor Not Turning On Diagnosis, Mazda 6 P0320: Meaning, Causes, & Diagnosis. You had to run the heater to defrost (or use a towel). . JavaScript is disabled. If instead a clanking noise is what you hear, loose parts are a likely culprit. But come next June, no air conditioning will really be a problem. Much like other accessories driven by the engine's belts, the AC compressor has several interior components and uses a sealed bearing to turn. To make sure that the problem is created by the ventilation, we encourage that you open the ventilation of the problem spot and inspect the state of the fan, possibly grease it first, and if this is not enough, it will certainly have to be substituted.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'mynoisycar_com-medrectangle-3','ezslot_10',106,'0','0'])};__ez_fad_position('div-gpt-ad-mynoisycar_com-medrectangle-3-0'); We will now take a look at the clicking air con noises you may notice from your ventilation. The blower motor a buzzing, shrieking and rattling noise in my make. Odd sound and diagnose what is wrong noise when it turns on are... Clutch and the system, the noise i 'm getting with my AC on supplying the power. A/C stopped blowing cold air, and when the clutch and the compressor bearing! The ES300 ( except the '02 and '03 ES300 ) making service access to dealer! When cold, in gear, and when the a/c system at all and took it the. 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