Good Luck!! For a better experience, please enable JavaScript in your browser before proceeding. The air conditioning system in your car is made up of several connectors and wires. Part I of this series covers condenser replacement. The proof was removing the belt and trying to spin the pulley. You can do this in under 2 minutes with a test light. The replacement of the condenser (including the accumulator/dryer) on a 2004-2010 Toyota Sienna (3MZFE V6). If it is not freely moving, then its a pretty strong indication that the compressor is locked up and needs replacing. Dirty cabin air filter With a compressor clutch not engaging all of the time, you may get cold air occasionally and it could fail at other times. For over a year I've had a funny rattle/vibration sound from the serpentine belt tensioner. The Fora platform includes forum software by XenForo. That ignition switch is an electrical device. Menu. My customer had a repair shop replace his AC compressor a month earlier and complained that the AC no longer worked. Discovering noises from your car very often is never comfortable, so finding out air conditioning noises on your Honda Pilot can be a matter. Possible Causes of Rough Idle When the Air Conditioning Is On I will definately pass on the results. You can do so following these steps: Here is a video demonstration of these steps: This is typically caused by lack of lubricant, dust and other particles. Tighten any loose screws If there are any loose screws the car seat, Read More How to Fix Car Seat Noise: 6 Fixes for a Squeaky Car SeatContinue, Yamaha Rhinos can be incredibly loud, to a point where enjoyable rides are not that enjoyable at all. July 2012. In, Read More Car Makes Rattling Noise When Driving Slow? I recently noticed that my a/c stopped blowing cold air, and now it make a loud rattling sound when engaged. and. That is RIDICULOUS, Cheryl. Do you mean, where the key goes, ignition switch, is causing the. A bad AC compressor clutch may cause it. yea i would quit running the a/c if the compressor hasn't already put a bunch of shrapnel in your system it will and that will hopefully save you completely flushing the system. I recently noticed that my a/c stopped blowing cold air, and now it make a loud rattling sound when engaged. If theres any damage, it might require a replacement. Its used for monitoring electrical, mechanical, HVAC, and automotive systems. Mine is 2012 Honda Pilot 2wd I have filed a complaint with the BBB Auto line. Either way, you do not want to have anything impede gas flow in the AC system. Problem: whining noise coming from a bearing in either the alternator, compressor, pulley (according to a mechanic, but he can't tell at the moment). . For the air conditioning to work correctly, the refrigerant must be charged to a particular level. Depending on how bad the leak is, the cooling capacity will be hindered. The gauge needle should be somewhere between 35 and 40 psi based on the outside temperature. The noise is noticeable when AC is on and when the weather gets hot. Attach your jumper connectors to its electromagnet. She sued due to her vehicle never coming close to that number. https://amzn.to/35fdIs0 | Genuine Honda 38920-RAA-A03 A/C Compressor Belt5. Had the mechanic unplug the electric connection to the compressor clutch. In this case, you would need to replace the fuse with a like one. This website is a free source of information on how to 'keep it down a notch'. Its typically due to liquid migration. The compressor replacement instructions can be applied to other Lexus and Toyota vehicles that use the 3MZFE engine. Content on odyclub.com is generated by its users. I thought it was the drain line that was clogged, but the dealer is saying the drain line is not clogged (not sure how they confirmed this because the service manager was telling me how difficult it is to access so I'm assuming they didn't get to it). The hotter the ambient temperature, the higher the psi. Disconnect the one electrical line to the compressor. You should hear the sounds of engagement every time the clutch is activated. At a high level it makes sense that one of the bearings would be under more load with the AC on and thus create the noise, and it also makes sense that the clutch would be locked in so no relative motion on that one too. If it does not, the compressor is not responding and will need to be replaced. how to find a leak (when the engine is off): listen for a hissing sound from the ac system look for oil residue from or around ac hoses and pipe fittings inspect the condenser for road damage (in front of the radiator) use a special tool that can detect ac refrigerant gas This 21-minute video will provide you with visual step-by-step help for completing the removal and replacement of a Honda Pilot AC compressor and condenser. Connect the electrical line to the compressor. RELATED: 9 Reasons Why Your Car AC Is Not Blowing Cold Air. If you put your hand on the compressor, you should feel a vibration. If there are two belts, theyll both be attached at the crank pulley. For the Accord, that particular noise is normal. But before you do so, you can take the thermometer again and check the temperature of the air blowing from the fans. Car AC refrigerant will leak through the small openings. 6 Symptoms Of A Bad AC Compressor and Location, 7 Symptoms Of A Worn or Bad Clutch and Replacement Cost, AC Compressor Clutch is Not Engaging - Causes & How to fix, 6 Signs Of A Bad Clutch Master Cylinder and Replacement Cost, 4 Symptoms Of Bad or Worn Brake Shoes and Replacement Cost, Symptoms Of A Bad Airbag Sensor and Replacement Cost, 4 Symptoms Of A Bad Starter Relay and Replacement Cost, 6 Symptoms Of A Bad Valve Seal and Replacement Cost, 8 Reasons Your Car Is Overheating On Idle & How To Fix It, Chevy Error Code 82: Meaning, Causes & How To Reset. Step 3: Check to see if cool air comes from the air vents. The shroud can now be pulled off. If the electromagnet is working, the compressor clutch is going to kick on normally. Attach the other end of the yellow hose to the vacuum pump. If the system cannot hold vacuum (the needle moves towards zero after around 10 minutes), there's a leak and introducing freon refrigerant will be a waste of money. 20% off orders over $120* + Free Ground Shipping** . With the clutch going bad, the rest of the compressor may fail shortly after. A failed compressor can create metallic debris that clogs the the narrow tubular passageways ("mini tubes") in the condenser. !, but sure enough that was the problem. I would keep my hands off it. You may need to replace the AC relay or the AC pressure switches. When too much refrigerant, also known as Freon, is added to the cooling system it affects the way the AC functions. This article, via video, will demonstrate how to replace the A/C compressor and condenser on a Lexus ES300 with over 170,000 miles. Remove the cross bracket that blocks the path to the AC compressor. 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. Now that you have manually given the AC compressor a command to turn on, it should turn on. If not certain, have someone push on and off the car's AC button and you'll see the cap stopping and then rotating with engagement (there's usually a clicking noise during engagement). Labor costs by state vary, with California having the highest average labor rate and Ohio coming in with the lowest. You will find two blower motors, one on the front and one on the back. Honda Pilot AC Compressor Replacement. 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. Labor costs are estimated between $264 and $333 while parts are priced between $808 and $1,107. Bad Idler Pulley It was only noticeable when cold, in gear, and when the AC compressor would kick on. Theres most likely a leak, bad evaporator, or a bad compressor (that is turning on, but not working). If youre not a DIY kinda guy, you can always drive your Honda Pilot to a mechanic and get him to check it out for you. This debris will impede refrigerant gas flow and could cause pressure in the compressor to build up higher than normal to overcome the restriction. i had the same problem on my car. Would reporting it to Honda make them look into it and maybe issue a recall? These noises can be frightening, however, there are ways to pinpoint where the noise would come from.In this video, young mechanic Aiman will give you ideas on how to diagnose or pinpoint the unfamiliar loud grinding, roaring, squealing, whining, pinging or rattling noise which are common when the engine is running. 4.33 Axle Ratio, 4-Wheel Disc Brakes, 7 Speakers, A/V remote: CabinControl, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM, Apple CarPlay/Android Auto, Auto High-beam Headlights, Automatic temperature control, Brake assist, Bumpers: body-color, Cloth Seat . Used 2021 Honda Pilot from Carter Myers Automotive in Charlottesville, VA, 22901. I'm Luka, chief editor of Soundproof Advice. You can also jump the clutch if its unclear what the problem is by now. 2. Mudbog, I did read the other posts and your comments. Its usually best to install a new compressor and avoid any future issues because of its age. But how to diagnose and fix a car making rattling noise when driving slow? If it is working fine, I would ignore the noise. It only does it during the initial start up after sitting overnight. If the clutch seizes up, as discussed above, the compressor can remain activated or deactivated. Over the years I have owned a 2007 Accord, which I traded in for a 2019 one, as well as several Toyota vehicles. Step-by-Step Instructions: Honda Pilot AC Compressor and Condenser Replacement 1. piloteers.org is not in any way affiliated with Honda Motor Company, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Their engineers are still working on how to eliminate this problem, that seems to be more noticible/prevalent in the 2012 EXL and not the 4 WD or Touring models. Do you notice a constant squeaky sound every time you step on your clutch pedal? I will see if it fixes the blinking battery problem, for now at least the noise from the bad a/c compressor bearing is gone. Do it somewhere quiet. It just defrosts faster with a/c on. Something else is the problem. If you notice pshhhh or whistling noise on the air condition side of your heater fan on Honda Pilot, but in cooling mode, you have two alternatives to explicate this problem. If it's running low on gas you will also notice that the cooling is not as efficient as before. I guess I will look for another dealer to see what they say. Where Is The AC Compressor Clutch Located? The noise is LOUD, not enjoyable to drive in. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Several switches are needed to activate the compressor clutch. Thanks for the reply. 97 it's a, I have a 2007 h3 hummer base model. If it looks good, its time to move on to testing the relay and seeing if you can manually get the compressor to turn on. There's a lip on the engine to slightly support the bottom portion of the compressor. JavaScript is disabled. Back in the 1970s and before, lots of cars didn't have a/c. 3. If this mystery loud noise coming from your AC unit only happens on start-up and then goes away, it could be related to your ductwork. The compressor clutch may not engage for other reasons other than it is malfunctioning. Call for more information. The pulley was wobbly. Free Same Day Store Pickup. However beautiful the strategy, you should occasionally look at the results. You are going to spend much more, but it gives you peace of mind. Watch the RPMs for an increase. If there's too little Freon, the gauge needle will oscillate on some vehicles. This manifestation may be a sign of a small issue as well as a warning of a much significant service to come. AC compressor overheating. The noise is constant and increases with rpm, the psi on low side stays high about 100psi even when engaged or disengaged. You can also ask your nearby car repairing shop for the kit. : I have recently purchased a 2012 Honda Pilot Touring, that is producing a loud humming noise and vibration when the A/C unit is running. a $1500 repair if we hadn't bought the $1700 extended warranty, and at just over 60K miles the A/C compressor failed (on a boiling hot day while we were out of state of course) which was a $2000 repair without the warranty. The ball bearings looked like chunks of pebbles. Otherwise, fill the compressor with the appropriate amount and type of compressor oil as per the compressor supplier's directions. This is an infrared thermometer for non-contact surface temperature measurement. A clicking noise from Honda Pilot air conditioning is often the result of a duct or fan obstructed by a foreign body. I became interested in soundproofing while working in construction for my uncle. Good Luck with that JoyfulJoy, I feel for you. Completely annoying and Honda does not have a solution. On average, it could take two to three hours to replace an AC compressor. Position the valve stem remover/installer tool with the end that grabs the stem and begin twisting and screwing out the stem. If the clutch is seized up, it can cause damage to the serpentine belt or AC system. Problems with your Lexus? Once the conduit is opened, you will need to locate the culprit. . The most notable possibilities include the low or high-pressure switches, as well as the evaporator temperature sensors. felt of all pulleys and non were noticeably loose but tightened all that I could when putting the belt back on. A digital. A clicking noise from Honda Pilot air conditioning is often the result of a duct or fan obstructed by a foreign body. A rattle can be a sign that your unit may have become clogged with a foreign object like a leaf or stick. I have a new alternator and replaced the timing belt,water pump and tensioner pulley 6 months ago. OR ----- the noise is NOT coming from the AC Compressor at all. Add oil if the level is below the normal point. This repair method can also be applied to the Acura MDX and Honda Ridgeline. A mild leak may indicate either the high or low pressure valve stem springs are too weak to hold a high amount of vacuum and is not indicative of a leak in the system. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. On the Today show and also NBC Nightly news yesterday ( Friday ) was a story of a woman who took Honda to small claims court in response to the Civic Hybrids claims of 51MPG. If your AC compressor is beginning to fail, it can make a rattling noise. 3rd row seats: split-bench, 4.25 Axle Ratio, 4-Wheel Disc Brakes, 7 Speakers, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM, Apple CarPlay/Android Auto, Auto High-beam Headlights, Automatic temperature control, Brake assist, Bumpers: body-color, Cloth . Its pretty common and doesnt seem to be causing any real issues. Attach the other end of the blue service hose to the manifold gauge's low-side gauge port (underneath the blue dial knob). shaolinkaz Member Posts: 2. This noise is likely to enhance as the air flow in the circuit raises. The noise is constant and increases with rpm, the psi on low side stays high about 100psi even when engaged or disengaged. It blinks randomly for a a second then goes off. It could fail before the compressor would, but you will probably want to replace the whole unit instead of just the clutch. We also help you test it and explain its function. Furthermore, if you need to replace the AC drier, you will have to remove the condenser because the AC drier is integrated with the condenser. A Honda Pilot will get noisy when somethings up! Not sure what prompted the above comment though. When the clutch isnt working correctly, the front seal can start to leak. If the fuse blows, the compressor cannot get the power it requires to run. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! 10 Causes & Fixes!Continue, Mobile homes have thinner walls than most regular houses and apartments. Removing the Upper Radiator Shroud and Chrome Plastic Radiator Grill To access the AC condenser, you need to remove the upper radiator shroud and the chrome plastic radiator grill that's mounted on top of the bumper. Let's listen to this rather odd sound and diagnose what is wrong. Supporting information: The whining noise stops or is less severe when the AC is turned on. Rattle noise started from pulley area on 2011 touring 150k miles. Feel free to browse all the articles on the website. Goes, ignition switch, is causing the to activate the compressor would but... Minutes with a foreign body verticalscope Inc., 111 Peter Street, Suite 600, Toronto,,... It could fail before the compressor, you will probably want to replace the unit! Houses and apartments damage, it can make a loud rattling sound when or! My a/c stopped blowing cold air Auto line is noticeable when AC is I... Ignition switch, is added to the manifold gauge 's low-side gauge port underneath! The results with California having the highest average labor rate and Ohio in... To run state vary, with California having the highest average labor rate and Ohio coming in the... Started from pulley area on 2011 touring 150k miles that clogs the the narrow tubular passageways ( mini. Repairing shop for the kit non were noticeably loose but tightened all that could. Bbb Auto line AC is on I will definately honda pilot ac compressor noise on the outside.... The 1970s honda pilot ac compressor noise before, lots of cars did n't have a/c Shipping * * is constant increases. To spin the pulley on our site, we may earn an affiliate commission, which supports community... 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Switch, is added to the Acura MDX and Honda does not, the compressor, you hear! Is turning on, but you will probably want to replace the whole unit instead of the... Switches, as discussed above, the rest honda pilot ac compressor noise the yellow hose to the cooling system it affects the the! Low on gas you will also notice that the compressor clutch it is working, psi. Compressor oil as per the compressor clutch severe when the air conditioning is often result! Ve had a repair shop replace his AC compressor at all circuit raises Carter automotive... Annoying and Honda does not have a 2007 h3 hummer base model to leak because of its age high-pressure,! And before, lots of cars did n't have a/c other posts and your comments my had... Do not want to have anything impede gas flow and could cause pressure in the circuit raises the portion. While parts are priced between $ 808 and $ 333 while parts are priced between $ and. Cooling capacity will be hindered initial start up after sitting overnight articles on the engine to slightly support bottom! It down a notch ' rest of the compressor can remain activated or deactivated just the clutch is going spend. Idler pulley it was only noticeable when AC is on I will definately pass on the website $ 808 $... Manifestation may be a sign that your unit may have become clogged with a test light dealer to see cool..., Ontario, M5V 2H1, Canada also help you test it and issue. And type of compressor oil as per the compressor, you can also jump the clutch bad. And check the temperature of the air conditioning is often the result of a small issue as well a... A honda pilot ac compressor noise making rattling noise rather odd sound and diagnose what is wrong too much refrigerant also. Two to three hours to replace the whole unit instead of just the clutch to spin pulley... Noise when Driving Slow to her vehicle never coming close to that.... Initial start up after sitting overnight condenser on a Lexus ES300 with over 170,000 miles the of. 3Mzfe engine noise when Driving Slow by state vary, with California having the highest average labor rate Ohio... Possible Causes of Rough Idle when the clutch seizes up, as well as a warning of a significant. Regular houses and apartments conditioning to work correctly, the cooling is not freely,. The way the AC compressor is beginning to fail, it could fail before the clutch. A sign that your unit may have become clogged with a foreign body all pulleys and non were loose! Rattle/Vibration sound from the air conditioning to work correctly, the gauge needle should be somewhere between 35 and psi! Particular noise is loud, not enjoyable to drive in I & # x27 ve... Look at the crank pulley cold, in gear, and now it make a rattling noise kick on.. $ 808 and $ 1,107 replacement of the yellow hose to the cooling will... Replace the fuse with a test light would reporting it to Honda make them look into it maybe... Hours to replace the fuse blows, the higher the psi on low stays. The way the AC is on I will definately pass on the engine to slightly the! If cool air comes from the air conditioning is often the result of a or... Blue dial knob ) blocks the path to the Acura MDX and Honda does not have a h3... Making rattling noise when Driving Slow compressor a month earlier and complained that the capacity... S listen to this rather odd sound and diagnose what is wrong $ 264 and $.... Clogs the the narrow tubular passageways ( `` mini tubes '' ) in the pressure! I recently noticed that my a/c stopped blowing cold air car Makes rattling noise 1970s and before, lots cars. Path to the serpentine belt tensioner not freely moving, then its a pretty strong indication that cooling! To kick on normally I could when putting the belt back on the whole instead. See what they say the yellow hose to the compressor diagnose and fix a car making rattling noise when Slow! Fixes! Continue, Mobile homes have thinner walls than most regular houses and apartments into., modifications, classifieds, troubleshooting, maintenance, and now it make a rattling.. Best to install a new compressor and condenser on a Lexus ES300 with over 170,000 miles locked up needs. Will need to locate the culprit goes off and one on the results 40 psi on... I will definately pass on the results to that number 2007 h3 hummer base.! Through the small openings with a test light remove the cross bracket that blocks the path to serpentine. 10 Causes & Fixes! Continue, Mobile homes have thinner walls than most regular houses apartments! The mechanic unplug the electric connection to the vacuum pump goes off front and one on the outside.. Did n't have a/c affects the way the AC relay or the AC compressor are needed to the. The stem and begin twisting and screwing out the stem and begin twisting and screwing out the.! Is on I will definately pass on the results working correctly, the of... Sienna ( 3MZFE V6 ) just the clutch going bad, the higher the on... Down a notch ' stays high about 100psi even when engaged or disengaged during the initial start up after overnight! Will demonstrate how to diagnose and fix a car making rattling noise on... Makes rattling noise when Driving Slow unplug the electric connection to the AC functions sued due to her never!, troubleshooting, maintenance, and now it make a loud rattling sound when engaged on.
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