Alternator bearings noise The noise usually indicates bad bearings inside the alternator. Once you have been able to detect that your car’s alternator bearings have gotten bad, you should drive to the nearest mechanic and get it fixed to avoid being stranded after the My car is doing the same thing after replacing the following with new parts: waterpump (Graf), tensioner and idler bearings, rebuilt alternator (with 2 bearings), new belt. 8, 2. Thanks to everyone for helping me out. It's much tighter than it should be, and something did come apart, I don't know what is plastic in there and I haven't split the alternator yet to see what I find. My bearing noise was more of a rattling sound when running and after I removed the serpentine belt and spun the pulley, it had a C6 Tech/Performance - Alternator bearing noise? - I have a 2007 C6 Z51 Vert with 16,000 miles on it. The bearings allow the alternator pulley to rotate freely and if they fail, the alternator will make a loud grinding noise. This is really frustrating. 4. Besides, at idle Pulled the old alternator from my 90 Honda Civic Wagon. Once I put the lights on or any accessorises(ac, heated seats, etc) the noise is there. Long story short I pulled the alternator. The most common signs of low fluid level in the alternator bearings are: A squealing noise: The alternator may squeal if it’s low on fluid. Hello, Does anyone know the specs for the bearings in a Alternator creating noisy sound. Signs of a blown fuse include a dead battery or a warning light on the dashboard. Removing the "load" should quiet a failing bearing, adding more "load" should increase bearing noise. The noise goes away by just taking some tension off of the belt. V. It doesn't do it once My ETorque alternator stated making a terrible noise, finally completely took a dump. 368 posts · Joined 2013 Add to quote; Only show this user #1 · Dec 25, 2015. ; Dead Battery: The wearing out of the belt can also be one possible reason why the alternator bearings make noise. This is also where the power is generated to operate lights and other electronics inside the vehicle. Any pulley going bad at 40k is terrible to say the least. An alternator bearing is a small but important component that helps keep your car’s electrical system running smoothly. I took belet off and noise gone so definately one of the two. You could also remove the belt and turn the alternator manually listening for noise also feel for wobble or end play. Examine the mounting bolts and pulleys at either end of the belt. There are needle bearings that allow the rotor to spin freely inside the stator. 0l d4d 4x4 fortuner). Understanding Alternator Bearing Noise. Can you all confirm this. Step 2. Q1. If not I 4. i get a funny noise on the pulley, alternator and tensioner areas of my e46 320i when i start it once it has cooled down. It was making a lot of noise and I'd also get a brief flickering battery light when I'd come off the My car is doing the same thing after replacing the following with new parts: waterpump (Graf), tensioner and idler bearings, rebuilt alternator (with 2 bearings), new belt. I'm hearing something at start up, definitely bearing, how long do other parts driven my the belt last? Update - mystery solved. Worn-out bearings cause very high-pitched noises. Plan to spend around $170 to $380 for replacing a bad alternator bearing. I've changed the tensioner pulleys and the belt is new but the noise is still there. Our bearings are designed to offer maximum load capacity with low noise operation, ensuring that your starter or alternator operates efficiently and quietly. If you don't have an impact gun,just use a rubber band and a belt,a big pip 2004 Mustang V6 Automatic. The first video is my son's car. Thread starter randomizered; Start date Jul 29, 2007; Currently reading: Technical Alternator bearings, tension and noise R. 6v Please advise me. This includes: New alternator bearings: $20 to $80; Labor: $150 to $300 (depending on the alternator type) Note: If the alternator housing and Conclusion. This one is more detailled and serious. Remove the belt that connects your engine’s alternator to investigate this problem. Sorry I can't be of too much help on the noise description. The term "alternator bearing" refers to the bearings used in alternators. I then pulled the water pump and it had fluid leaking from the weep port. I'll look up the numbers on the alternator tomorrow. If you ignore the noise and just continue driving, this can lead to alternator failure, so make sure to do your due diligence when it comes to under-the-hood checkups and tune-ups. The old model ADG units rattle like all h377 breaking loose, but the bearings in that area would make bearing noise if seizing. The alternator noise has gotten worse to the point where it will make noise for fifteen minutes or so after the car is cold started. I think mine failed yesterday Horrible clattering noise and burning That's interesting. This noise was not evident at the last service in February 2009. R. Our professionals are here to help make sure you find the answers you need to your questions and Another common cause of alternator whining noise is bearing failure. I had replaced the water pump 18 months ago with a rebuilt. Step 4. Don't know if the problem lies with the drive end frame bearing or pulley with clutch or brush holder assembly or rotor bearing. On the other hand, a whining noise can mean that the alternator is charging more than necessary. To fix this problem, you will need to replace the bearings. This So it seems like the alternator is still charging. My dad's had around 200k km on when the bearings started making an intermittent noise. tikw2124 Active Member. Tensioner bearing is about R45 and a 15 min job. A grinding noise typically signals a loose or worn-out bearing. If anything feels gritty or scraping a little bit, time to replace. Another Can I lubricate the alternator bearing to reduce noise? Lubricating the alternator bearing might provide a temporary reduction in noise, but it won’t solve the underlying issue. Toyota quoted 6999 for a new one. PFI Needle Bearings are a reliable and cost-effective choice for starters and alternators. If you suspect this I replaced the alternator, water pump and belt tensioner at the same time and the noise won't go away. Re: Alternator bearing / pulley Post by MK2 G60 » Wed Jul 20, 2011 7:49 pm The alt pully is supposed to lock one way and free the other. I hope you're talking about the whining, cause the clicking ended up warranting an engine swap. Does anyone know what is directly underneath the alternator, it's a part that's included in the belt pulley Most times, after the battery has been fully charged you can drive with a bad alternator bearing for about 25 miles before the battery’s stored energy becomes completely depleted. The needle bearings that allow the rotor to spin freely inside the stator can break down from dirt and heat. We also offer exceptional customer service and technical support, ensuring that you get the right The alternator bearing on my 96 cobra whines when the car is cold. That may lead to inconsistent charging from the alternator too. The old alternator definitely has some bearing noisebut not sure if it's the (only?) culprit. If needed, you can replace the belt, and this way you will be able to fix the issue of the alternator bearings making a lot of noise. Probably a worn clutch pulley, and maybe some worn bearings inside the alternator. I had this possible bearing problem in my alternator and wasn't sure what to do. 5V. Preventing alternator bearing noise is essential to keep your car running well and avoid problems. Diagnosis: To determine the cause, employ a mechanic’s stethoscope or carefully listen to the alternator while the engine is running. Has anyone else had this problem Check the alternator bearings. I've been able to find replacement bearings from the info on the bearing case. I stupidly thought it was the power steering pump, so I spent a day replacing that. Interestingly the 3 bolts on the power steering pulley were very loose, pulley on the power steering pump showed no damage. When dirt and heat accumulate around the alternator, it causes the bearings to fail and make a noise. Jul 29, 2007 #1 My alternator (at least I think it is, pray to god its not the 1997 - 2003 F150 - Alternator Bearing Noise - I have this growing noise under the hood. The main belt that turns the alternator pulley shouldn’t make a significant amount of noise, and of course, it shouldn’t break. 82 = total repair bill of $752. Thats what I do when diagnosing bearing noises which takes the guess work of trying to just listen for noises is certain areas. The bearings work is to rotate the rotor that produces electrical power in a vehicle. The second video is one I found on youtube. Using my special Ford diagnostic stethoscope (aka the jack handle), I have narrowed it down to the bearings in the alternator. First, park your vehicle in a safe and well-ventilated area. It was making a lot of noise and I'd also get a brief flickering battery light when I'd come off the So just be certain before you do the alternator. The closer you get to the alternator, the louder the noise will become (if the bearings have failed). I won't have a chance to do so My alternator bearing has been making noise (a scratching sound) for the last two months on cold start. I tried listening with the handle of a screwdriver pressed against my ear while the blace tip was held Bimmerforums is the preferred online BMW Forum and community for BMW owners. With the metal rod adapter you can place it on the alternator and listen for grinding. These strange noises often occur when the belt that turns the alternator One is a whining, which is the dying alternator (and the reason I posted the video). After some deep investigation we found that the alternator had bad bearings. I Pulled the fan off and started the truck and it was still making the noise. How I quickly and effectively pinpoint a noisy bearing, pulley, alternator, water pump,ac compressor, belt tensioner or idler pulley on any vehicle. Our bearings are designed to offer maximum load capacity with low noise operation, ensuring 2007 jku alternator bearing noise specifications. The idler pulley is cheap really cheap. Take out the alternator from the vehicle using appropriate tools. Joined Aug 24, 2012 Messages 27 Location Fort Collins, Colorado Tractor John Deere 750. The noise noise does not get louder when turning so I've ruled out it being the power steering. My 2008 Nissan Navara D40 YD25 alternator started making a cooked bearing noise, I stripped down the alternator and found the rear bearing was the culprit, a Posted: Thu Jan 04, 2018 5:39 pm Post subject: Re: Alternator Noise Video - Bearing or? FWIW, my van was making the exact same noise. 00, Tax $31. I know mechanical things can fail at any point, but I am Bearings are the most common failure in an alternator. As this is my daily driver, I don't have a large ability to start picking things apart. It doesn't have a tensioner. Bad Alternator Bearing Symptoms. Double checked by taking the belt off. My suspicion was confirmed as the tech diagnosed source of rattle with his stethoscope to be alternator bearings. Hi all The alternator bearings are whining in my trokkie (3. I started the car up this morning and let it run in the garage with the hood up and I heard a low bearing squeal from the alternator, after 5 minuets of running I still heard the noise. In that case, you have to check the bearings. The current alternator is the original alternator from the factory. I have A grinding noise coming from your alternator is usually a sign that the bearings inside the alternator are worn out. This time I got a new life time water pump. I`ve done an exhaustive search online so can somebody please tell me the size of the bearings. 0 & SOHC 4. Yours sounds like a knocking, like metal tapping on something. Ran it Is it possible to damage the bearing of water pump pulley or alternator pulley by over tightening the serpentine belt? The belt on my alternator/water pump is Bando 4PK 890. This noise has been present since I bought the car a month ago. It seems like the noise comes from inside the water pump after alternator bearing even lot makes new noise. When i plug it back in, the noise starts immediately for 1/2 a second, then stops for 3 to 5 seconds before starting again. Well after replacing it, the noise was still there. I do not recall any great drama. Alternator bearing noise can be a frustrating issue for any vehicle owner. This abnormal noise has happened a few times over the last few months and I guessed it was the belting slipping as the noise went away when I While you are under the hood pull the main serpentine belt and check the bearing on the idler pulley when the bearing gets worn it whistles! The noise in your video is the commutator segments going across the alternator brushes. 9, 4. J. Whining, Screeching, or Grinding Noises. I don't remember the fix being too expensive, relatively speaking maybe a couple hundred dollars? I had the fix done at a dealer. If the Noise originates from the alternator, it indicates a bearing problem. Hopefully Barkles (original poster) will respond as mine is making exact same noise. When an alternator is making noise, such as a whining or grinding sound, it can often indicate a mechanical failure. How to fix alternator bearing noise? To fix alternator bearing noise, follow these steps: 1. To rule out the pulley bearings, take off you belts and rotate the pulleys by hand. Open the hood of the car. I opened it and the bearings seem to be aging so I`m planning on changing them. Choose PFI Needle Bearings for alternator and starters. The bearing on the belt tensioner was noticeably worn. Thank you. Certainly easier than removing input shaft pilot bearings in Toyotas. 0 color white :) Tomorrow at work I'll take the serpentine belt off and "feel" all the pulleys and bearings and see if I can determine what's running funny. It was louder on the alternator with a stethoscope than it was on the water pump itself. Usually an alternator with bearings failure makes a loud grinding noise. I Have not looked into whether the belt tensioner is the noise maker or not. 610 posts · Joined 2006 Add to quote; Only show this user #1 · Jul 30, 2014. I would have left it as is, but I'm concerned that a bearing making noise is an unhappy bearing that may leave me stranded. Regular Maintenance Just returned from the dealership. They can break down from excessive dirt and heat. The work is simple,no fancy tools required. Gets a lot quiter by 2500 rpm or after briefly An alternator on a vehicle keeps the battery charged while it is parked and while it is being driven. A growling or whining noise from under your car’s hood may indicate an alternator issue or problems with the drive belt. Let’s see just why that happens, and how we can fix it! Why Are My Alternator Bearings Squeaky? Alternator bearings enable the A malfunctioning alternator bearing might also prevent your car from starting or cause it to stall while you’re driving. Fluctuates with RPM. Jump to Latest 5. The noise appears to emanate from the alternator. OP. If this does not happen the belt slips/jumps and you get that belt noise. Noise from bad alternator The video that you posted CKVPatriot was so helpful. At the end of the video I give it 3 good spins and you can really 2. Hard to diagnose over the internet. Hello, Does anyone know the specs for the bearings in a 2007 JKU Alternator? When alternator bearings begin to wear or show signs of failure, several problems can occur, including: 1. On my way home from work I noticed a humm or a wrrrrr type noise. 1983 - 2012 Ranger & B-Series - Noisy alternator bearings - Some information regarding possible noisy bearings in an alternator. A worn-out alternator bearing can cause many problems, including an unusual or loud grinding noise, either inside the engine or outside. My concern is when I called Nissan to check on a Gotta love new truck noises. 2 base model. Use a sound-detecting tool to pinpoint the exact location of the noise within the My Toyota Echo/Vitz/Platz/Yaris alternator is making a chirping sound at idle. To learn more about About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright A weird noise should also alert you to other signs of car failure. 5. My alternator is a MESS, a lot of noise comes from the alternator (not the alternator area, THE Alternator bearing failure. And good Quick diagnosis trick on how to isolate alternator noise / whine on a 2. I have pulled the belt off and diagnosed as bad alternator bearings. I suspect this might be the bearings of the alternator? After the engine was warmed up a bit i didn't hear it anymore. I was past my truck’s warranty but found this federal warranty One of the most common failures is bearing failure. Hi guys I got the car on 115000km with FSH at Barons. Your car contains an array of electronics, all of which rely on charging system voltage. This guide will help you understand the causes, diagnose the problem, and explore repair options to address this annoying sound effectively. . 45. Completely normal. I have also recently noticed noise from my alternator and I did a rebuild including new bearings. It goes away once the car heats up. Here are some simple ways to stop issues like alternator bearing noise, bad alternator bearing sound, and alternator whine: 1. is the tensioner pulley not done with the 105000km cambelt change, or is it 90000km? 2014 VW Golf VII GTI DSG 2009 Ford Bantam 1. Joined Feb 16, 2005 Messages 5,983 Points 988. Sort by Oldest I've got 85k mi and think my alternator bearings are going bad already! Just started over the last few days. If the belt is squealing, it may not be tight enough to keep consistent contact with the pulley. VitorBart Discussion starter. Joined Aug 22, 2017 Never check the alternator bearings while the engine is running. rmroper Member. Alan1005 Discussion starter. Dec I suspected the alternator bearing on my 2001 Nissan Micra was making a lot of noise as it was starting to fail, so I loosened the belt tension to see how it Reasons for Hindrance: The reasons for alternator bearing hindrances include dirt and heat accumulation around the alternator, resulting in a grinding noise. Much less time at night with the lights on. When the bearings fail, the rotor will not spin efficiently and can eventually seize. Over time, the bearings can wear down, leading to increased friction and the resulting grinding noise. Alternator Bearing Question **Noise Solved** Thread starter nick0789; While you are under the hood pull the main serpentine belt and check the bearing on the idler pulley when the bearing gets worn it whistles! The noise in your video is the commutator segments going across the alternator brushes. Pulley Alignment I have never had a bearing fail in an alternator, but I've had plenty of alternators that stop charging dur to worn brushes or failed regulator. Then you'll need a new or rebuilt alternator. Did you isolate the noise to the rear of the alternator? I'm not sure if mine's making the noise only at idle - when I rev the throttle the other engine noises may drown out the sound. Once you confirm that the bearings are at fault, you can apply one or more of the following solutions: Lubricate the 3. 1K views 5 replies 4 participants last post by Alan1005 Aug 21, 2021. The bearings are inside the alternator and are what the rotor rotates on to create the power. So your testing indicates bearing problem. Squeaky Bearings. Electrical Issues. 5 posts · Joined 2024 Add to quote; Only show this user #1 · Sep 23, 2024. It seems like the noise comes from inside the water pump - alternator replaced (preventative / it was free to me) - no issues observed with tensioners or belts (all GM parts, installed new back in April) - no other pulleys made noise or otherwise brought up concern - slight movement of the steering wheel eliminates the noise, until I let go of the steering wheel The alternator shaft bearing alerts of mechanical failure by making a howling or grinding noise, but other symptoms may appear, including: Battery warning light illumination; Engine will not start; Engine stalling or hesitation; Power steering and A/C failure; Continued use after the alternator makes these noises generally result in loss of the . Replacing the bearings in a good working alternator means you probably have a good working alternator for another 250,000 miles if you replace the brushes/voltage regulator. I had real bad noise. once noise starts it does not stop. its an irritating wuuuuuuuuuhuuuuuuu sound but it goes away after about 7mins on idle. The drive belt could be loose, misaligned Worn-out bearings or misaligned alternator components are the most frequent causes of alternator-bearing noise. e. N. Fan clutch is OK. Replace it! A few days ago I had noticed a possibly spun bearing noise eminating from the alternator area in the Ranger. All the dashboard lights came on, inside light dimmed, and my car died. Decided to get it changed out before it failed - most likely at the most inconvenient time You might like to do the same. If you establish it's not the tensioner idler, then alternator becomes likely. OP . Post by Little D » Mon Apr 21, 2014 6:29 pm. I didn't notice the alternator pulley wobbling until I played that video back. Remove the drive belts connected to the alternator. To fix alternator bearing noise, turn the engine off, raise the hood, and remove the alternator belt. ; Dead Battery: I had real bad noise. The truck is a 2000 4. THIS IS T I have replace alternator bearings on other VWs. Reactions: nick0789. Range. But if that noise is indeed coming from the alternator, something is amiss. Not sure if that has anything to do with the noise. Norbert77 Discussion starter. The alternator will still be spinning and not making noise, but once I put full tension back on, there she moans. I’m thinking it could be the alternator bearing going as videos on youtube have similar noise. These noises can indicate that your bearings within your alternator are dry and require lubrication. When a clicking sound comes directly from your alternator, that means its bearings are worn out or damaged. The number on the alternator I've got my 07 X3 with what I think is a failing alternator bearing, or at least that's what the noise makes me think combined with the wobble in the pulley. Back on topic, just go buy a stethoscope an automotive one will have the proper adapters. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. Locate the fan belt and remove it. When they stop charging, you have about an hour (in the daylight) to drive until the battery discharges and kills the engine. The alternator on the other hand, I'm not 100% sure if you have to buy a whole new alternator, or if you can just replace the pulley / bearings. Hi, just put car into my local indy for a noise from turbo area. Drove with them for 10k km before replacing them These are the common symptoms of Bad Alternator Bearing: Electrical Components stop Working: For instance, cars with power locks and windows stop working because of lousy alternator bearings. However the alternator is original (235k). Overheating: If your alternator becomes too hot during operation, it may be due to your excessive friction in your bearings. If necessary, you can replace the bearing or buy a new tensioner idler w/ bearing in place. It still sometimes makes more noise than one might expect. Bad alternator bearings make a squeaky and grinding noise. 63, Labor $266. The noise isn't there constantly Update - mystery solved. It's a Hello everyone I’ve found out my alternator is making a sort of hum or whining noise and I’m suspecting it could be the bearings making the noise? I figure it’s better to try changing out the little things before buying a whole new one, but the problem is I can’t find a site that sells bearings for my car alternator, I checked autozone and o Riley but couldn’t find a bearing that fit How to Fix Noisy Alternator Bearings? How Much Does an Alternator Bearing Replacement Cost? Here’s a breakdown of the alternator bearing replacement cost: A. I’m posting a YouTube link. I think When I unplug the 3 wire alternator plug the noise stops. If you notice any signs of a faulty alternator bearing, such as unusual noises or electrical issues, it’s important to address the issue promptly to avoid further damage to the alternator and other components. Had it replaced by the dealership ON FEDERAL EMISSIONS WARRANTY. Hi guys & gals has anyone else suffered an alternator bearing failure. Capitol Toyota had one and now, it's in my truck! We arrived at 1:30pm and we're on our way with a new alternator bearing noise; alternator, tensioner, water pump life? Jump to Latest 14K views 9 replies 10 participants last post by floridabrahmer Mar 31, 2016. Ensures optimal performance: Resolving the issue promptly restores the alternator’s proper functionality, allowing it to provide the necessary power for the electrical Here’s how to troubleshoot and address alternator noise issues. Replacement is the best long-term solution. I just need to establish which is exactly the culprit without buying one item and its the next. I have driven around 40 mins on the highway and thus the engine was warmed up nicely. It`s a BOSCH 120 A. Alternator bearings need special lubricant or grease to keep them cool and lubricated. These bearings allow the alternator’s rotor to spin smoothly inside its housing. Push up and down Luckily enough it was just an alternator bearing, rough as guts. I had the alternator bearings replaced on my K75 probably 5 or 6 years ago. Start car w/o alternator belt and confirm noise has disappeared. Noisy at startup about 1500 rpm; noise seems to be coming from alternator rather than idler/tensioner pulleys or p/s. Lubricating the bearing will temporarily aid in noise reduction but won’t solve the underlying problem. Sort by Oldest first Oldest first Newest first Most reactions. Jump to Latest 655 views 8 replies 3 participants last post by freeb Sep 25, 2024. Turn the alternator gently by hand. The alternator usually starts making this noise after engine warms up for 10 to 15 minutes. You'll be able to hear the squealing/squeaking easily. Jump to Latest 11K views 26 replies 11 participants last post by Tomvw Jun 5, 2015. It charges just fine at around 14v. A new replacement assembly that includes the damper, tensioner spring and wheel was $170 shipped. New OEM alternator installed and out the door in under 2 hours total time from drive up to drive out. 3 Rocam 2008 CRG Road Rebel Shifter with TM Racing 125cc 2 Stroke 6 The whirring sound from the engine compartment is gone! It was the tensioner-wheel bearing. 2. Bad Alternator An alternator fuse is designed to protect the alternator from excess amperage. As such, a bad alternator can cause a myriad of Mine was going something like "knockie, knockie, dink, dink" But the best way to know if the bearings are shot is to just remove the belt and spin the alternator by hand. Check The OP may be correct, the bearing for the ADG could be the culprit. Thanks Of all the things I've done to a car, opening up an alternator isn't one of them. (Tension is applied by moving the alternator and tightening the nut on its If the alternator bearing noise are the only problem, then you can save a boatload by replacing bearings yourself, as I described in an earlier section. Clicking in car might mean a lot of things: engine failure, lack of oil and lubrication, failing battery, and so much more – which all have big roles in a car’s performance and control. It was as if you had recorded what I was hearing from my 2008 Jeep Pat. The bearings support the alternator's rotor, and as they wear, they create friction and noise, often a characteristic grinding or whining sound. It's the alternator. Potential Cause: The alternator’s whining or grinding Noise usually suggests that the bearings have worn out. If you don't have an impact gun,just use a rubber band and a belt,a big pip No. Save Share Reply Quote Like. I did clean up throughly the alternator pulley and compressor pulley before i put on the serpentine belt. after alternator bearing even lot makes new noise. I busted out an old piece of garden hose and listened to various components - loudest noise/vibration was coming from the alternator. You will find your bearings between the stator and the rotor. Today I pulled my alternator belt off and ran my van for a few seconds. If I was a doggie my ears would have pointed upward when I heard the noise in your video. If they’re not lubricated enough, the bearings may start to make noise due to friction. Once in a while the noise starts 2 Technical Alternator bearings, tension and noise. 181 posts · Joined 2016 Add to quote; Only show this user #1 · Aug 19, 2021. When the alternator bearing begins to wear down, it often manifests as a persistent squeaking or grinding noise. Any PFI Needle Bearings are a reliable and cost-effective choice for starters and alternators. You can find an alternator rebuild kit for about $25-$35, which will A bad alternator bearing is one of many problems that can lead to expensive and inconvenient car issues. It's still putting out 14. If they have grown old, they might cause noise in the alternator. We're traveling this weekend, and I thought we should have it looked at while we were in Salem, OR Sure enough, the alternator bearing was giving up the ghost. Can alternator bearings noise lead to a dead battery? Yes, a faulty alternator bearing can lead to charging issues The second option involves getting a piece of tubing (roughly 12 inches) and placing it on the hose next to the alternator. randomizered ' Parked in the garage Written a guide. I have not watched your video clip on Youtube but my car has the same noise problem you described for your car. Inspect the bearing – if it is showing signs of wear and is producing a sound when you rotate the alternator, then the bearing needs to be replaced. You’re already ahead of the curve by looking up some diagnoses now before waiting for something bigger to happen. Do I replace anything else besides the alternator and belt? i. It's in Where did you bought the alternator ? I was thinking about replacing the alternator in my 06 Altima Alternator The battery light would come on every now and then and I have a noise coming from that area of the engine. FYI I couldn't detect anything wrong with the bearing unless the Avoids sudden breakdowns: Ignoring alternator bearing noise can lead to sudden alternator failure, leaving you stranded and potentially causing further damage to your vehicle’s electrical system. The simplest method to fix a squeaky alternator bearing involves lubrication. If they feel rough and coarse to the touch, you can either replace them or replace the entire alternator, which is easier, faster, and cheaper. An alternator is an electromechanical device that generates Hi DDL if you alternator was still charging when you replaced it with another unit then I would replace bearings and brushes but don’t put cheap bearings into it try get OEM the rear bearing is a NTN sc8A37lH1. I'd Defective Alternator Bearings. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright When I unplug the 3 wire alternator plug the noise stops. There are two points to this post. Over last few weeks, have a weird rubbing noise around the alt and water pump area. They are small metal discs whose job is to spin the rotor and hold the stator in one position. Thread Starter #5 . I sprayed WD40 into the backside of the pulley and the noise goes away instantly, but comes back within a day. They are cheap. Bearing noise. Joined Aug 17, 2006 Messages 176 Location Norfolk Car 2002, W203 C Class 270 CDI Avantgarde Tiptronic, COMMAND, Phone . F. Noise: A grinding or clicking noise coming from the alternator area can indicate faulty bearings . Will take off the AC belt tonight to see if it could possibly be the idler pulley (noise definitely seems to be coming from the left side, so I have ignored the AC compressor and pulley thus far). I suspect it's the 2007 jku alternator bearing noise specifications. 3. A whining or grinding sound coming from your alternator while your car is in operation is a bad sign. And after checked out by a mechanic, they've determined the noise is from alternator idle pulley bearing. Honda crv 2. We also offer exceptional customer Silencing a Noisy Alternator Bearing: Step-by-Step Guide • Noisy Alternator Fix • Learn how to quiet a noisy alternator bearing with this simple step-by-step To me that sounds like either your alternator pulley bearing, or your idler pulley bearing. I can get the rear bearing to make noise spinning it by hand. In most cases, bearing failure is caused by a lack of lubrication. Disconnect the negative terminal of the battery to ensure safety. The number on the alternator Worn bearings within the alternator are a common cause of noisy operation. Thank you for the information on the hydraulic screen, I will look into it, might be a little while as we just got 2+ft of snow in northern Colorado and the I just replaced the fan clutch on my 2006 Ram 1500, because it was making a lot of noise like it was stuck on. Identify the Type of Noise: Whining or Grinding: This often indicates worn-out bearings inside the alternator. I ordered a new OEM alternator (gulp, that is pricey). My alternator is a MESS, a lot of noise comes from the alternator (not the alternator area, THE To easily detect if the idler pulley is why the new serpentine belt squeals on startup, you have to get a stethoscope to diagnose where the squealing noise comes from. These components may need to be changed if they seem flimsy or worn out. Many times, the Squeaking, squealing, or grinding noises coming from the alternator pulley due to a failed bearing; An engine that can be jump-started but slowly dies as battery voltage lessens s stethoscope or even simply a piece of fuel hose can help you pinpoint the source of any engine or alternator noise; Look for oil leaks near the alternator that One of the most common failures is bearing failure. Just wondering if anyone else has encountered this. Kuld my alternator be bust? Save Share Reply Quote Like. Has anyone ever heard of this A few days ago I had noticed a possibly spun bearing noise eminating from the alternator area in the Ranger. Neglecting them will only put you and your I'm just wondering if anyone with E46 ever had their alternator idle pulley bearing fixed? My car is a 2000 model, and for the past month the the car has been making VERY LOUD grinding noise when the car is cold in the morning. The bearings and the belt work as a team, so if one of them malfunctions, the entire set-up malfunctions. Squealing or Chirping: Usually a sign of belt problems. 6, 2. Perhaps you do have a bad bearing but don't miss Circlotron's comment above regarding a little extra noise during a recharge cycle. Alternator Noise. How To Prevent The Alternator Bearing Noise. The OP should state his model year and #7 – The Alternator Belt Is Making Noise Or Is Broken. 0 V6 - alternator bearing noise - I have an alternator bearing that is making noise that I have to fix? Just wondering can a noisy bearing be replaced in a alternator? Or is it best to replace the alternator? 93 Ranger 4. It ran smooth without any weird noises. A battery that has been discharged could be an indication that your car’s alternator bearing is broken. I noticed it gets louder the longer I drive the car in one drive. The alternator itself is charging OK but this does not mean that the bearings are OK. freeb Discussion starter. nick0789 Full Access Member. I tore down the alternator and the bearings felt like new. This was at about 45000 miles - so you've done really quite well. Failing alternator bearing, steering pump, AC compressor Unusual Noises: Listen for your unusual sounds like your whining, grinding, or rattling from your alternator area. These are the common symptoms of Bad Alternator Bearing: Electrical Components stop Working: For instance, cars with power locks and windows stop working because of lousy alternator bearings. If indeed it's the alternator bearing, pull the bearing and inspect the bearing for details. The other is a tapping/clicking type noise, which is a bad crank bearing in the engine (there's another vid of this in my post history, from before the alternator died). The belts are relatively new and are properly tensioned. Reach down to feel the bearings as you turn the alternator. The best fix is alternator bearing replacement. And front bearings I use are NTN 6203LLUC3/5K I know the brushes are expensive from Honda it’s s case of sourcing some. 2 2008 diesel It should turn w/ noise sound or vibration. Pulled the old alternator from my 90 Honda Civic Wagon. Spinning it by hand generated a noticeable bearing noise. tensioner, water pump? Q2. 1999 Accord alternator noise. Hey guys, my alternator is making some screeching noise. Those bearings are designed to help the alternator rotor spin freely without Changed the alternator today, and now the noise i gone! On the old alternator, the pulley was a bit loud when I spun it, and the shaft could move in and out a bit. I am getting a humming noise and it is noticeable with engine at idle. Step 3. My mechanic is the one who told me the Alternator Bearing or water pump - Citi Golf. Used the breaker bar as a stethoscope and noise is still near the alternator near as I can tell. Without To diagnose the issue, start by disconnecting the alternator belt and running the engine to isolate the alternator as the source of the noise. OEM alternator $454. Ran it and the sound went away, so I'm thinking a bearing in the alternator is going bad. Besides, lack of 3. he has now Began hearing the bearing failure grind noise from the right front lower area of my Tundra. Basically this post was to check if I'm missing The noise appears when i put a load on the alternator. The symptom was a rattle from the alternator area. Failing Alternator Bearings (Image/Christopher Campbell) Failing alternator bearings can produce a persistent whining or grinding noise up to the point of total failure. The new one was silent and had no in/out movement. Once in a while the noise starts 2 I've checked the Hilux repair manual and there are 2 types of alternators used either by Denso or Bosch. It is due to the vib/motion of the tdi motor at idle. It could also mean the internal parts of the alternator are failing. Dec 22, 2021 #6 OP . Yes - if the bearing is noisy, you should look at changing the alternator. The alternator is charging up to 14v with load, without load the reading is 12. So I'd probably just replace it just because. The noise is the same at idle with the AC ON or OFF and while turning the steering wheel, the noise does not get louder. If the alternator bearings are worn out and need replacing, they will make a squeaking or grinding noise. The Renault 21 GTS (90 hp baby ! ) is grinding some coffee under the hood. I had a rumbling bearing noise from my ML and traced it to the alternator. Alternator bearing noisy Thread starter tikw2124; Start date Jan 30, 2008; Tags alternator bearing noisy Jan 30, 2008 #1 T. If you hear squeaks or sounds are heard or if the bearings feel rough as the alternator is turning, the bearings could be bad. 5 liter engine these are found in Toyota Camry's Toyota Corollas Rav4 & other Toyota Feb 26, 2013 / alternator bearing and hydraulic noise on JD 750 tractor. One, give a reference to this particular noise, as it was hard to find anyone who had the issue and two, to ask if anyone has pulled one of these alternators apart to replace the bearings and have a bearing size. After looking around, it turns out the noise is coming from the alternator. Analysis of other options: A. There have been several posts in the past few months about noisy alternators. I love this vehicle and want to get it taken care of. Hi all. Like I said, it has made this noise constantly w/o change for almost 50k miles. Alternator bearing noise will sound like a high pitched squealing. worn belts: Worn belts can cause squealing or chirping noises, but these are typically higher Choose PFI Needle Bearings for alternator and starters. You could also try to replace the bearing and brushes. Once I turn off the load , the noise goes. I've googled a bit and can't find much info on the alternator in the Tig and what bearings it takes. Any thoughts? I have not seen comparable threads here, or other searching online. Alternator bearings are susceptible to wear and tear. I'm not sure what's directly underneath the alternator, however I used penetrating oil on both areas, and the noise is gone. amjd fgzy seatd ruflq stf rnxhjnq ixwi kopq dbxz uhw